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Video Turnstile User Manual

1. Insert the CD ROM labelled into the Video Turnstile into the CD drive Windows should automatically start the installation program If it doesn t run the setup exe program on the CD The software is normally installed into the c program files windmill software videoturnstile folder where c is the drive on which Windows is running Two other folders are created c videotunstile setups for details of the program settings c videoturnstile data for your data files At the end of installation the Configuration program ConfIML tuns and registers your system Click the Save button You should not need to use this program again Video Turnstile User Manual 2 1 Chapter 2 Installing Video Turnstile 2 2 Installing with an Ethernet or Wi Fi Network One way to think of a Wi fi network is as an Ethernet network without the Ethernet cables Both types of network consist of a base station or router and a network adaptor for each PC and Video Turnstile Logger on the network The procedure for installing eLVTs Ethernet or wWLVTs Wi Fi is detailed below 1 At the PC install the Device Installer from the Video Turnstile CD The Device Installer software allows you to check and change the IP addresses of your Loggers or LVTs Set the Address for the A boxed wLVT which communicates eLVT or wLVT with the PC over a Wi Fi network iii Arm yourself with the necessary information from your network manager n
2. S24 Chapter 3 Sending Instructions to the Video Turnstile Units 0 indicates that the object is smaller than the system expects an adult to be an average adult should be more than twice the minimum 2 Min Detect Oor1 person size If the object is smaller than this it may be considered a small child or other ob ject not to be counted The width of objects are only measured on the middle line 0 indicates that the object is all dark with no lighter patches and may be a shadow Summer gorg 1 indicates that the object has both light and dark areas 0 indicates that the object is not brighter than Pos Our the background which may indicate a shadow 1 indicates that the object is brighter than the background End line ne 0 indicates that the object has stopped on the commit exit reference line The object has split into two parts as it passed Split oe through the zone This may occur on the over lap if the VT unit is monitoring a wide entrance or corridor 3 12 3 Checking the Counting Accuracy Groups Proceed as for the checks on individuals but this time run the check with a number of people going through the zone fifty or a hundred for example Manually count the people and check this against the electronic count Keep a note of the direction they were going and what percentage were in wheelchairs or pushchairs or were children 1 Inthe VT Tuning screen click the Start Group Count button 2 Manu
3. 3 8 errors 6 1 7 Ethernet 2 2 3 Fault finding 6 1 7 file prefix 3 4 flashing lines 3 22 folder 2 1 3 35 freeze time 3 20 Video Turnstile User Manual gap between people 3 17 18 installation 2 1 14 length of stay 3 8 lines 3 22 live pictures 3 12 Logger Setup 3 8 logging interval 3 8 missed counts 3 10 modem 3 3 monitor 3 11 multiple entrance totals 3 30 naming the counters 3 9 NTSC 3 13 person size 3 19 pin connections 2 11 positioning the camera 2 6 programming the VT units 3 2 reference line 3 14 Review from File button 3 6 RS232 connections 2 11 3 3 RS485 connections 2 11 12 3 3 6 5 scheduling data collection 3 34 side counts 3 14 single width doorway 2 7 site 3 4 sites ini 3 6 size of counting zone 3 14 size of people 3 19 software 3 1 37 4 1 4 television 3 11 testing the system 3 23 3 26 28 time 3 9 total people 3 10 3 30 transit zone 3 14 troubleshooting 6 1 7 checking the counting accuracy 6 7 contacting the Logger 6 6 ethernet connections 6 2 missed counts 3 10 6 1 module missing 6 1 no counts 6 1 power supply problems 6 6 RS485 connections 6 5 under counting 3 27 upgrading 3 7 video format 3 13 Video Tally 5 1 VT setup tab 3 11 VTCollect 4 1 VTrealTime 4 3 VT Setup 3 2 vtupload ini 3 36 VTviewLog 4 4 waiting time 3 8 wide entrances 2 8 3 16 total people passing 3 30 Wi Fi 2 2 3 zone see counting zone Video Turnstile User Manual Index ii
4. Click the Apply to VT button or Send Settings to Module 3 Ifyou wish to set other VT units to this setting go to the Settings tab and click button 5 Copy settings to higher address numbers Note See also Double Probability Section 3 11 6 3 11 4 Changing the Length of Time a Person can Stand Still and be Counted The Video Turnstile system detects people moving through a counting zone It may be though that people enter the counting zone and then stand still If they stand still for long enough Video Turnstile will consider them to be part of the background By default a person can stand still for up to 24 seconds and still be counted You can change this to 8 16 24 30 32 or 40 seconds Use a longer time for areas where people tend to queue or linger 1 In the Settings list type into the suggested FreezeTime box 2 Click the Apply to VT button or Send Settings to Module 3 Ifyou wish to set other VT units to this setting go to the Settings tab and click button 5 Copy settings to higher address numbers 3 11 5 Adjusting for Moving between Light and Dark Areas If people going in one direction are less easily counted this is usually because of different lighting conditions on the two sides of the zone You can adjust for this 1 In the Settings list alter the ThresholdLevel To help detection against darker backgrounds reduce this by 4 Levels down to 8 are acceptable 2 Click the Apply to VT button or Send Sett
5. Shadow Score This is a probability score relating to shadow detection where 0 is definitely not a shadow and 4 is very likely a shadow If the score is greater than 0 the system tight ens detection criteria in its Suggestions list to avoid counting shadows gt MinDetect Oor1 1 indicates that the object was greater than the minimum person size and eligible for counting 0 indicates it wasn t and will not be counted Transit Time Oor1 Indicates the time the object took to pass through the zone 1 OK 0 indicates that the object passed through quickly and could possibly be a shadow All Lines Oor1 0 indicates that both reference lines in the zone have been triggered simultaneously by a single object which can indicate a shadow Make sure that the zone is large enough that a single large person does not fill it from top to bottom Alter the zone size or possibly the camera height Too Narrow Oor1 0 indicates that the object in the zone is consid ered to be too narrow to be a valid count and is likely to be a shadow If this is incorrect alter the minimum person size MinDetect Sequential Consistency Oor1 0 indicates that object s size has changed as it passed through the zone False readings from this may occur if the camera is placed to count on stairs where the person gets nearer the camera as they go up the stairs and vice versa Video Turnstile User Manual
6. Video Turnstile Software The first program you will use is called VT Setup This opens up a communication link between the logger and the PC and lets you send instructions to the Video Turnstile unit After telling the VT units what to do you can use VT Collect to gather and display data For users of VTupload version 6 44 or earlier If you are converting from an existing Video Turnstile setup run VTimport to transfer your earlier setup and data to the new version 3 1 1 Collecting Data for the First Time 1 Install the software Chapter 2 gives details 2 Run VT Setup Sections 3 2 3 17 to program the VT units 3 Run VTCollect to automatically collect people counts and perform calculations on the data Section 4 1 4 If desired run the VTrealTime and VTviewLog software to display live and historic data Section 4 2 In subsequent sessions unless you specify otherwise everything will be done automatically Video Turnstile User Manual 3 1 Chapter 3 Sending Instructions to the Video Turnstile Units 3 2 Using VT Setup to Program the VT Units With VT Setup you can e Change the settings of each counting zone position size entry points exit points and so on e Adjust settings for different situations crowds people size shadows etc e Set the interval over which the VT Logger is to save people counts number of people per hour or per half hour for example e Check counting accuracy e Schedule data collecti
7. day setting for example if the epoch time is 30 minutes but there are 24 epochs per day in VT Collect then the epochs are added together So two VT unit epochs will be combined into one VT Setup epoch Similarly if the VT unit s epoch is 120 minutes and there are 24 epochs per day in VT Collect then every other one of the 24 epochs will be 0 3 17 Closing VT Setup To use the changed set up you need to 1 Close VT Setup 2 Close any Imblkbrd device handlers that are on the Windows toolbar Video Turnstile User Manual 3 39 Chapter 4 Collecting and Displaying Counts Chapter 4 Collecting and Displaying Counts Use the VT Collect software to gather the people counts from all the Video Turnstile Loggers This runs at regular intervals It subtracts the previous count from the current count so if running hourly would show just the counts for that hour You can choose how often VT Collect is to run Once configured VT Collect runs automatically and collects the people counts from all the LVT units It saves the counts a text file You can open this file in almost any report generator or analysis software 4 1 Collecting Data You can either run VT Collect as a normal Windows application or as a Windows service A Windows service is an application that starts when Windows begins and runs in the background as long as Windows is running The data is saved in an ASCII text file in c videoturnstile data 0707 for July 200
8. for example 9 You can adjust the scale factor for counts which are constantly under or over For example if a VT count is 5 short of the actual count then set a counting scale factor of 1 05 to add 5 to the logged values Keep the offset setting at 0 as this is not used in counting applications See also Sections 3 12 3 15 on checking and correcting count accuracy 10 Click OK Continue for the rest of the counters connected to this Logging Video Turnstile unit 11 Press Accept Changes before moving on to any other Loggers in the drop down list You can also create calculated channels here These let you perform calculations on the count data and store the results in the logged data file Section 3 13 refers Video Turnstile User Manual 3 10 Chapter 3 Sending Instructions to the Video Turnstile Units 3 8 Selecting a VT Module Each non logging VT module monitors one CCTV camera and counts people going in and out It regularly passes the counts to its VT Logger which saves the counts You specify counting and camera settings counting zone position people sizes etc for individual modules rather than for the site as a whole To change a module s settings first select it in VT Setup as follows 1 Ifyou haven t yet done so in the Unit Select tab connect to a site Go to the Logger Setup tab and choose the controlling Logger Select the VT Setup tab More tabs appear oe amp Identify the VT module and choose
9. format Video Turnstile User Manual 3 34 Chapter 3 Sending Instructions to the Video Turnstile Units SITE CODE DAYddmmyy txt Where SITE CODE is the file prefix you entered page 3 7 1 The weeks directory holds the weekly totals data files for this site in the format SITE CODE WKyyyy_ww txt Where yyyy is the year ww is the number of that week between 01 and 53 O copia BYT_WK2003_46 txt data BYT_WK2003_47 txt 0 BVT B 1105 cows Video Turnstile User Manual 3 35 Chapter 3 Sending Instructions to the Video Turnstile Units 3 14 Scheduling Data Collection There are two ways to schedule data collection 1 Continually run VTCollect and schedule various times of day when it will collect data See below for details 2 Set VT Collect to run and collect data daily weekly or monthly The program subtracts the previous count from the current count so if running daily would show just the counts for that day You can also collect data at unscheduled times Click the Load All Epochs to File button from the VT Setup Counts tab 3 14 1 Continually Running VT Collect and Collecting Data Several Times a Day From the Program Setup tab select Schedules This lets you set the times of day when VT Collect will collect data from all the Video Turnstile loggers This assumes that the program is running continuously and will be available to perform data collection See Chapter 4 for details of continuo
10. line across the ceiling Each camera is attached to one Video Turnstile unit and you need to tell VT Setup which Video Turnstile units are covering the wide entrance 1 Select the VT Setup tab 2 From the Select VT tab choose one of the VT units that is monitoring a wide entrance When you do this the selected VT unit stops counting and its count lights go on When you are working with a VT unit which is not the first in the list then move to the Settings tab and click button 1 Read settings from module This may take a few moments 3 Select the Entrance tab and choose Part of a wide entrance Video Turnstile User Manual 3 16 Chapter 3 Sending Instructions to the Video Turnstile Units 4 The units monitoring a wide entrance must have consecutive addresses Choose whether your selected unit has its counting zone Left Edge linked to the unit at the next lower address or the zone Right Edge linked with the unit at the next higher address or both 5 Click the Apply to VT button or Send Settings to Module For more on positioning cameras across wide entrances see Section 2 7 3 3 11 Changing the People Detection Settings The Video Turnstile system is very flexible You configure each entrance individually optimising counting accuracy for each situation 1 Select the VT module which is monitoring your entrance as detailed in Section 3 8 2 Either click the Tune button in the Select VT tab or select the Settings ta
11. make sure each Logger has a unique address from 0 29 If some have the same address then select one of the duplicates and click the Change button 3 You can now check and change the addresses of the non logging modules connected to this Logger Select the VT Setup tab 4 The VT Setup program tries to contact VT units with addresses in the range 0 16 Those that respond are shown in the Select VT Unit list To change one of these addresses select it from the list and click the Change Address button To check you have the correct VT module click the Flash Up Down on this VT button The module s count lights will flash three times When choosing an address the physical position of the VT Unit doesn t matter unless you are monitoring wide entrances Each non logging unit has one camera attached which monitors a doorway or part of a wider entrance By identifying a unit you are also identifying its attached camera and therefore the doorway being watched With wide entrances several cameras are mounted in a row Make sure the VT units connected to these cameras have consecutive addresses A non logging unit may have the same address as the VT Logger Video Turnstile User Manual 3 7 Chapter 3 Sending Instructions to the Video Turnstile Units Remember units with address 16 will be ignored by the Logger To collect data from such a unit you must change its address to one under 16 that is not being used by any other of the Logger
12. module is ticked to show that it is connected to a video output You can view up to four video pictures at once and thus up to four monitors showing four different entrances In each rack system there is a module with four video outputs A B C and D Connect the appropriate video output to your monitor VT Setup v6 50 Unit Select VT setup Select VT E Lens size mm 29 Camera height above floor m 25 Feet 8 Check Zone setup and min and max pixel sizes before sending these settings to the YT Video Output Selection VT Units Video Output on Socket v 00 A mt Send To VT Units Connection to Site Biodata 828 Port 169 254 117 220 10001 Telephone Logger 00 VT 00 VT ver 41 Help x Lae Status Epoch Close 3 Click the Send to VT Units button Section 2 6 gives details of which leads to connect to where 3 9 2 Setting the Height of the Camera A person viewed in a camera two metres above the floor will appear around three times as large as when the camera is three metres above the floor This means that you need to set each camera s settings to suit its location Video Turnstile User Manual 3 42 Chapter 3 Sending Instructions to the Video Turnstile Units By default the system assumes a camera 3 m above the floor with a 3 6 mm lens If this is not correct then change this setting before altering other counting settings If you find that people are not being counted you could chang
13. or RS485 links enter the number of the COM port to which the Logger is connected 5 Fora modem link enter the number of the COM port to which the modem is connected Also enter the modem s dial up number Include only figures not spaces modem pause commas etc Remember to allow for additional dialling numbers such as those required for external lines 6 Click the Connect button This closes any existing communications link and opens a new one using the port or IP address specified If you cannot establish communications check the e wiring at the RS485 adaptor if using e specified COM port e Ethernet communications Section 6 3 Logger addresses Section 3 6 1 One you have created a site you can skip this step when you load the site the correct communications link will be opened 3 5 Creating a Video Turnstile Site You need to create at least one site from which to download data A site is a collection of Video Turnstile Loggers For instance you could specify a site to be all Loggers connected to one COM port or all Loggers dialled from one telephone number 1 Choose your communications link as detailed previously 2 Select the Site Setup tab Video Turnstile User Manual 3 4 Chapter 3 Sending Instructions to the Video Turnstile Units VT Setup v7 02 YT Site Setup Site Name Wellington Centre 1 i Add New Site File Prefix WELL Installation Date 24 11 2006 Honeys This ite All data in
14. see Section 6 3 1 for details Follow the steps to Request the Hardware Type Did you get back the correct reply No You need to check the setup of the Device Installer virtual COM port and the Ethernet connection 1 Use the Device Installer program to check the setup 2 Use the Search button to get a list of LVT units and any other devices on your local network 3 Ping the LVT unit to confirm that there is a network connection to it click the Ping button and enter the IP address of the LVT unit you want to check The response time for communications with a locally connected LVT unit will typically be 0 msecs Video Turnstile User Manual 6 2 Chapter 6 Fault Finding Yes Wait 10 seconds then repeat the steps to Request the Hardware Type Did you still get back the correct reply If not your LAN is probably routing your messages out to a WAN as well as to the LVT Check the GATEWAY setting with your network manager 6 3 1 Using Hyperterminal to talk to a LVT Load the Windows Hyperterminal program c program files accessories hypterterminal hypertrm exe and set up the communications as follows Connect To tab Connect using Direct to COMx where x is the port number to which your LVT is connected Configure Bits per second 9600 Data bits 8 Parity None Stop Bits 1 Flow Control None Settings tab Ascii Setup Ascii Sending Echo characters typed locally Checked others as default Asc
15. sub net to your PC You should change one or the other to get them to match See below for details ix If on clicking Search point iv the response is No network interface is available then e check the network cable is plugged into the PC ethernet port e check your LAN icon on the task bar does not show a red cross x If on clicking Search point iv the response is No Devices were found then the possibilities are e The LVT has been given a default gateway IP address and will only respond on a network where that gateway is present Try restoring the LVT to the network and running Device Installer from a PC also on that network e The LVT Ethernet circuit is not functioning correctly Contact your supplier or Biodata Ltd about service or a replacement For Wi Fi networks make sure that the Device Installer used to set the IP address is the latest version You can download this from http www videoturnstile com users program WiPort DeviceInstaller zip 2 2 1 Changing the IP Address and Sub Net Mask of an eLVT or wLVT 1 Check the existing IP address of the LVT as above If a device is found then click on the IP address to select it from the list 2 Click Assign IP and enter the new IP address and sub net mask for this LVT After completing the operations to assign the IP address the program will search again and should find the device at its new address Video Turnstile User Manual 23 Chapter 2 Installing V
16. the loggers before this date is ignored VideoTurstile Z VideoT ally Unit This site uses VideoT ally which communicates through USB Connections to Logger Units Site Connection COM port number or IP addr xxx xxx RRR xR port Modem Telephone Number Poll O OK Connection to Site None Port Telephone Logger None VT None Help Logger ver VT ver z Status Idle Epoch Close 3 Enter a meaningful name such as Oxford Branch or Bakery Line 4 This tells the user exactly which area they are dealing with so make sure you enter a clear definition 4 Insert a short prefix to identify the files from this site This alphanumeric identifier can tie together more than one site so that the data for all sites with an identical File Prefix will be collected as a single overall site As an example a school may have three sites with the names Classrooms Kitchen and Boiler House At these three locations there are loggers gathering data If the File Prefix is S1 then all logged data will be sent to the same file under directory name S1 5 You can set the date from which VT Collect will scan for data This Installation Date defaults to today s date but you can change it if you wish Video Turnstile User Manual 3 5 Chapter 3 Sending Instructions to the Video Turnstile Units 6 Choose whether you are using the Video Turnstile or Video Tally system Video Turnstile communicates over Ethernet Wi Fi RS232 RS485
17. unit swap the connection to the VT with another camera that is working 6 2 AVT Module is Missing If an VT Logger module in a group of modules suddenly disappears then the address of that module has probably been changed This may be due to an electrical transient in which case the address has probably been reset to 16 Video Turnstile User Manual 6 1 Chapter 6 Fault Finding Use VT Setup to find which module has lost its address You may need to disconnect all the LVT modules and reconnect them one at a time to identify the correct one Having found it you can use VT Setup to re enter the address of the module 1 Inthe VT Setup software go to the Logger Setup tab and select a Logger 2 Select the VT Setup tab The software searches for modules connected to this Logger and displays them in a drop down list 3 It may be that you have previously defined a module s channels but the system is unable to find the module Perhaps because the VT Logger is not able to communicate or has been reset and taken a different address In this case they will be listed in the Missing Units list Click the Retry Connection button to try and locate them 4 To change a unit s address see Section 3 6 1 If you still have missing units remove the power lead unplug the units and then reconnect one by one 6 3 You cannot get Reliable Communications with an VT Logger over Ethernet Check with Hyperterminal that you can talk to the module
18. unit which just detects Each LVT can also log a a counts from up to 15 non logging boxes VTs So for two doorways you would connect your LVT to a boxed unit which detects people but doesn t save the count Use the ribbon cable to link the two units via the large sockets on the back panels A rack based system is for larger installations monitoring many doorways Each rack holds a Logger module and up to 16 non logging modules called VTms OL 9B Foes O A Video Turnstile Rack holding a Logger and three non logging modules Video Turnstile User Manual 1 2 Chapter 1 Introduction This rest of this Manuals tells you how to e Install the Video Turnstile units cameras and software Chapter 2 e Use the VT Setup software to configure the system Chapter 3 e Use the VTCollect VTRealTime and VTViewLog software to collect and display data Chapter 4 e Use VT Tally Chapter 5 e Deal with any problems Chapter 6 Video Turnstile User Manual 1 3 Chapter 2 Installing Video Turnstile Chapter 2 Installing Video Turnstile When installing the Video Turnstile units and cameras it helps to have a television monitor or a frame grabber available This lets you check that the picture produced by the camera corresponds to our installation suggestions You will also need to use the VT Setup software to send instructions to the units This is covered in the next chapter 2 1 Installing the Video Turnstile Software
19. 7 c videoturnstile data 0807 for August 2007 etc You can change the folders it uses with the VT Setup program 4 1 1 Running VT Collect continually as a Windows service You can set VT Collect to start with Windows and run continuously in the background This lets you collect data one or more times a day 1 Goto Windows Control Panel Video Turnstile User Manual 4 1 Chapter 4 Collecting and Displaying Counts 2 Select Administrative Tools 3 Select Services 4 Scroll down the list until you see Vtcollect service Double click or right click to start and specify automatic start up 5 Should you wish to change first stop the service then use UNINSTALL Vtcollect service Data will be collected according to your schedule in VT Setup Section 3 14 We recommend using the Windows Service method if possible as this removes the possibility of someone inadvertantly closing VTCollect and you failing to collect data 4 1 2 Running VT Collect as an Application If you don t want VT Collect to run permanently in the background you can schedule it to run and collect data daily weekly or monthly You can also run it from the Start menu when necessary Vicollect v7 0 Status Running update loop Performance Epochs Processed Speed ms epoch E aD Collecting Data Daily Weekly or Monthly Use Windows Task Manager or Scheduled Tasks depending on your version of Windows to schedule automatic data col
20. C In between sections of good data values you may get sections where the date reverts to 1970 and these indicate when the Logger was reset Times when the logger was powered down The Logger will not record epochs when the power is off but the internal battery will hold the correct date time for several days so the unit will normally resume logging epochs when the power is restored Every other Epoch is 0 The VT Collect software s number of epochs per day is different to the VT hardware If you can t fix the problem then please contact your supplier for advice or see the Users area of the Video Turnstile web site at http www videoturnstile com users 3 12 6 Viewing the Updating People Counts You can see the current counts of all the Video Turnstile units 1 Select the Counts tab VT Setup contacts all the units attached to the current communication link 2 Select a Video Turnstile unit from the Unit Address list The channels are shown as UP for IN counts where a person moves from bottom to top of the picture and DOWN for OUT counts where a person moves from top to bottom of the picture Note You can also use VTrealTime to do this as detailed in the next chapter Video Turnstile User Manual 3 31 Chapter 3 Sending Instructions to the Video Turnstile Units 3 13 Performing Calculations You can perform calculations on the count data and store the results in the logged data file You can thus group data fro
21. Change one or the other to get them to match click the IP address click Assign IP and enter the new IP address and sub net mask for this eLVT 6 5 No Route to Host Error This error occurs on Ethernet systems either because there is no physical connection between a Logging unit and the PC or because there is no network enabled on your PC Check e the cabling e that the Logging unit is powered up e that the local area connection settings on your PC are correct Video Turnstile User Manual 6 4 6 6 6 7 Chapter 6 Fault Finding Ethernet drops out after a few seconds This is often due to the network having internet access Requests to eLVT units are also routed out to the internet and after a few seconds an Error 404 is returned which disrupts the messages between the PC and the eLVTs Problems Connecting RS485 Units Here are some tips on connecting LVT units using RS485 cables l Try to arrange a local RS485 connection from your PC Bring the LVT modules one by one to this local connection Use VT Setup Section 3 6 to change the address of each LVT module in turn LVT modules are sent out with default address 0 If you connect the LVT to your RS485 link and power up the LVT VT Setup should find it at address 0 You will need each LVT on an RS485 connection to have a different address Start from 1 and work up It is best to leave address 0 free so that you can add a new LVT to your system and find it while all
22. Diagonal Splitting to 1 Section 3 11 6 BlobMidSplit to 1 Section 3 11 6 For Dark Entrances reduce this setting ThresholdLevel Section 3 11 5 For Rapid Lighting Changes change these settings Doors opening for example may cause changes to the light If so consider reducing the Freeze Time Section 3 11 4 and increasing the ThresholdLevel Section 3 11 5 For People Entering at One Point then Widely Dispersing On an escalator for example people may step off at a narrow point then disperse in all directions Turn on the side exit lines Section 3 10 1 and the splitting options Diagonal Splitting and BlobMidSplit Section 3 11 6 For Cameras Mounted on Low Ceilings In this case people look very large in the picture They may seem to break up and so you should turn off Diagonal Splitting set to 0 Also turn off Double Probability and maybe BlobMidSplit Section 3 11 6 3 11 8 Copying Settings to Other Video Turnstile Units You can copy most of the settings you have specified for your first VT unit to all the other units 1 Select the VT Setup tab and go to the Settings tab The settings you have specified are displayed in a grid See Section 3 11 6 for details of these Video Turnstile User Manual 3 24 Chapter 3 Sending Instructions to the Video Turnstile Units 2 Click Button 5 Copy settings to higher address numbers The settings you enter in this screen and elsewhere are copied to all the VT units with h
23. Gates 1 to 3 and v5 It is also showing some calculated channels Sum_In Sum_Out and OCCUPANCY It s easy to use VTrealTime 1 Run the program from the Start menu or its desktop icon 2 Click Inputs to change which counters and calculated channels are displayed 3 To reset all counts to zero click the Zero Counts button This only resets the count in VTrealTime It does not affect the logged count collected by VT Collect or stored in the VT Loggers Video Turnstile User Manual 4 3 Chapter 4 Collecting and Displaying Counts 4 To change the size of display text click the Font Size arrows VTrealTime will show the incrementing counts from the Video Turnstile units 4 3 Viewing the Collection Log You can see the times that VT Collect logged data Run the VI viewLog program EE VT log file Viewer C videoturnstile data vtuploadiog_042007 txt 08 04 2007 15 50 VTcollect_v 7 00 Wellington Centre 1 OK epochs processed 27 epoch collection time 4 40 secs 08 04 2007 15 50 YTcollect_y 7 00 Granted comms control for 19 seconds 08 04 2007 15 35 VTcollect_v 7 00 Logger 0 current epoch 81 08 04 2007 15 35 VTcollect_v 7 00 Wellington Centre 1 OK epochs processed 27 epoch collection time 4 40 secs 08 04 2007 15 35 VTcollect_ 7 00 Granted comms control for 19 seconds 08 04 2007 15 20 VTcollect_v 7 00 Logger 0 current epoch 81 08 04 2007 15 20 YTcollect_v7 00 Wellington Centre 1 OK epochs processed 27 epoc
24. Video Turnstile User Manual Manual Code VT 2 04 Issue Date June 2007 Information in this document is subject to change without notice For updates see http www videoturnstile com manual html Table of Contents Table of Contents Chapter 1 Introduction 1 1 1 1 Identifying your Video Turnstile System 1 2 Chapter 2 Installing Video Turnstile 2 1 2 1 Installing the Video Turnstile Software 2 1 2 2 Installing with an Ethernet or Wi Fi Network 2 2 2 3 Installing with an RS232 Connection 2 5 2 4 Installing with an RS485 Connection 2 5 2 5 Connecting Boxed Units Together 2 6 2 6 Checking the Video Equipment 2 6 2 7 Positioning the Camera 2 6 2 8 Connections 2 11 2 9 Adding new Units or Upgrade Chips 2 14 Chapter 3 Sending Instructions to the Video Turnstile Units 3 1 3 1 Introducing the Video Turnstile Software 3 1 3 2 Using VT Setup to Program the VT Units 3 2 3 3 Starting VT Setup 3 2 3 4 Choosing Communications 3 3 3 5 Creating a Video Turnstile Site 3 4 3 6 Changing a Logger s Settings 3 6 3 7 Giving Each People Counter a Name 3 9 3 8 Selecting a VT Module 3 11 3 9 Configuring Cameras and Viewing Entrances 3 11 3 10 Positioning the Counting Zone 3 14 3 11 Changing the People Detection Settings 3 17 3 12 Checking the Accuracy of Counting 3 25 3 13 Performing Calculations 3 32 3 14 Scheduling Data Collection 3 36 3 15 Changing Default Folders 3 37 Video Turnstile Manual I Table
25. ally count at least 10 people passing through the zone You can count in one direction or both 3 Click the Analyse Group Count and enter the number that you have manually counted You ll also be asked whether they were going up or down screen if you don t know leave this blank 4 VT Setup fills in its Event Summary table and shows the percentages of single counts double counts and no counts for Up and Down directions e Based on the manual counts it shows the accuracy of the count test as a percentage e Based on the accuracy percentages the advice section suggests possible adjustments to improve accuracy Video Turnstile User Manual 3 28 Chapter 3 Sending Instructions to the Video Turnstile Units 5 To send the suggested settings to the VT unit Click the Apply to VT button or Send Settings to Module Note If you make a mistake when entering your manual counts click the Change Group Facts button 3 12 4 What to do if the System is Under or Over Counting Video Turnstile is a conservative system and by default tends to under count rather than over count During validation if you find the system is under counting then 1 Consider increasing the sensitivity of the people detection by adjusting the camera height Do this first before trying any other fixes as this controls the size of a typical person in the picture A person viewed in a camera 2 metres above the floor will appear around 3 times as large as when
26. amely e IP address for the LVT e Subnet mask e If appropriate Gateway address Connect your LVT to a network enabled PC You can use a crossover cable to make a direct connection or connect through a hub via normal UTP Ethernet cables Allow 10 seconds for the LVT to boot up Run Device Installer and click the Search button to find devices on the network The Installer should find the eLVT at its default address 169 254 117 220 If the IP address is shown in black then your LVT and PC have a full network connection on the same sub net and you should have more icons available on the menu bar Configure Upgrade Telnet Web If the IP address is shown in Red or you get a No network interface is available or No Devices were found message then see point viii and onward below Video Turnstile User Manual 2 Chapter 2 Installing Video Turnstile v You may want to change the IP address of the LVT for use on your main network You can do this by selecting an existing IP address and then clicking the Assign IP button After setting a new IP address into the device it will need to reboot This takes around 10 seconds vi Click the Update button to set other parameters vii If you are having trouble with VT Setup and VTcollect not communicating with your LVT you may want to check the Local Port and Port 1 baud rate settings viii If the e_L VT device is found but the IP address is shown in RED then the eLVT is on a different
27. apter 2 Installing Video Turnstile We normally supply cameras with a 3 6 mm focal length lens This is suitable when the distance between the floor and the camera is two to three metres However we can supply lenses for other floor to camera distances Lens Focal Length mm Floor Camera Height m 2 9 2 0 3 5 3 6 2 54 5 4 6 3 0 5 0 6 0 4 0 6 5 8 0 5 0 8 0 Mount the camera looking directly down For focal lengths other than 3 6 mm change the camera height setting in the VT Setup software Section 3 9 2 This will affect the size of the counting zone and detection parameters so do this first before positioning the camera 2 7 1 Positioning Cameras Next to Single Doors For an entrance the width of a single door consider these factors when siting the camera 1 Does the door open into the zone detected by the Video Turnstile counters If so it is important that the door does not completely cross the counting zone You therefore need to mount the camera some distance inside from the door frame This distance is typically 0 5 to 1 metre Example of zone lines in the video picture 2 The counting zone should be reasonably well illuminated so that a good video picture can be provided by the camera You should also consider the lighting changes when i The door opens This may mean additional illumination from outside areas or changes in reflected light according to door position i
28. area is used with the typical width to decide how many people the object represents 1 In the Settings list alter the MinDetect Typical Width and Typical Area You might like to start with the default settings and only make changes when you are testing the system Section 3 12 Minimum Person Width MinDetect Set the minimum person size to match the minimum size of an adult or child to be counted Ifthe minimum size is too small then small objects and animals may cause counts Ifthe minimum size is too big then children small adults or adults wearing clothes that closely match the background colour may not be counted Typical Person Width e This should be bigger than the minimum person size MinDetect Typical Area e Where the camera gives a view of a good sized area people have typical areas of 40 80 pixels e Ifthe camera is mounted on a low ceiling people will look very large in the picture and their typical areas will be bigger 2 Click the Apply to VT button or Send Settings to Module 3 Ifyou wish to set other VT units to this setting go to the Settings tab and click button 5 Copy settings to higher address numbers Note Changing the height of the camera above the floor in software will also alter the size of the person detected Between 2 and 3 metres above the floor the area of screen taken up by a 1 8 m tall person changes considerably A person viewed in a camera 2 metres above the floor will appea
29. b You can change many settings from both of these places Checking Accuracy The system also provides tools to check counting accuracy and fine tune the system This is covered in Section 3 12 If you are not sure of the setttings to choose check the counting accuracy then make any suggested changes How the System Detects People The Video Turnstile system works by detecting change against a stored background The detection software sees the counting zone as a grid 32 pixels wide and 16 pixels long An object passing through the zone is a blob of pixels Depending on your settings in VT Setup the software decides whether the blob is one person more than one person or an object like a pram or shopping trolley 3 11 1 Setting the Size of a Person There are three settings governing the size of a person in the picture the minimum width the typical width and the typical area A person will not be counted unless they exceed the minimum width The typical width is used to decide if an object is one or two people Video Turnstile User Manual 3 17 Chapter 3 Sending Instructions to the Video Turnstile Units The area of objects crossing the counting zone is continuously variable The pixel blob may be one person two people side by side one person following another a person pushing a pram etc Two people side by side would be a wide thin are Two people following one another would be a long narrow area The typical
30. ct List Advice list Setting Now Suggested MinDetect 4 Typical Width 18 MinSeparation 6 FreezeTime 24 ThresholdLevel 16 TimeoutRestore 0 Typical Area 80 Apply All to VT Add Facts Event Summary Seconds sine Exit Shadow gt Transit Counted Direction last Reset _ Line Width px Area px Score MinDetect _ Time 4 VT Tuning Go to the SelectVT tab and click the Tune button This screen helps you check the accuracy of counting 2 Click the Apply to VT button 3 Ifyou wish to set other VT units to count crowds then go to the Settings tab and click button 5 Copy settings to higher address numbers Note See also Setting the Gap Between People Section 3 11 3 Diagonal Splitting Section 3 11 6 BlobMidSplit Section 3 11 6 and Double Counting Section 3 11 6 These let you fine tune the system to count crowds 3 11 3 Setting the Gap Between People For two people walking side by side to be seen as two people by default the gap between them needs to be greater than 8 pixels You can change this to suit your situation Reducing the gap for example for crowded situations Video Turnstile User Manual 3 19 Chapter 3 Sending Instructions to the Video Turnstile Units 1 In the Settings list alter the MinSeparation entry to change the minimum gap between two people side by side Where people tend to be close together you could reduce the minimum gap by half 2
31. d unit has a 37 way D socket on its back panel Use this to connect boxed units together with a ribbon cable 2 8 6 Video Output The Video Output socket labelled Video on a boxed unit is for you to attach a television monitor You can then view the CCTV camera picture and its counting zone markers A rack based system has four Video Outputs Use VT Setup software to choose which one to use with which module 2 8 7 Power In on Boxed Units The 12 V Power In socket on a boxed Video Turnstile unit provides power enough for any linked units and cameras You only need connect a power supply to one unit 2 8 8 Busy Light The busy light is on the back panel of a boxed Logger and on the Logger module in a rack based system It comes on when the software talks to that Logger and remains on until the software talks to another Logger If you only have one Logger then the light will remain permanently on This is useful for diagnosing problems If you remove the power supply from the unit and then reconnect it the Busy light will be off If it goes on when you talk to the unit then you can see to which one you are talking and confirm that the software has found it 2 8 9 Count Up Down Lights The Up or Down lights on the VT front panel flash to show that a person has been counted 2 8 10 Meters and Alarms Meters are available to monitor occupancy or how long a person spends in a specific area If you have an external meter you will als
32. e Video Turnstile Units Edit Calculated Channels Defined Channels te Channel Details hh Channel Name Formula IN_DOOR1 IN_D00R2 Add New Calculated Channel Units visits Delete Clear Import Hardware Cancel Channels Si 6 Press the Add New button The Channel Details area appears Type a name for the channel into the Channel Name box Construct a formula for calculating the new value Double click a count channel to add it to the formula Press Accept to save the new calculated channel Repeat for as many calculated channels as you need then press OK Typically in Video Turnstile applications the formula will be a simple sum of count channels as in the example above For the formula to work count inputs need to be enclosed in square brackets This is done automatically if you double click a channel in the list More complicated formulae can be constructed if required The Operators l are supported Video Turnstile User Manual 3 33 Chapter 3 Sending Instructions to the Video Turnstile Units Formula 50 D1_OUT 10 2 5 D2_0UT 1 25 D2_OUT 6 The formula shown above involves two channels called D1_OUT and D2_OUT The order of operations is so the above formula is evaluated as 50 D1_ OUTJ 10 2 5 D2_ OUT 1 25 D2_ OUT 6 Deleting Calculated Channels To delete a calculated channel select it from the Defined Channels list and press the Del
33. e far enough apart to be distinguished as two objects If both objects are more than half the typical area they are counted as two people If one of the areas is small it is ignored If both are of an intermediate size the Diagonal Splitting factor comes into play Set to 1 to enable close following counting two people useful in crowded situations Set to 0 to disable splitting into two people counting as one person useful with cameras on low ceilings If the two areas separate by more than 3 pixels then they will be counted as two people whatever your Diagonal Splitting setting BlobMidSplit Tailgating and Crowds When two people are following one another closely it is sometimes not possible to see the gap between them This may be because the gap is bridged by shadows or perhaps a swinging arm or leg The BobMidSplit looks for this and splits them into two different areas of pixels in a similar way to Diagonal Splitting Set to 1 to enable splitting when counting crowds for instance or 0 to disable FreezeTime Background Sets the time in seconds for which the background is frozen when a person is present See Section 3 11 4 for details ThresholdLevel Background and contrast The ThresholdLevel determines the contrast required between person and background To help detection against darker backgrounds reduce the level by 4 Levels down to 8 are acceptable Section 3 11 5 DwellEnable Dwell Meter If you have purchased
34. e sub net mask is 0 any value in that part of the IP address is acceptable e No Select Use the following IP address Enter an IP address which is the same as the one shown for the eLVT in Device Installer for the first 3 parts of the IP address and a different value 0 255 for the last part Set the sub net mask to 255 255 0 0 Click OK 7 Click OK when you leave the Local Area Connection Properties to save the changes 2 3 Installing with an RS232 Connection If your Logger connects to the PC over RS232 it will R5252 have an RS232 plug with 9 pins It will be clearly gE labelled on the rack based Logger and on the back panel z of a boxed Logger LVT Use the RS232 cable provided to connect the Logger to the PC s COM port For pin connections see Section 2 8 2 Note The 9 way socket on the front of the boxed unit lets you connect to an external device Use the plug on the back panel to connect to the computer 2 4 Installing with an RS485 Connection An RS4835 plug has 9 pins It will be clearly labelled on the frame based Logger and on the back panel of a boxed Logger LVT RS4835 is suitable when the Logger is far from the computer and when several boxes or frames are on one cable You will have an RS485 output kit which includes an RS232 RS485 converter a Microlink 800 adaptor for connection to a PC 1 Plug the Microlink 800 adaptor into the PC s COM port Video Turnstile User Manual 2 5 2 Chapte
35. e the setting to a greater distance which will in effect increase the sensitivity Double counting indicates that a nearer setting would be better See also Sections 3 12 3 15 on checking and correcting count accuracy 1 Select the VT module to which the camera is connected as discussed in Section 3 8 2 Inthe VT Setup tab click the Tune button The software reads the VT module s settings which might take a few moments When you do this the selected VT unit stops counting and its count lights flash 3 Enter the correct lens size and the height of the camera above the floor VT Setup changes its other setttings counting zone position size of people etc to suit the new camera position Some of the new settings are shown in the Suggested grid You can edit these here if you wish Section 3 11 gives details 4 Click the Apply to VT button or Send Settings to Module Note You can also see the camera height and lens size in the Camera Video Out tab 3 9 3 Setting the Video Format CCIR PAL EIA or NTSC Two frame rates are used for different camera types 50 frames per second for the European CCIR or PAL for colour and 60 frames per second for EIA or NTSC for colour 1 Select the VT module to which the camera is connected as detailed in Section 3 8 2 Select the Zone tab 3 Select the TV format 4 Click the Apply to VT button or Send Settings to Module Because of the different number of lines in the pic
36. ely accurate but designed to let you see when events occurred relative to each other 4 Depending on the direction the person walked click the Analyse Single Transit Up or Analyse Single Transit Down button You are asked some questions about the person so that the system can make recommendations of settings to use Video Turnstile User Manual 3 25 Chapter 3 Sending Instructions to the Video Turnstile Units e Was the person going up screen or down screen e Were they an adult a large adult a small adult or a child This helps the software determine the expected range of person size 5 At the bottom of the screen the software shows a list of the 10 most recent events It marks in green the one it considers to be the transit of the person Other events might include shadows or a door opening This lets you see exactly what the system is detecting as a person 6 The software makes some recommendations in the Suggested column of the VT settings grid To accept these Click the Apply to VT button or Send Settings to Module You can edit the suggestions if you wish 7 After adjusting your settings send a person through the other way and repeat points 4 6 above Do this a few times for each direction sending one or two people through each time Make sure that the system is counting correctly with no double counts and that two people side by side are not counted as one 8 If people going in one direction are less easily counted t
37. eo Turnstile 2 Ideally start by temporarily fixing the cameras you will probably need to move them after viewing the overlap of their counting zones 3 The best position for the cameras is not necessarily evenly spaced across the corridor The cameras at the edge of the corridor may need to be closer to the edges of the wall than equidistant spacing might suggest 4 People going through the overlapping zones between adjacent cameras must be picked up by both cameras and be at the edge of each camera s counting zone The VT detection units tell each other of the presence of a person at the edge of the zone they are monitoring This means that the system handles a person being in the view of two cameras at once and can pick up people crossing the zone diagonally 5 The cameras must be mounted in a line across the corridor spaced so that the counting zones overlap by about 10 at each end see the figure below and the Fine Tuning Camera Placement notes Ko zone Markers VA T Traffic Flow T t The edge Camera Zone should go up to the corridor wall Adjacent Camera Zones should overlap VTL is the leftrnost VT unit The interconnecting lead is labelled with the names VTL T1 T2 and VT3 Fine Tuning Camera Placement in Corridors To optimise the overlap between the zones from adjacent cameras follow these steps Video Turnstile User Manual 2 9 Chapter 2 Installing Video Turnstile 1 Connect the Video outp
38. ete button If you are part way through creating a new channel and have not yet pressed the Accept button you can just press the Cancel button The Clear button removes the formula leaving you with a blank box but does not remove the channel Saving Calculated Channels When you have created as many calculated channels as you need press OK VT Setup updates the calculated channels file If no file yet exists it will ask you to give the new file a name Turning Off Calculations If you wish to temporarily turn off calculations but don t wish to delete all the ones you have entered you can do so Select the Program Setup tab If the Additional Reports box is not ticked your calculated channel settings will be ignored When the Additional Reports box is ticked daily and weekly totals are created according to your calculated channel definitions The Results of the Calculation When a complete set of data for a particular day has been read from the VT loggers the calculated channels file is processed and the calculation results appended to the file Weekly files containing the daily totals are also prepared Depending on your default folder Section 3 15 the final directory structure will be something like this c videoturnstile data site code mmyy c videoturnstile data site code weeks The mmyy directory is named according to the month and year for example 1105 for November 2005 It holds the raw data files in the
39. h collection time 4 40 secs 08 04 2007 15 20 VTcollect_ 7 00 Granted comms control for 19 seconds 08 04 2007 15 05 VTcollect_v 7 00 Logger 0 current epoch 81 08 04 2007 15 05 YTcollect_v7 00 Wellington Centre 1 OK epochs processed 27 epoch collection time 4 41 secs 08 04 2007 15 05 VTcollect_v 7 00 Granted comms control for 19 seconds 08 04 2007 14 50 VTcollect_v 7 00 Logger 0 current epoch 80 08 04 2007 14 50 YTcollect_y7 00 Wellington Centre 1 OK epochs processed 26 epoch collection time 4 24 secs 08 04 2007 14 50 VTcollect_y 7 00 Granted comms control for 19 seconds 08 04 2007 14 35 VTcollect_v 7 00 Logger 0 current epoch 80 08 04 2007 14 35 VTcollect_y7 00 Wellington Centre 1 OK epochs processed 26 epoch collection time 4 25 secs 08 04 2007 14 35 VTcollect_y7 00 Granted comms control for 19 seconds 08 04 2007 14 20 VTcollect_y 7 00 Logger 0 current epoch 80 08 04 2007 14 20 VTcollect_y7 00 Wellington Centre 1 OK epochs processed 26 epoch collection time 4 25 secs 08 04 2007 14 20 VTcollect_v 7 00 Granted comms control for 19 seconds 08 04 2007 14 05 YTcollect_y 7 00 Logger 0 current epoch 80 Video Turnstile User Manual 4 4 Chapter 5 Using Video Tally Chapter 5 Using Video Tally You use Video Tally in much the same way as the Video Turnstile system however there are some differences Unlike Video Turnstile Video Tally connects to the PC over USB All the sections in this Manual about E
40. hapter 3 Sending Instructions to the Video Turnstile Units e Monthly Directories true sets a flag so that subdirectories created from the month and year MMYY e g 0103 will be used to save the data files If the right hand side of the expression is not true e g false or 0 or the entry is not included then monthly subdirectories will not be used e Calculated channels are enabled if reports true If a calculated channel file exists then these definitions are used Otherwise the sum of odd channels and the sum of even channels and daily totals are calculated If reports false then no calculations are performed e Windmill handler determines whether data will be made available to the other Windmill programs Logger Chart etc If windmill handler 0 then no data is provided to them You can either edit the VT Setup ini file directly in Notepad for example or use VT Setup to do so by selecting the Program Setup tab If editing directly please make a backup copy before so doing 3 16 Setting VT Collect s Epochs per Day Counts are saved in epochs If there are 24 epochs in a day then the total counts each hour are logged To change the number of epochs VT Collect logs in a day select the Program Setup tab The epoch times for each VT logging unit may be different set with the Logger Setup tab Section 3 4 7 VT Collect compares the actual epoch time with its epoch per day setting If the epoch time is shorter than the epochs per
41. he PC s COM port On a boxed Logger which communicates over RS232 the plug is on the back panel 2 8 3 RS485 Logger to Microlink 800 Adaptor When you are using RS485 connections use the Microlink 800 to connect to the computer s COM RS232 port Logger ML800 Adaptor 9 Pin Plug 6 1 1 2 2 3 3 4 5 5 Note When the flat side of the adaptor is on top and the curly side underneath pin 0 is to the left and pin 7 to the right See the photo on the next page Video Turnstile User Manual 2 11 Chapter 2 Installing Video Turnstile Microlink 800 RS485 to RS232 Adaptor Powering the Microlink 800 Adaptor You would usually use the 12 V DC plug top adaptor supplied to power the Microlink 800 In some situations if you have a local LVT unit you can use power from its power supply as follows Logger ML800 Adaptor 9 Pin Plug 5 0 V 6 9 12 V 7 Note Only connect 12 V DC wires from one logging unit All other sections of the RS485 should have 5 wire connections 2 8 4 9 Way D Socket Video out For factory test use only 5 V output For factory test use only 5 V output For factory test use only 5 V output UP12V U low for count 0V 12 V power out Not connected DOWN 12V U low for count O ONDA ALUNE Notes This socket lets you connect to external devices Video Turnstile User Manual 2 12 Chapter 2 Installing Video Turnstile 2 8 5 37 Way D Socket on Back of Boxed Units Each boxe
42. his is usually because of different lighting conditions on the two sides of the zone Try lowering the value of the ThresholdLevel to help detection against darker backgrounds Section 3 11 5 9 See the table below for help identifying the cause of poor counting You might also find the What to do if the System is Under or Over Counting Section useful 3 12 2 Identifying the Cause of Poor Counts Decoding the Event Summary Whether the person is going up or down the Direction Oor1 screen 0 is down screen and 1 is up screen Seconds since The approximate number of seconds since you last Reset clicked the Tune button Video Turnstile User Manual 3 26 Chapter 3 Sending Instructions to the Video Turnstile Units Exit Line 1 6 An object going up screen and exiting at the top reference line See Section 3 10 1 to change An object going down screen and exiting at the bottom reference line The object has disappeared without crossing the reference line and will not be counted This may be because of a shadow or a light reflection Make sure that people passing through have enough contrast throughout the zone Width 1 32 The width of an object in pixels 1 pixel is 1 32 of the zone width Compare this to the MinDetect and Typical Width values in the VT settings table and alter these if necessary Area The area a person occupies in pixels squared Check the Typical Area value is correct
43. hold the Video Turnstile programs settings You can choose which folders are to store these files We recommend using c videoturnstile setups and c videoturnstile data where c is the drive on which you installed the Video Turnstile software If you do wish to change this select the Program Setup tab VT Setup v7 02 Unit Select File locations Setup files C videotumstile setups Data files C videotumstile data Data in Monthly Directories Vv Data Tables Epochs per day 24 Data Format 0 Additional Reports Iv Database Tables Populate Database V Database directory e WWisitorT rends Lites Windmill System Source of Data for Windmill E Schedules Diagnostic Data Maximum saved diagnostic episodes 500 Save Changes Connection to Site None Part Telephone Logger None VT None Help Logger ver VT ver a Status Idle B Epoch Close Erase the current file locations and enter two new folders directories If you want to save each month s data in its own sub folder make sure the Data in Monthly Directories box is ticked The sub folders will be named according to the month and year For example Video Turnstile User Manual 337 Chapter 3 Sending Instructions to the Video Turnstile Units c videoturnstile data 0707 for July 2007 c videoturnstile data 0807 for August 2007 etc This tab also lets you Turn off calculated channels Section 6 e Specify whether data s
44. hould be made available to the other Windmill programs such as Windmill Chart not generally needed e Specify VT Setup s epochs per day Section 3 16 e Change the data format However you should leave this at 0 as this indicates integer data e Select how much diagnostic data to save e Schedule data collection e In future versions you will be able to populate a Visitor Trends database This is charting software which we offer for free Note What this dialogue is actually doing is editing the VT Setup ini file Notes on the ini file are in Section 3 15 1 below 3 15 1 The vtupload ini File The starting data in this file is VT setup directory C videoturnstile setups data directory C videoturnstile data data format 0 rem if you change readings per day then backup rem existing data files rem the first valid day in the VT logger will rem overwrite th xisting file with a rem partial set of data readings per day 24 demo 0 monthly directories tru reports false windmill handler 0 Notes on the ini File These setup and data directories are created when you install VT Setup You can change them to more suitable directories e Data format 0 is for integer data or 0 0 for one decimal place but this is not suitable for counting people e Readings per day is the number of time epochs in a 24 hour period so 24 for hourly 48 for half hourly counts etc Video Turnstile User Manual 3 38 C
45. i A person enters or leaves through the door The person may block out sources of normal illumination or reflect additional light back to the camera A shadow may also be associated with the person crossing the zone The detection unit will normally Video Turnstile User Manual 2 7 Chapter 2 Installing Video Turnstile cope with changes to ambient light levels associated with people crossing the zone 7 Zone Markers i i metres Typical camera placement for a single door entrance where the door opens into the counting zone 2 7 2 Positioning Cameras Next to Double Doors For a double width entrance mount the camera in the centre of the doorway some distance in from the line of the closed doors Consider also the previous guidance for a single door width entrance Zo Markers Typical camera placement for a double door entrance where the doors open into the counting zone 2 7 3 Positioning Cameras in Corridors and Wide Entrances For transit areas that are wider than a double doorway mount several CCTV cameras in a line across the ceiling with the field of view of each camera overlapping with its neighbours Consider also the following points 1 The counting zone should be located where people are moving along the corridor a point where people stop to talk look at exhibits advertising or route signposts is not really appropriate Video Turnstile User Manual 2 8 Chapter 2 Installing Vid
46. ideo Turnstile 2 2 2 Restoring Default Settings for Local Port and Port 1 Baud Rate 1 Click on the IP address to select one device from the list Click Configure Click the Ports tab oe Select Port 1 and click Edit Settings 5 Click the Advanced tab to get a list of all the settings e Baud Rate This is a drop down list box and you should select the 9600 value e Local Port Enter the value of 10001 e Other settings e Stop Bits 1 e Parity none e Flow Control none e Password Required default value is no e Accept Passive Connection yes e Port 2 if available is not used 6 Click OK to save port settings 7 Click OK to save configuration 2 2 3 Checking and Changing the IP Settings for your PC 1 From the start menu Select Control Panel and then Network Connections 2 Select Local Area Network 3 Select Internet Protocol 4 Select Properties Note you are strongly advised to record the existing property settings in case you need to return to them e g to restore internet access 5 For setting up the eLVT you must use a fixed IP address 6 Is Use the following IP address selected e Yes The IP address of your PC is shown as a 4 part number The sub net mask is also displayed also as a 4 part number Where the sub net value is 255 the IP address parts must match for two Video Turnstile User Manual 2 4 Chapter 2 Installing Video Turnstile network devices to be able to communicate Where th
47. igher address numbers 3 The video out settings and the names of the counters will not be copied 3 12 Checking the Accuracy of Counting Video Turnstile helps you check how accurately people are being counted in each counting zone It also makes suggestions for which settings to adjust to improve accuracy First check the accuracy for one person going through one doorway as detailed in Section 3 12 1 When you are happy with the performance check that groups of people are counted accurately Section 3 12 3 Once satisfied with the counting accuracy you can schedule the times to collect data See Section 3 14 for details 3 12 1 Checking the Counting Accuracy Individuals Send a person through the counting zone and follow the steps below to make sure that the individual is counted properly When you ve done that send the person through the other way and check again Do this for a few different people one or two at a time Finally monitor 50 or a 100 transits of one or two people 1 Connect a monitor hand held TV or frame grabber Section 3 9 2 Send a person through the counting zone Check that the individual causes one and not two counts watch the count lights on the VT or the flashing zone lines 3 From the Select VT tab click the Tune button The VT Tuning screen appears page 3 19 and the diagnostic time is set to zero The diagnostic time gives an indication of how long ago an event occurred It is not absolut
48. ii Receiving Default settings You should now be able to communicate with a module over the serial link created To request the hardware type you need to know the address of the module with which you are trying to communicate The default address for a single LVT module is 0 You can check and change the module address using the VT Setup program Using Hyperterminal to read the hardware type for a module with address x you need to type x DCO HT and press Enter the reply will be x ML825 Video Turnstile User Manual 6 3 Chapter 6 Fault Finding possibly followed by another letter e g for address 0 you send 0 DCO HT and get back 0 ML825 You will not get a reply if e There is no communications link between the PC and the LVT check the cable s e You have sent the wrong address check with VT Setup e The LVT is not powered 6 4 Connection is Forcefully Rejected Error This message might occur when your VT units are on an Ethernet network It means that either the eLVT has lost its factory settings particularly the local port and internal baud rate or that the eLVT is on a different sub net to the PC Run the Device Installer software and click the Search button to find devices on the network The Installer should find the eLVT at its default address 169 254 117 220 Check the Local Port and Port 1 Baud Rate settings If the IP address is shown in RED then the eLVT is on a different sub net to your PC
49. ings to Module 3 You may now need to compensate for wider perceived width To do this edit the Typical Width entry 4 Ifyou wish to set other VT units to this setting go to the Settings tab and click button 5 Copy settings to higher address numbers Video Turnstile User Manual 3 20 Chapter 3 Sending Instructions to the Video Turnstile Units 3 11 6 Changing other Settings The Settings screen shows the configuration of the currently selected VT unit There are 15 settings you can change here For many of these you can also use the Tune button on the VT Setup tab to make changes To change settings 1 Go to the Settings tab and click button 1 Read settings from module VT Setup v7 04 Unit Select VT setup Select VT Entrance Camera Video Out Settings Current Camera Settings Lens 36 Height m 3 2 Numeric Settings Parameter Double click on a line to edit a parameter User MinDetect editable parameters are marked with green MiS epwaion Change Zone parameters from the Zone tab teezel me and set wide entrance options from the ThresholdLevel Entrance tab BlobMidS plit DwellEnable Use Programming Options 4 to send changed parameters to the module YT Unit Programming Options 1 Read settings from module Double Probability 2 Read settings from file Shadow Rejection mm Diagonal Splitting 3 Restore default settings 4 Send settings to module 5 Copy settings to higher address numbers 6 Read diag
50. ions where people coming through a doorway have a tendency to turn sharply left or right in order to reach some particular attraction To cater for this VT can count people who cross the reference line and exit through one of the side lines In this case you need to make sure that the counting zone discussed in the previous section is slightly wider than the width of the entrance This allows a person walking on the side of an entrance to be counted as a whole person To count people turning left or right 1 Select the correct VT module Section 3 8 2 Select the Zone tab 3 Choose whether the Reference line is to be at the top or the bottom The reference line is the one which the visitor must cross to be counted 4 Click the Side Counts buttons to display side exit lines If the Reference line is at the bottom people will be counted if they enter through the bottom line and exit through the top line or the side lines The side lines won t quite reach the Reference line as a visitor must at least get into the zone before being counted For example if you were monitoring the top of an escalator then visitors would cross the bottom Reference line as they stepped off the escalator and would then fan out going forward or to either side 5 Click the Apply to VT button or Send Settings to Module 3 10 3 Counting through Wide Entrances For entrances that are wider than a double doorway you need to mount several CCTV cameras in a
51. its address in the Select VT tab 5 Check you have the correct VT module click the Flash Up Down on this VT button The module s count up down lights flash three times 6 If you are working with a VT module that is not the first in the list then the software needs to read its present settings You can do this in two ways either click the Tune button or move to the Settings tab and click button 1 Read settings from module This might take a few moments When you do this your VT module stops counting and its count lights flash 7 You are now ready to configure your module 3 9 Configuring Cameras and Viewing Entrances It helps when you are setting up the Video Turnstile system to connect the CCTV camera to a television or a frame grabber This lets you view the counting zone and verify that people are being counted correctly See Section 3 9 1 for details The height of the camera above the floor and the lens size affects the size of people in the picture See Section 3 9 2 for details of entering the correct height and lens size Make sure your video format matches that in use CCIR PAL EIA or NTSC Section 3 9 3 gives details Video Turnstile User Manual 3 11 Chapter 3 Sending Instructions to the Video Turnstile Units 3 9 1 Viewing an Entrance ona Television Monitor 1 Select the VT module to which the camera is connected as detailed in Section 3 8 2 Select the Camera Video Out tab Make sure your selected VT
52. le Units 9 Use the Channels tab to name the individual people counters Section 3 7 10 Use the VT Setup tab to check the counting accuracy Section 3 12 11 Schedule data collection with the Program Setup tab Section 3 14 3 4 Choosing Communications The first time you use VT Setup follow these steps 1 Choose the Unit Select tab VT Setup v6 5 ama Unit Select r Existing Sites il RS232 485 or modem r Ethernet IP address z Connect to site Port Select a site from the list or enter a communications link and click Connect to site or Connect to establish a communications link Review from File Connect Click Review from File if no hardware is attached and you want to edit sites or channel details Connection to Site None Port Telephone Logger None VT None VT ver J Hel non Status dle Epoch VT Setup has a row of tabs across the top These take you to screens which let you connect to and configure your VT modules Video Turnstile User Manual 3 3 Chapter 3 Sending Instructions to the Video Turnstile Units 2 Select how the Video Turnstile Loggers are connected to the PC by an Ethernet link or by a serial link RS232 RS485 or modem For Wi Fi networks select Ethernet 3 For Ethernet and Wi Fi links enter the IP address and Port The default IP address is 169 254 117 220 For more on IP addresses see Chapter 2 4 For RS232
53. lection For example in Windows 98 you will find Scheduled Tasks in Start gt Programs gt Accessories gt System Tools gt Scheduled Tasks Look for the VT Collect program and click the Next button Choose whether to collect data daily weekly or monthly Select the time for collection Set VTCollect to run once then close after 23 hours This Video Turnstile User Manual 4 2 Chapter 4 Collecting and Displaying Counts means that if the computer crashes then VTCollect will restart when you restart Windows The command to initiate a download is the path of the VT Collect application vtcollect exe For example C Program Files Windmill Software Videoturnstile vtcollect exe 4 2 Viewing Live Counts Use VTrealTime to check that the VT logging unit is collecting count data from all its connected VT units A VT Logging unit stores counts from itself and up to three other non logging VT units VTrealTime shows a live display of each count so when a person goes through one of your entrances the program shows the updated total It doesn t however save any data VTIrealTime v7 0 File Inputs Gatel_IN 64180 Gatel_OUT Gate2_IN 65401 Gate2_OUT Gate3_IN 65406 Gate3_OQUT yO_IN 0 y S_OUT OCCUPANCY 162 Sum_IN 194987 Sum OLT 194825 VTrealTime Data Display Program ver 7 00 Copyright Windmill Software Ltd 2006 lt gt Font Size Zero Counts 12 te Here VTrealTime is showing the in and out counts for four entrances
54. m individual VT counters For example if you have several cameras monitoring the width of a corridor you can add together the up corridor counters for the total people entering and the down corridor counters for total people leaving You could also combine the people going in through several entrances to get the total visitors to a store When you haven t defined any calculations the stored data file might look like this Windmill VT Collect File opened at 00 00 00 File closed at 23 59 59 Time D1_ IN D1 OUT D2_IN D2 OUT Secs counts counts counts counts 01 00 00 0 0 0 0 02 00 00 0 0 0 0 03 00 00 0 0 0 0 04 00 00 0 0 0 0 05 00 00 0 0 0 0 06 00 00 0 0 0 0 07 00 00 0 0 0 0 08 00 00 3 1 15 0 09 00 00 52 53 il 0 10 00 00 8 7 0 0 11 00 00 12 algal 0 0 12 00 00 18 21 6 8 13 00 00 21 22 8 7 The data from each counter channel is stored in its own column VT Setup sees your calculations as more channels of data If calculating total visitors from several entrances for example you might create a calculated channel called All In which added together totals from D1_IN and D2_IN Daily and weekly totals for this channel will be calculated Note to perform calculations make sure the Additional Reports box is checked in the Program Setup tab 3 13 1 Defining Calculations 1 Select the Channels tab and click the Edit Calculated Channels button Video Turnstile User Manual 3 32 Chapter 3 Sending Instructions to th
55. me A VT Logger collects counts from up to 16 non logging modules This means that each Logger handles up to 32 counting channels 16 counting people entering and 16 counting people leaving At first the counters are called 00000 00001 00002 etc However you can rename them to something that reflects their function Front_Door for instance This helps prevent confusion about which doorway is being monitored 1 Go to the Channels tab Select a Site Select a Logger from the Logger Number list a ee Click the counter you wish to rename Video Turnstile User Manual 3 9 Chapter 3 Sending Instructions to the Video Turnstile Units Site 0 Logger 00 Channel 00 sg Channel Name l Usage I Enable for Input YT count direction Engineering Units None specified Units Counts C In Scale f1 c oe Offset 0 5 Type your new counter name into the Channel Name box Each VT unit has two counter channels one for counting entries and one for counting exits We recommend giving the two channels the same name as when you press OK the word IN or OUT will be appended to the channel name you chose 6 Make sure the Enable for Input box is checked for each counter you plan to use 7 Choose whether this counter is to count people going in or going out 8 You can rename the units of the counts Initially the values are shown as Counts but you could change this to something else Visitors
56. n and a count of people going out The VT detection modules pass their counts to a VT Logger The Logger can accept counts from up to 16 non logging detection modules At regular intervals the Video Turnstile software running on a PC collects the counts from the VT Loggers and saves them in a text file You can fine tune your system through software configuring each people counter according to its environment Video Tally Systems Video Tally systems are slightly different You won t have any VT Loggers the count is instead collected by software running on the PC every 5 minutes However you use VT Setup to configure the counting parameters in the same way For more on the similarities and differences between the two systems see Chapter 5 Using Video Tally Video Turnstile User Manual 1 1 Chapter 1 Introduction 1 1 Identifying your Video Turnstile System There are two types of Video Turnstile system one with boxed modules and one with rack mounted modules These two types of system work in a similar manner and so this Manual covers both of them The boxed modules are designed for small installations monitoring just a few doorways The simplest set up is when just one doorway is being watched In this case your boxed unit can both detect people and log counts It is thus called a Logging Video A Boxed Video Turnstile Unit Turnstile or LVT A boxed unit which detects people and logs counts is called an LVT A boxed
57. nostic data from YT Connection to Site fasads office Port 169 254 117 50 10001 Telephone Logger 00 VT o0 Logger ver 1 6 VT ver 15 1 Help e Status Epoch cose N Double click a green entry in the Numeric Settings grid ie Make selections in the dialogue box which appears and click OK 4 Click button 4 Send settings to module MinDetect Person Size Sets the minimum number of pixels to be counted as a person This can be between and 16 Typical Width Person Size The typical width is used to decide if an object is one or two people Typical Area Person Size The typical area is the space occupied on the screen by typical person in pixels squared Video Turnstile User Manual Bo Chapter 3 Sending Instructions to the Video Turnstile Units MinSeparation Person Size and Crowds The gap in pixels needed between two people walking side by side for them to be seen as two people A larger gap gives a conservative count a smaller gap is better for crowds Double Probability Person Size and Crowds Use this setting to predict whether a large is object is one or two people If people tend to walk very close together set the Double Probability to 1 to tell the software to count two people Otherwise if it is more likely to be one big person then set the Double Probability to 0 Diagonal Splitting Crowds There are times when two close together people may be regarded as one person They then mov
58. o have a special module to connect it to the system This connector can also monitor alarm conditions For example with an occupancy meter you could set an alarm signal when a certain number of people were in the building Video Turnstile User Manual 23 Chapter 2 Installing Video Turnstile 2 9 Adding new Units or Upgrade Chips When you add a new unit or upgrade chips the Loggers default to address 0 and the non logging VT units to address 16 In both cases you may need to alter the address to match your configuration If you only have one Logger in your system you can leave it at address 0 Use the VT Setup program to change addresses Section 3 6 1 VT address 16 is special The logger will only accept counts from VT addresses 0 15 16 possible units with 32 channels in and out on each unit VT address 16 is therefore not counted by the logger This means that a new unit or chip when plugged into a system cannot modify the existing data from what might be an existing VT unit in the system However you do need to change the address of any VT unit at address 16 The procedure when adding units is to add one at a time and use the VT Setup software to change the logger and VT address to the next values 0 up before trying to add another unit Video Turnstile User Manual 2 14 Chapter 3 Sending Instructions to the Video Turnstile Units Chapter 3 Sending Instructions to the Video Turnstile Units 3 1 Introducing the
59. of Contents 3 16 Setting VT Collects Epochs per Day 3 39 3 17 Closing VT Setup 3 39 Chapter 4 Collecting and Displaying Counts 4 1 4 1 Collecting Data 4 1 4 2 Viewing Live Counts 4 3 4 3 Viewing the Collection Log 4 4 Chapter 5 Using Video Tally 5 1 Chapter 6 Fault Finding 6 1 6 1 No Counts are Recorded and the Up and Down Lights on the VT Unit Flash Regularly 6 1 6 2 AVT Module is Missing 6 1 6 3 You cannot get Reliable Communications with an VT Logger over Ethernet 6 2 6 4 Connection is Forcefully Rejected Error 6 4 6 5 No Route to Host Error 6 4 6 6 Ethernet drops out after a few seconds 6 5 6 7 Problems Connecting RS485 Units 6 5 6 8 Power Supply Problems 6 6 6 9 Can the Software Contact the Logger 6 6 6 10 Checking the Counting Accuracy and Dealing with Unexpected Counts 6 7 Video Turnstile Manual Il Chapter 1 Introduction Chapter 1 Introduction The Video Turnstile system counts people entering and leaving retail outlets banks galleries museums and other premises It is designed to be easily installed and in most cases will require minimal set up procedures The system comprises one or more CCTV cameras each associated with a Video Turnstile VT detection module The VT module may be held in a rack with several other modules or it may be a boxed unit Each VT module produces two count totals one for people going up the video picture and one for people going down In other words a count of people going i
60. on 3 3 Starting VT Setup 1 Make sure your Video Turnstile units are connected and switched on From the Windows Start menu choose the Windmill 6 0 program group then select VT Setup Start with the Unit Select tab and choose the communications link between the VT Loggers and the PC Ethernet for instance For Wi Fi choose Ethernet Fill in the other sections such as IP Address See Section 3 4 for full details You can skip this step in future sessions and just connect to a site as in point 5 below Use the Site Setup tab to create a site Section 3 5 Again you can skip this step in future sessions and just connect to a site as in point 5 below Select this site in the Unit Select tab The choices you now make in VT Setup will apply to the Video Turnstile modules of this site If necessary use the Logger Setup tab to change the addresses of the logging units and the VT Setup tab to change the addresses of the non logging units Section 3 6 1 Use the Logger Setup tab to set the epoch length Section 3 6 2 This is the interval over which counts are totalled counts per hour for example Use the VT Setup tab to view the counting zone on a monitor set the height of the camera above the floor the position and size of the counting zone the video format whether wide entrances are to be monitored and so on Sections 3 10 3 3 11 8 Video Turnstile User Manual 32 Chapter 3 Sending Instructions to the Video Turnsti
61. on 3 5 For example if the file prefix is abc then the file will be in c videoturnstile data abc setupLVT LVT_ x ddmmyy wl If you have not specified a file prefix then the file will be under the direct directory c videoturnstile data direct setupLVTI LVT_ x ddmmyy wl The raw data thus saved are accumulating counts the Video Turnstile counters are not reset to 0 at the end of each epoch This allows the two logging processes one local at the VT Logger and one at VT Collect software to computer disk to proceed without interfering with each other This means that if 10 people entered during the first epoch and 6 during the second at the end of the second epoch the channel would show 16 Video Turnstile User Manual 3 30 Chapter 3 Sending Instructions to the Video Turnstile Units Things to look for in the raw data file Continuous good data The first record in the raw counts file will be the most recently recorded epoch Your data epochs should then be at one epoch length apart as you go down the file There may be times when additional epochs are recorded when the internal clock has been reset from the PC done every time after a data upload with VTcollect Times when the logger was reset If the Logger module s settings are disrupted possibly by an electrical transient or by the internal battery going flat the time in the logger reverts to 1 1 1970 and resumes from there until a new clock value is sent from the P
62. or modem 7 Ifusing Video Turnstile enter the correct COM port RS232 RS485 modem links or IP address Ethernet or Wi Fi links 8 Ifusing a modem to transfer data enter the modem s dial up number Include only figures not spaces modem pause commas etc Remember to allow for additional dialling numbers such as those required for external lines Click OK and VT Setup creates the site storing the details in a text file called sites ini Return to the Unit Select tab and your site will be shown To create another site select the Add a New Site button You can now tell the Loggers and their counting modules how to behave Return to the Unit Select tab choose one of the sites you have created and click the Connect to Site button 3 5 1 Editing Site Details without Being Connected to the Loggers If you wish you can edit the site details and some other information without the PC being connected to the Loggers 1 Inthe Unit Select tab click the Review from File button 2 You can now edit the Site details the counting channel names Section 3 12 6 and various program settings Sections 3 14 3 35 3 6 Changing a Logger s Settings A Video Turnstile Logger collects and stores counts from up to 16 non logging modules 1 To enable the software to distinguish between modules they must have a unique address of between 0 and 15 See Section 3 6 1 for details of changing addresses 2 The VT Logger stores the people c
63. ounts at regular intervals See Section 3 6 2 for details of changing the interval 3 Ifyou have purchased a Dwell Meter see Section 3 6 3 for how to change the logging interval and visit time 4 See Section 3 6 4 for how to reset the Logger s clock to the correct time Video Turnstile User Manual 3 6 Chapter 3 Sending Instructions to the Video Turnstile Units 3 6 1 Setting the Addresses of Video Turnstile Modules If you have purchased a rack of units they should be appropriately addressed and you can ignore this section If on the other hand you have bought loose items then all non logging units will be set to address 16 This is so that you can add them to any existing system without a conflict of addresses In this case though you need to use VT Setup to give them a proper address in the range 0 15 Note also that all Loggers default to address 0 following a reset whilst non logging units VTs default to address 16 A reset occurs for example if you have left the Logger off for several days and its battery has gone flat When adding modules add one at a time Use the VT Setup software to change the address to the next values 0 up before trying to add another module 1 Ifyou haven t yet done so in the Unit Select tab choose the site containing your Logger and click the Connect to site button 2 Go to the Logger Setup tab The address of the first VT Logger at this site is shown Look at the drop down list and
64. pend in an area and how often that area was visited You can choose the length of time over which to record visits and have differing logging epochs For example you could count the number of people visiting a zone every 2 seconds for the first 24 seconds then every 10 seconds for the next 2 minutes A Dwell Meter has 24 epochs split into 0 11 and 12 23 You enter an epoch length for the first 12 epochs and a multiplier for the next 12 To achieve the example given above you d enter 2 seconds as the length of epochs 1 11 and a multiplier of 5 for epochs 12 23 Video Turnstile User Manual 3 8 Chapter 3 Sending Instructions to the Video Turnstile Units 1 Select the Unit Select tab choose a site on which to work and click the Connect to site button 2 Go to the Logger Setup tab and select a Logger from the Unit Address list 3 Choose the Dwell Epochs button 4 Enter the basic epoch length and the epoch multiplier Note Also make sure that Dwell is enabled in the Settings tab Section 3 11 6 3 6 4 Updating the Logging Video Turnstile Unit s Clock To begin with the LVT s clock will probably be wrong You can adjust it in the Logger Setup tab 1 Ifyou haven t yet done so in the Unit Select tab connect to a site 2 Go to the Logger Setup tab and select a Logger from the Unit Address List 3 Click the Reset button The time and date are updated to match those of the computer 3 7 Giving Each People Counter a Na
65. r 2 Installing Video Turnstile Connect the RS485 cable to the Logger and the Microlink 800 adaptor You would usually use the 12 V DC plug top adaptor supplied to power the Microlink 800 adaptor In some situations if you have a local LVT unit you can use power from its power supply See Section 2 8 3 for details of this and pin connections You may also find Section 6 7 useful Problems Connecting RS485 Units 2 5 Connecting Boxed Units Together At the back of each boxed unit is a 37 way D socket Use the ribbon cables provided to connect the LVT to the VTs in a daisy chain LVT VT VT VT etc Each LVT can log counts from up to 15 Vts 2 6 Checking the Video Equipment 1 Connect the video out on the VT unit to the video in on the TV screen Connect the video lead between the VT unit and the camera then connect the power to the VT unit Check the lights on the VT unit come on and the up and down lights go off Tune the channel to view the audiovisual channel which is the channel used to watch the video Check the picture from the camera If more than one camera repeat to check them all Ideally also check all the VT units 2 7 Positioning the Camera First temporarily fix the cameras and check the detection zone markers on the TV screen For cameras covering two entrances which are close together make sure the zone does not overlap or people may be counted twice Video Turnstile User Manual 2 6 Ch
66. r around 3 times as large as when the camera is 3 metres above the floor 3 11 2 Counting in Crowded Situations Depending on your situation you can set a VT module to count more or less conservatively when it comes to one person following another In a very crowded situation where people are packed closely together you can set the VT to allow only a little time between people In a less crowded situation a more conservative option is better since it prevents Video Turnstile User Manual 3 18 Chapter 3 Sending Instructions to the Video Turnstile Units false detections of shopping trolleys and the like The system defaults to the conservative option to change this to crowd counting follow these steps 1 In the Settings list set the TimeoutRestore value to 1 This enables close following If you expect shopping trolleys or lots of children s buggies leave the TimeoutRestore value at 0 VT tuning Zone Details m ft Before tuning this VT Set the camera height and lens Camera Height 32 size from the camera tab Then set the zone dimensions to match the counting area in the F Count Small Children I Crowding expected picture A Camera Lens mm 36 x Then select from the options on the right F Trolleys Buggies in use IF Standing in zone Tuning Options Analyse Single Transit Up Analyse Single Transit Down Help Start Group Count Analyse Group Count cose Current Epoch Facts Suggestions VT settings Fa
67. r module the module s busy light comes on It remains on until the software talks to another Logger The busy light is on the back panel of a boxed Logger and on the Logger module s front panel in a rack based system If you only have one Logger then the light will remain permanently on The busy light is useful for diagnosing problems If you remove the power supply from the unit and then reconnect it the busy light will be off If it goes on when you talk to the unit then you can see to which one you are talking and confirm that the software has found it Video Turnstile User Manual 6 6 Chapter 6 Fault Finding 6 10 Checking the Counting Accuracy and Dealing with Unexpected Counts Use the VT Setup software to check counts and adjust the system accordingly See Sections 3 12 3 12 5 for details Video Turnstile User Manual 6 7 Index Index accuracy 3 23 3 25 28 addressing VT units 3 7 BlobMidSplit 3 22 calculated channels 3 30 31 camera connections 2 6 2 11 camera height 2 7 3 12 camera positioning 2 6 2 8 10 3 12 camera type 3 13 CCIR 3 13 clock 3 8 9 communications 3 3 ConfIML 2 1 Connect to Site 3 6 connections 2 11 12 3 3 6 5 copying settings 3 23 corridor 2 8 10 3 16 total people passing 3 30 counting lines 3 22 counting zone 2 7 8 2 10 3 16 crowds 3 17 18 detection zone 3 14 directory see folder distance between people 3 17 18 double width door way 2 8 dwell meter 3 8 3 22 EIA 3 13 epoch
68. s to be counted for example the line of a doorway or the start of a stairway Video Turnstile User Manual 3 14 Chapter 3 Sending Instructions to the Video Turnstile Units VT Setup v6 50 VT setup Select YT Transit Zone Reference line at top lt Zone position shown here is for indication only check with a monitor SIDE COUNTS Reference line at bottom TY format PAL CCIR C NTSC EIA Apply to VT Connection to Site Biodata 828 Port 169 254 117 220 10001 Telephone oO i S SCS Logger 00 VT oo VI ver MI Hel i coon 4 Use the Move and Resize buttons to change the size and position of the counting zone Check that e The markers cover the full width of the region where people transit The general direction of movement is up and down the screen on the video from the VT module The lines are far enough apart so that people do not cover both markers simultaneously Red and green lines show the size of a person 5 Click the Side Counts buttons to display the side exit lines See the next section for details 6 Click the Apply to VT button or Send Settings to Module 7 To find out the actual width of the zone in metres or feet go to the SelectVT tab and click the Tune button Video Turnstile User Manual 3 15 Chapter 3 Sending Instructions to the Video Turnstile Units 3 10 2 Turning Left or Right after Entering There are many situat
69. s units 3 6 2 Changing the Length of the Logging Epoch The VT Logger saves its people counts at regular intervals every hour or every day for example This interval is called an epoch A Logger can store 900 epochs of data before the oldest readings are overwritten To set the duration of the logging epoch 1 Ifyou haven t yet done so in the Unit Select tab choose the site containing your Logger and click the Connect to site button 2 Go to the Logger Setup tab and select a Logger from the Unit Address list 3 Type your logging interval into the Epoch Length box and click the Change button 4 Update the clock by pressing the Reset button This ensures that the number of seconds to the end of the epoch is calculated correctly shown as the Time to next value The counters recording exits will have even epoch numbers and the counters recording entries odd epoch numbers Note If you wish you can set different epoch lengths for each logging unit However the VT Collect software will collect the same number of epochs per day from each unit This means that if you set VT Collect to log hourly counts but some units are set to log counts each half hour then the half hours are added together If units are logging counts every two hours but VT Setup is logging counts each hour then VT Collect will show every other hour s count to be 0 3 6 3 Changing Dwell Meter Settings The optional Dwell Meter records how long people s
70. the Dwell Meter select 1 to enable it Otherwise leave the setting at 0 Video Turnstile User Manual 3 22 Chapter 3 Sending Instructions to the Video Turnstile Units Shadow Rejection If you think the software counting shadows then set the Shadow Rejection to 1 When you test the accuracy of the system as in Section 3 12 it will tell you if it thinks shadows are causing a problem Display Type Zone Display When recording enter 136 to show flashing lines on the picture whenever anyone is counted Enter 8 to hide the flashing lines Video Out Set to 1 to turn the video out signal on and 0 to turn it off Zone Lines Zone Display Set to 1 to hide the zone marker lines on the television and 0 to show them Flash Lines Set to 1 to show flashing lines on the television whenever anyone is counted Set to 0 to hide the flashing lines Video Turnstile User Manual 3 23 Chapter 3 Sending Instructions to the Video Turnstile Units 3 11 7 Settings Summary For Crowded Situations consider changing these settings Timeout Restore to 1 Section 3 11 2 MinSeparation to 3 Section 3 11 3 Diagonal Splitting to 1 Section 3 11 6 BlobMidSplit to 1 Section 3 11 6 Double Probability to 1 Section 3 11 6 For Person Size change these settings MinDetect Section 3 11 1 Typical Width Section 3 11 1 Typical Area Section 3 11 1 For Queuing and Waiting change these settings Lengthen the FreezeTime Section 3 11 4
71. the camera is 3 metres above the floor If you find two people walking side by side are being counted as one check the minimum gap between people MinSeparation settting Section 3 11 3 If you find small people are not being counted decrease the minimum width that is detected as a person MinDetect setting Section 3 11 1 If you find large people are not being counted increase the Typical Area or Typical Width Section 3 11 1 If you find that crowds of people are not being counted correctly adjust the TimeoutRestore Section 3 11 2 Double Probability BlobMidSplit and Diagonal Splitting settings Section 3 11 6 If a person pushing a pram for example is being counted as two people adjust the TimeoutRestore setting Section 3 11 2 If you find that people are leaving the counting zone without being counted adjust the turn left and right settings Section 3 10 2 or whether the person is going up or down screen Section 3 12 If a person stays inside the zone and is therefore not counted lengthen the freeze time Section 3 11 4 If you find poor counting from dark to light areas or delayed count registration from light to dark reduce the Threshold_limit by 4 Section 3 11 5 Do not decrease by more than 1 step because it will become more sensitive to artefacts You may now need to compensate for wider perceived width of a person Video Turnstile User Manual 3 29 Chapter 3 Sending Instructions to the Video T
72. the others remain connected If you do not arrange a local connection check each LVT in turn That is go to the nearest LVT to the PC with only a single section of cable between the PC and LVT and disconnect the rest of the LVTs Check the continuity of the cable by twisting the Tx and Tx and the Rx and Rx wires at one end of the cable section and using a multimeter to check continuity at the other RS485 cable section RS485 cable section Screw terminal block 5 way Keep this length short 10 cm max 9 way plug Video Turnstile User Manual 6 5 Chapter 6 Fault Finding You can then check continuity of a new length of RS485 cable and attach it to the 5 way screw terminal block 4 RS485 cable should be 2 twisted pairs screen Use 1 pair for Tx pair 1 pair for Rx pair and screen for signal ground 6 8 Power Supply Problems The plug top power supplies for boxed units supply 12 VDC 1 25 A For rack systems the power module supplies 12 VDC 5 A You can check power supplies by 1 Using a multi meter Check the voltage at the 2 1 mm in line socket output from the power supply You can remove the Rack system power supply module to do this check 2 Swapping Supplies If you have more than one plug top supply try swapping two over The problem should move with the supply unit If not you may have a problem with the VT unit itself 6 9 Can the Software Contact the Logger When the software talks to a Logge
73. thernet Wi Fi RS232 and RS485 therefore don t apply You use the VT Setup software to configure the counting zone much as described for Video Turnstile The Video Tally system though has no Logger units You won t therefore see the Logger tab in VT Setup Another difference in VT Setup is that the VT tab becomes the Video Tally tab Every 5 minutes the VTTally software collects counts and updates the data file so there is no need to schedule data collection as described for Video Turnstile You can run the VTTally software as a Windows Service or as a Windows application as described for the VTCollect software in Chapter 4 We recommend using the Windows Service method if possible as this removes the possibility of someone inadvertantly closing VTTally and you failing to collect data Video Turnstile User Manual 5 1 Chapter 6 Fault Finding Chapter 6 Fault Finding Here are the solutions to potential problems with the Video Turnstile system 6 1 No Counts are Recorded and the Up and Down Lights on the VT Unit Flash Regularly This indicates that there is no video signal going into the Video Turnstile unit Although the lights flash briefly the counts are not incremented You need to determine why there is no video signal 1 Check the cable connections between the VT unit and the camera 2 Check with a multi meter that 12 V DC is available at the camera end of the cable 3 Ifyou have more than one LVT or VT
74. ture for the two formats the counting zone size will change when a different format is selected If you have previously set the position and size of the zone the size of people the following on settings etc you will now need to adjust them Video Turnstile User Manual 3 13 Chapter 3 Sending Instructions to the Video Turnstile Units 3 10 Positioning the Counting Zone You configure the counting zone of each entrance individually You can set the size of the zone and where people enter and exit 3 10 1 Positioning the Counting Zone When changing the position and size of the counting zone you might like to connect the VT module to a TV Monitor so you can see the exact location of the zone Section 3 9 If you need to change the camera height and video format before adjusting the counting zone This table shows the default zone widths for different lenses and camera heights You can change these by up to 25 soe 2 9mm 3 6 mm 4 6mm 6 0 mm 8 0 mm Height 2m 1 66 m 2 5m 2 07m 1 67m 3m 2 48m 2 00 m 1 57m 3 5m 2 90 m 2 33 m 1 83 m 4m 2 67m 2 09 m 1 60 m 4 5m 3 00 m 2 35 m 1 80 m 5m 2 61m 2 00 m 1 50 m 5 5 m 2 20 m 1 65 m 6m 2 40 m 1 80 m 6 5 m 2 60 m 1 95 m 7m 2 10m 7 5m 2 25 m 8m 2 40 m 1 Select the correct VT module as detailed in Section 3 8 2 Select the Zone tab 3 Choose whether the Reference line is to be at the top or the bottom The reference line is the one which the visitor must cros
75. urnstile Units 10 If you have checked the counting accuracy and tried the preceding steps and the count remains inaccurate you can scale the count up or down Go to the Channels tab and enter an appropriate scale factor If it consistently misses 5 of people for example you can compensate for this by entering a scale factor of 1 05 to the nearest 2 decimal places 3 12 5 Unexpected Counts Checking the Raw Count Data When you are using VTCollect to download counts you might at times find it useful to see the raw data This can provide useful clues about problems to do with unexpected counts or folders found in the data directories and their files You can collect the raw counts from all the VT Loggers attached to the selected site The counts from all epochs for all channels will be stored in an ASCII text file You wouldn t normally use this method to download data but it is sometimes useful when setting up the system Getting the raw count data 1 Go to the Counts tab 2 Click the Log all data epochs to file button The data will be uploaded from the Logger to the file shown in the box beside the button The data file is given the name setpLVT LVT_ x ddmmyy wl where x is the number of the LVT unit and ddmmvyy is today s date The name is shown in the File Name box This is for information only you can t edit the name there The file is stored in the site directory according to the site s file prefix as set in Secti
76. usly running VT Collect as an application or Windows service When deciding the time of day to start VT Collect and download data consider these factors Epoch length With hourly epochs Section 3 4 7 37 days of data would be stored before the first was overwritten With epochs of 15 minutes only 9 days of data would be stored e Patterns of use of the host computer If the host PC is being used during working hours as a user s main PC the schedule for download should be set to a time during lunch time or evening when the PC is not in use This is especially important when large numbers of sites are used which will mean longer periods of potentially slow PC performance Telephone line use If a telephone line being used for dialling a logger then favour the scheduling of downloads when the line is less likely to be used for voice calls e Likelihood of communications failures When using telephone lines when voice calls may also be made ensure that the scheduled task repeat is sympathetic to this and repeat a dial out more frequently than would otherwise be necessary e Network traffic If TCP IP network is being used it is good practice to favour times of low network traffic for data transfers Video Turnstile User Manual 3 36 Chapter 3 Sending Instructions to the Video Turnstile Units 3 15 Changing Default Folders When you use Video Turnstile you will create two types of files those which hold data and those which
77. ut from the leftmost VT unit to a TV so that you can see the camera image and the counting zone markers Use the VT Setup software to adjust the counting zone edges 2 Mark the edges of the counting zone on the floor using something easily removable like masking tape A T shaped piece of tape to show the end and direction of the line is useful 3 Connect the output of the adjacent camera and its VT unit to the TV 4 Position the second camera so that its counting zone markers are on top of those of the first camera with an overlap of roughly a third of a metre Use the VT Setup software to adjust the size and position of the counting zone 5 Repeat for the other cameras Valking line to edge of zone a Camera Edge of walking line The ends of the zone lines from the two cameras should be on top of one another so the counting zones are level and overlapping 6 Use the VT Setup software to set up counting across wide entrances Section 3 10 3 7 Check that someone following the walking line is detected only once Video Turnstile User Manual 2 10 Chapter 2 Installing Video Turnstile 2 8 Connections 2 8 1 Camera Sockets Power Out Jack Socket Inner 12 V Outer OV Camera Phono Socket 2 8 2 9 Way D Plug Pin Out on Logger RS232 RS485 1 Transmit 2 Receive Data Receive 3 Transmit Data Receive 4 5 OV OV 6 Transmit 7 8 9 12V 12V Notes This is to connect a serial Logger to t

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