Digitiser - Siliconcoach
Contents
1. 74 Compress Trim Progress Trimming a movie 1 Click on the movie file from the file list in the Capture Screen this will highlight the movie 2 Click the Trim button trim 3 Inthe Source section it will display the file path of the selected movie file 4 Double click on the Set Destination button to bring up the save dialogue and select the directory where you like the file to be saved and the filename 5 Select a suitable compression option 6 Move the slider to view the beginning point where you want to trim from and click In 7 Move the slider again to view the end point where you want to trim to and press Out powered by siliconcoach Page 40 Chapter 4 Video Capture Note You can use the mouse to slide the arrow on the bar or shift it with the arrow keys on the keyboard to the point that you want the movie to start or finish The numbers under the slider are the frame numbers of the In point current point and Out point 8 Then Press Trim in the Compress section to Trim and or Recompress the movie according to the settings you have made 9 After the compression finishes a dialog will pop up and provide you with the option to view the file in the Media Player Click Yes to view it or click No to exit powered by siliconcoach Page 41 Chapter 5 Collecting Quality Video Footage Overview Introduction If a picture is worth2. The shutter speeds on a video camera can be manually controlled depending on the activity being videotaped On many cameras you select a picture that represents a shutter speed for example an icon of a runner or a golfer in the case of Sony cameras As the shutter speed increases less light is allowed to reach the videotape causing the image to become darker Therefore you need to ensure that you have good lighting if you intend to video at high shutter speeds Note gt These settings are required for digital video cameras as well powered by siliconcoach Page 43 Chapter 5 Collecting Quality Video Footage Filming checklist Before filming Check the following From which angle will the event s of interest be best captured Remember that the plane of movement will need to be perpendicular to the camera if you intend to make measurements from the movie Is the sun or light going to cast shadows on the event being captured Lighting should be from behind the camera side towards the event Will the lighting cause reflections that will affect the image being captured This includes reflections off walls or water as well as off the object person being videotaped Is the camera positioned on a tripod to reduce vibrations Will the whole event be captured without panning the camera Panning introduces errors that will make any measurements of speed or distance over a time period inaccurate Is the c
3. Digitiser powered by siliconcoach Table of Contents Chapter 1 Introduction l KEN e ea Gm e Gl E m ii 3 General nk DR DEAR YO A AR EA MA 4 e noraa an ei aa AN EEEa a R ET NEEE EER 5 Software installation GAY mawenseate 6 Software De lst RR e RR AR Re PR lk as eae 7 Chapter 2 The Stick Figure Builder 9 e A A A Ne ree eee ee 9 Opening the Stick Figure Builder eee a i di eri lamas s nd m kand salla 10 Cr ating Stick TIS UCC endeksli irienna area a aas aride raS 11 Selecting the number of marker points viececcsssceicsusnaiecatiadesussibeatuaninerasadeangelacmaanuns 12 Positioning marker points PE EEE A RA A 13 Makingconnectionsbetweenmarkerpoints 15 Naming The Marker ONS sand imi sl oka a E Eaa ERRER KE 17 Printing stick figures eee ileye ike Ayini laa alda dayad m 18 Saving stick NR RR RR RENEE EY MR 19 Capture image of stick figures cinsssnccendasussnassncdensensdvcnabtacaausndeadsensanccaniianicusbianeuaniiecs 20 Chapter 3 Digitising Data 21 OVERVIEW E E e 21 Create an w digitis d data fil ssirsisiosiissniiiisiessiiiasiii resia 22 Digitising 2 ER R E RE 23 On screen PT hh RK EM A AR ER ewe 24 COB AIS o ordinat ACA EA E KA SAN A E 23 Correctinggmistakesinadigitiseddatafile 26 b A PR RA ERa 27 S118 0 me Le ER ANE ER RK SR e e ee 28 Viewing the digitised data tables iciiiccssvisnccssssssacesasiaesesaisiccarsesnceensentdcseis soccrasen
4. powered by siliconcoach Page 18 Chapter 2 The Stick Figure Builder Saving stick figures Introduction Once you have made a stick figure you will want to save it into a location on the hard drive where you can easily find it again It is a good idea to have one folder that contains all your stick figures located in the siliconCOACH Digitiser folder To save a stick figure 1 From the File menu select Save 2 Locate the folder in which you wish to store the stick figure 3 Enter the filename 4 Click Save bi Save Note gt The stick figure will be lost if you do not save it to a file powered by s l concoach Page 19 Chapter 2 The Stick Figure Builder Capture image of stick figures Introduction Once you have created a stick figure you may wish to save an image of the stick figure Saving the stick figure image 1 Click on the Snapshot button Snapshot 2 Enter the name of the image 3 Click Save Note gt The default folder for the images is C My Documents powered by siliconcoach Page 20 Chapter 3 Digitising Data Overview Introduction A digitised data file ddf is a file that contains co ordinate data about points that you have digitised The co ordinate data is measured in relation to the bottom left corner of the screen which is point 0 0 Also contained within the file is the stick figure that was used as a basis for the digitisation the scale if it
5. biomechanical analysis powered by siliconcoach Page 1 Other siliconcoach video analysis products include siliconcoach Pro Premier video analysis software siliconcoach Pro Server Server version of the premier video analysis software siliconcoach Pro siliconcoach timeWARP Instant video feedback siliconcoach Student Cost effective video analysis software for teaching environments siliconcoach Central Web based database for centralization of data and reports Technique Wizards Electronic check list to guide and standardize discrete movement analysis For more details on these or other siliconcoach products visit www siliconcoach com powered by siliconcoach Page 2 Overview Introduction siliconCOACH Digitiser provides you with the tools that let you retrieve point co ordinate data from a windows movie file AVI This data can then be used to help you analyse the skill of interest siliconCOACH Digitiser is also ideal for teaching students the principles of 2D analysis How it works First off you ll capture some video footage of your subject using the built in capture facility Then you define an appropriate stick figure Next you digitise the co ordinate data The resulting data can be exported in the file format known as comma separated values csv You ll find that siliconCOACH Digitiser provides you with all the tools you need for gathering accurate co ordinate data from the move
6. name and auto increment number Directory and Allow you to manage your file and provide right File lists click features powered by siliconcoach Page 35 Chapter 4 Video Capture Setting up for video capture Introduction The Settings Screen provides you with instructions for setting up your video capture and ensuring it is properly configured The Settings Screen To open the Settings Screen click on the Settings tab at the left of the Capture Screen The Settings Screen will appear as follows Capture B Desktop H B My Documents El 9 My Computer Bg 3 Floppy 4 B lt Local Disk C BA i Program Files SCDigitiser6 Digitised Date G cricket digitiser avi A golf digitiser avi G Serve avi Stick Figures w Video Devices y Other gt 7 e ip Video Frame rate T Capture time limit s fs A be Microsoft DY Camera and YCR WDM Default Apply B nie a Size Sub type Analog Video Standard rae ied review starte z g default x default z B Audio Devices Device Settings 0 Budo w ia AC S Audio WAVE x M Capture audio Format default x IV Mute audio continued on next page powered by siliconcoach Page 36 Chapter 4 Video Capture Configurations The following configurations are on the Settings tab in almost all cases sensible defaults have been chosen for you and yo
7. and unavailable depending on the type of video card you have In these cases the manufacturer or operating system will automatically have selected a default setting which you have to use powered by siliconcoach Page 37 Capturing Chapter 4 Video Capture videos How to capture videos l 2 Connect your camera to your PC and turn the camera on Click on the Video Capture button in the Function Tab to open the Capture Screen In the File name section type in a name for the movie clip that you are about to capture We provide three convenient ways to let you name your movies these are by Date Name and Auto increment numbers Use the Directory and Folder list to specify the folder where you want to save the file If you want to create a new folder you can m Right click the folder list m Create a folder by selecting New Folder from the right click menu a Name the folder a Return to the Capture Screen If you are using an analogue camera start playing the tape and click on the Start button to start the capture If you are capturing via Firewire IEEE 1394 clicking on the Start button will automatically play the camera Click on the Stop button when you have captured the desired movie sequence Capture loj x B Desktop 2 My Documents G cricket digitiser avi EB My Computer G golf digitiser avi B 3 Floppy 4 G Serve avi E lt Local Disk C H E Program Files E gt SCDigitis
8. process is as follows and requires you to either be connected to the internet or have internet access in order to send and receive your registration 1 When you first run the software you are presented with a registration wizard 2 Select the Register option and click Next 3 Enter the serial number you received with your siliconCOACH CD and click Next 4 Fill out the contact details and click Next If you are connected to the internet then a Select the Web registration radio button b Click Next c siliconCOACH will attempt to connect to the registration server and register the software immediately d Ifthe web fails then i Click on the Back button ii Select the Email registration radio button ii Click Next iv Click the Email Registration button v siliconCOACH will attempt to send an email to the registration server and register the software vi If this process is successful then you will receive an email reply Go to step 7 6 Ifyou are not connected to the internet or Step 5 has failed then a Select the Email registration radio button b Click Next c Click the Save To File button A Save File dialog box will open and prompt you to save the registration file d Save the file and then copy it to another PC that can connect to the powered by siliconcoach Page 7 e Chapter 1 Introducing you to siliconCOACH internet and send it to register siliconcoach com If this process is successful th
9. the number of marker points Introduction The first stage of creating a stick figure is to select the number of points that you require To select the number of points Click on the Markers button Th Markers A number of sequentially numbered blue points will appear on screen in the top left of the stick figure layout panel Numbers relating to the points will appear in column one of the table at the bottom of the screen Select Markers x Please enter the number of markers to use powered by siliconcoach Page 12 Chapter 2 The Stick Figure Builder Positioning marker points Select a model from the pictures on the right of the screen that most closely resembles the stick figure you wish to create To make your selection click on the model Clothed Quadriped Skeleton Colour This picture will be relocated to the marker layout area Using the posing model as a reference position the markers on the anatomical points of interest To position the markers 1 Click and hold the left mouse button down 1 Drag the marker to the desired position 2 Release the mouse button By default the Stick Figure builder is in Move mode If you have preformed another task such as Connecting the markers and then want to go back and move a marker you will have to click the Move button Move powered by siliconcoach Page 13 Chapter 2 The Stick Figure Builder Note F
10. was calculated the path to the movie that was digitised and other relevant information The path name of the movie is recorded in relation to its position to the ddf file If the need arises to move the files both the ddf file and the movie files should be moved together Gaining point co ordinate data from a movie is a relatively straight forward process Topics This chapter contains the following sections Creating a new digitised data file 22 Digitising the data file 23 Obtaining co ordinate data 25 Printing digitised data 31 Saving digitised data 32 Opening an existing digitised data file 33 powered by siliconcoach Page 21 Chapter 3 Digitising Data Create a new digitised data file 1 2 From the File menu select New Locate the folder which contains the movie you want to digitise avi Select the movie and click Open Locate the folder which contains the stick figure you want to use sf Select the stick figure file and click Open powered by siliconcoach Page 22 Chapter 3 Digitising Data Digitising the data file Overview Introduction The process of using a stick figure as the basis for digitising a movie results in the production of a digitised data file This file contains the co ordinates of the digitised points and how they relate to the stick figure Topics This section contains the following topics On screen inf
11. a thousand words how much is a video worth If you are going to videotape an athlete so that you can help them improve their performance it is important that you get the highest quality video available Topics This chapter contains the following sections Video Camera Features 43 Filming Checklist 44 powered by siliconcoach Page 42 Chapter 5 Collecting Quality Video Footage Video camera features Overview Introduction You do not necessarily have to buy expensive equipment but you need to use what you have to your best advantage To do this you need to have a general idea about what features on your video camera are important The items listed in this section are the main features of a video camera which are of specific interest in video taping for Digitiser analysis Focus controls Most cameras have an auto focus capability This means the camera will automatically focus itself In many sporting set ups it is recommended that you use the manual focus because it prevents the camera focusing on an unwanted object in the background or foreground as the subject moves As a rule of thumb use the manual focus whenever possible Shutter settings The shutter controls the period of time that the videotape is exposed to the image If the image is moving at high speeds then a low shutter speed 1 120 will result in a blurred image whereas a high shutter speed 1 1000 will result in a clear picture
12. amera positioned at right angles to the plane in which the event takes place If not errors due to perspective will be created Is the person being videotaped wearing clothing that will obscure their actions or limb end point positions This may be floppy tops long baggy shorts skirts or long hair which could be plaited tied up or taped down powered by siliconcoach Page 44 Chapter 5 Collecting Quality Video Footage During filming Check the following Using a Scale either gt Put makers in the field of view that are a known distance apart or gt Hold an object of known length at the position where the event will occur first horizontally then vertically for 20 seconds in each position This could be a 1 metre length of wood It is on this linear scale that all calculations of distance and speed are based If you use this method to record a scale and any adjustments are made to the cameras field of view during videotaping the scaling rod must be shown in the new field of view As the people objects being videotaped change a chalkboard or piece of paper with the name of the new person object should be displayed in front of the camera This allows someone who is unfamiliar with the people objects to identify them If filming multiple trials of a subject be sure to indicate the trial number by showing numbered pieces of paper or having the subject hold up the proper number of fingers Complete a filming recor
13. d that includes all relevant information This information may include the persons Name Standing height Reach height Weight Age Skill level Type of equipment used Any other information that may be of use at a later date VVVVVVVV powered by siliconcoach Page 45
14. dified the icons to prevent confusion Added a second user configurable combo box for naming movie files Added a CLOSE button to the form to simplify closing Added a TRIM button to the form This button is only enabled when a movie file is selected in the FILE LIST Improved the resolution of the video capture preview The trimmed file can have the same name as the original This will overwrite the original file Note that this action cannot be undone The FORMAT setting of the DV video is now saved as a preference Update the Stick Figure character models New show trace feature allows users to see digitised stick figures animated over time All components feature a new refined user interface which groups common tasks together and simplifies work flow Interface design aligned with that used in siliconCOACH Pro 6 An error reporting tool has been added powered by siliconcoach Page 5 Chapter 1 Introducing you to siliconCOACH Software installation Installing the Digitiser Software The CD has an auto installer and should open automatically If the auto installer does not open the program automatically run setup exe from the CD at which point you will be prompted to continue Installing DirectX The SiliconCOACH installer provides a DirectX 8 1 installation option for your version of the windows operating system If you are running Windows XP you DO NOT need to install DirectX 8 1 Before install
15. e frame in the movie where the mistake was made 2 Use the navigation buttons below the movie controller to go to the point on the frame that is incorrect 3 Re digitise the incorrect point powered by siliconcoach Page 26 Chapter 3 Digitising Data Setting a scale Introduction siliconCOACH Digitiser allows you to calculate a scale for a movie so that you can use it as a reference for subsequent calculations of distance speed etc To set a scale To do this you need to know the length of some object in the movie 1 Choose the units to use as a basis of the scale by selecting either meters or feet from the Scale Units option on the Scale menu The default unit is meters 2 Select Set Scale from the Scale menu 3 Click on two points in the movie that are a known distance apart and then enter that distance After you have done this the scale will appear in the status bar at the bottom of the screen powered by siliconcoach Page 27 Setting point colours Chapter 3 Digitising Data Under the Preferences menu you have the option of changing the colours that are used to display the points as you digitise the stick figure There are three situations that you can set the point colour for 1 Firstly there is the default point colour this colour is used to display the points unless they are the currently selected point or a redigitised point Secondly there is the colour of the currently
16. en you will receive an email reply Go to step 7 7 Theemail that you receive will include an attached text file you will need to a b c d f Double click the attachment file to open it Choose SELECT ALL from the EDIT menu Choose COPY from the EDIT menu to copy all of the text Open siliconCOACH and select Manually Enter License Key and then click Next Right Click in the text box and choose paste This will paste the contents of the attachment into this screen Click FINISH 8 Ifyou have any problems or issues please email support siliconcoach com powered by siliconcoach Page 8 Chapter 2 The Stick Figure Builder Overview Introduction In this section you will learn how to use the Stick Figure Builder to create open save and close stick figure files Working with files in the Stick Figure Builder is very similar to working with documents in a word processor or spreadsheet application What is a Stick Figure A stick figure is a model of a body defined by lines between points placed on significant body landmarks The chosen figure defines the points you need to digitise for the movie you are analysing A stick figure can include points for all the joints in the body or it can be just a limb or segment of interest The greater the number of points in your stick figure the longer it will take to digitise In siliconCOACH Digitiser a stick figure can have a maximum of 30 points Topics This chapter c
17. er Digitised Date 13 Movies Stick Figures Capture jy File name 4 23 04 2003 Capture Camera Control serve x ole IV Auto inc filename fo 2j C SCDigitiser6 Movies 2003 04 23 serve avi powered by siliconcoach Page 38 Chapter 4 Video Capture Movie size As movies are large in size about 1 5 to 4 0 MB per second you should only capture from a short time before the event of interest to just after the event of interest This will help conserve disk space Exiting the Capture screen To exit the Capture Screen click on the exit button at the bottom right of the screen This will take you back to the Presentation Builder screen ue powered by siliconcoach Page 39 Trim and or recompress video Chapter 4 Video Capture Introduction The Trimmer allows you to trim and or recompress the video that you have just captured or existing movies It also provides you some compression options LE jj ox Ml Source Set Source CnSCDigitiseriMovies iserve avi 720 x 576 50 Frames 25 00 FPS dwsd Codec 772 Destination Set Destination C 8C Digitiser Movies serve avi 773 Compression options WM Video Encoder DMO MSScreen encoder DMO WM Video Encoder DMO MJPEG Compressor DV Video Encoder Indeo video 5 04 Compression Filter Microsoft Video 1 Trimmer
18. er of frames in the current movie Frame 1 100 Size 720x576 cap Mode Fields Scale not sek Movie Serve avi powered by siliconcoach Page 24 Chapter 3 Digitising Data Obtaining co ordinate data 1 From the Preferences menu make a selection from the Digitise Every sub menu The default is to digitise every frame 2 o Use the movie controller to locate the frame you wish to begin digitising in 3 Locate the first point in the movie and click on it You will notice the name below the words Click on the change to the name of the second point 4 Ifthe point is not within the field of view then click on the Point out of frame button 5 Once you have clicked on all the points in this frame the movie will advance the specified number of frames 6 Repeat the process until you have reached the end of the movie or wish to stop Note You do not have to digitise all the frames in a movie gt Use the movie controller to advance to the frame you wish to begin at gt You can make a selection from the Digitise Every menu under Preferences menu This will advance the movie the required number of frames as you finish digitising a frame powered by siliconcoach Page 25 Chapter 3 Digitising Data Correcting mistakes in a digitised data file If you make a mistake while digitising a frame you can correct it by 1 Using the movie controller at the base of the movie to locate th
19. gitising Data Opening an existing digitised data file Introduction You can open a digitised data file if you want to make corrections or continue the digitising To open an existing digitised data file 1 2 From the File menu in the Digitiser Screen select Open Locate then open an existing digitised data file ddf The movie that relates to the file will also open Click on the open table icon and view the table to determine the last frame that was digitised Close the table powered by siliconcoach Page 33 Chapter 4 Video Capture Overview Introduction Each capture card comes with its own interface and the standard of these interfaces varies in quality siliconCOACH Digitiser has a program to simplify the capture process This section describes the Video Capture process Topics This chapter contains the following sections Starting the Video Capture 35 Setting up for Video Capture 36 Capturing Videos 38 Trim Recompress the Movies 40 powered by siliconcoach Page 34 Chapter 4 Video Capture Starting the video capture Introduction The Capture Screen is where movie files are captured and saved Buttons The following buttons on the Capture Screen Start button To Start capture Stop button To Stop capture Camera control Allow you to play stop forward and rewind in the camera control File name Let you name your file with date
20. ing SiliconCOACH please make sure you install the version of DirectX that is appropriate for your operating system When you install DirectX using the supplied installer the following file and compression formats are installed by default These formats will complement the existing multimedia file support already installed on your PC Default File Formats Motion Picture Experts Group MPEG Audio Video Interleaved AVI QuickTime version 2 and lower WAV AIFF AU SND MIDI Default Supported Compression formats MPEG Audio Layer 3 MP3 decompression only Digital Video DV MPEG 1 MJPEG Indeo Cinepak Microsoft does not provide an MPEG 2 decoder Several DirectShow compatible hardware and software MPEG 2 decoders are available from third parties For information on the availability of particular third party codecs for redistribution with DirectShow applications contact the codec manufacturer powered by siliconcoach Page 6 Chapter 1 Introducing you to siliconCOACH Software registration Note You cannot use the software until you have registered it The license file only activates the software on the computer you registered it for If you change computers reformat your hard drive or change your processor you will have to re register No personal information other than hardware specifics of your computer and the contact details you enter is transmitted to us Registration Process The registration
21. ment sequence Topics This chapter contains the following sections General information What s new Software installation al HD BY A Software registration powered by siliconcoach Page 3 Chapter 1 Introducing you to siliconCOACH General information Licensing Unless you have a current site license siliconCOACH Digitiser can only be installed on a single machine If you are unsure about your license arrangement contact your local agent or siliconCOACH Ltd Support Support is provided via fax internet and email Up to date contact information is available on the siliconCOACH website www siliconcoach com How to Use this Manual This manual is designed to give readers a quick understanding of how siliconCOACH Digitiser is used and provide working examples to illustrate the many functions of the program We recommend new users work through the examples in this manual prior to performing any analysis powered by siliconcoach Page 4 Chapter 1 Introducing you to siliconCOACH What s new Registration A web based registration system has been added If direct access to the web is not available emailed registrations are now handled by an automated system Integrated video capture Trimmer General Added a TRIM AFTER CAPTURE preference that when activated will always load the captured movie into the TRIMMER Changed the layout of the CAMERA CONTROL buttons and mo
22. oduction Once you have digitised a stick figure the data is stored in a table within siliconCOACH Digitiser You can print the data in one of the following ways Printing digitised data from the table 1 From the File menu select Print 2 Click Ok Printing a digitised data file Ddf To allow you to import a digitised data file into another application and print from within that application 1 Save the digitised data to a file 2 Import the digitised data file into a word processor or spreadsheet application 3 Print from within the application Note gt When importing a digitised data file into another application you should choose the appropriate settings for importing a comma separated values CSV file powered by siliconcoach Page 31 Chapter 3 Digitising Data Saving digitised data Introduction Once you have digitised a stick figure the data is stored in a table within siliconCOACH Digitiser You will want to save it into a location on the hard drive where you can easily find it again It is a good idea to have one folder that contains all your data files located in the siliconCOACH Digitiser folder To save a digitised file 1 From the File menu select Save 2 Locate the folder in which you wish to store the data file 3 Enter the filename 4 Click Save Save Note gt The data will be lost if you do not save it to file powered by siliconcoach Page 32 Chapter 3 Di
23. ontains the following sections Opening the Stick Figure Builder 10 Creating Stick Figures 11 Printing Stick Figures 18 Saving Stick Figures 19 Capturing Image of Stick Figure 20 powered by siliconcoach Page 9 Chapter 2 The Stick Figure Builder Opening the Stick Figure Builder Overview Introduction The Stick Figure Builder screen provides you with the necessary capabilities to create the stick figure that you require Opening the stick figure Complete the following steps to open the stick figure builder screen 1 Open the siliconCOACH Digitiser software 2 From the Tools menu select Stick Figure Builder A new screen will appear Stick Figure Builder E x File Help Clothed Quadriped Skeleton Colour Markers Connect Ll Line Colour Snapshot Move Mode powered by siliconcoach Page 10 Chapter 2 The Stick Figure Builder Creating stick figures Overview Introduction A stick figure is used as the basis for the creation of a digitised data file It can be as simple or complex as you require to gain the desired information Topics This section contains the following topics Selecting the number of marker points 12 Positioning marker points 13 Making connections between marker points 15 Naming the marker points 17 powered by siliconcoach Page 11 Chapter 2 The Stick Figure Builder Selecting
24. ora cricket bowler marker 1 may represent the ball and points 2 8 may represent anatomical landmarks powered by siliconcoach Page 14 Chapter 2 The Stick Figure Builder Making connections between marker points Once all the markers have been positioned you make the connections between them by 1 Selecting the colour of the line that will connect the markers 2 Connect the markers by drawing lines between them To select the colour of the line 1 Select a colour from the colour palette LE m To connect two points 1 Click on the Connect markers button as Connect 2 Place the cursor on the first marker 3 Click and drag until the cursor is positioned over the second marker 4 Release the mouse A line will be drawn between the two markers in the selected colour The connection and colour of the line will be recorded in the table at the bottom of the screen powered by siliconcoach Page 15 Chapter 2 The Stick Figure Builder Notes gt A marker can accept multiple connections but can only generate TWO connections When you digitise the point co ordinate data a marker that does not accept or generate any connections will be drawn as a red square You will generally use this sort of marker for a ball or other object that is separated from the body powered by siliconcoach Page 16 Chapter 2 The Stick Figure Builder Naming the marker points When you have joined u
25. ormation 24 Obtaining co ordinate data 25 Correcting mistakes in a digitised data file 26 Setting a scale 27 Setting point colours 28 Viewing the digitised data table 29 Capture image of digitiser screen 30 powered by siliconcoach Page 23 Chapter 3 Digitising Data On screen information Once you have opened a digitised data file the movie and the following information will be visible on the screen The movie controller Used to navigate through the movie geseneessesarssssssss00s300120000000000020000000000000910901000000080000005 Point out of bounds frame Click in this region if the specified point is not Within the movie window Out of bounds points are recorded as having co ordinates of 1 1 in the Digitised Data File Point out of Bounds Click on the Point name Tells you the name of the point you should click on next based on the stick figure that you are using Click on the Racket Head Two buttons for manual navigation through the points The button on the left takes you back one point and the button on the right takes you forward one point If you make a mistake you can use these buttons to move back or forward to the point you want to redo If you go forward past the last point on the current frame of the movie you will be taken to the first point in the next frame Current frame No The frame number of the movies frame you are currently viewing Total No frames The total numb
26. p all the markers for the stick figure you should type in a name for each of the numbered markers This is not mandatory but will make it easier when you begin digitising the stick figure It is easier to find the left knee than remember what marker 11 is supposed to be Point Connection 1 o Connection2 Colori Colr2 1 ball Fuchsia 2 t hand 3 Red 3 t elbow 4 Red 4 t shoulder 5 7 Agua Yellow 5 cni 6 7 Agua Agua 6 apex 7 It shoulder 8 10 Lime Blue 8 It elbow 9 Lime 9 It hand 10 It hip 15 Yellow 11 It knee 10 12 Agua Agua 12 It ankle 13 Red 13 It heel 14 Red 14 It toe 12 Red zl powered by s l concoach Page 17 Chapter 2 The Stick Figure Builder Printing stick figures Introduction Once you have made stick figures they are stored in a table within siliconCOACH Digitiser You can print a stick figure in one of the following ways Printing a stick figure from the table 1 From the file menu select Print 2 Click Ok To print a stick figure file Sff To allow you to import a stick figure file into another application and print from within that application 1 Save the stick figure to a file 2 Import the stick figure file into a word processor or spreadsheet application 3 Print from within the application Note gt When importing a stick figure file into another application you should choose the appropriate settings for importing a comma separated values CSV file
27. sacsaznnees 29 Capture an image from the digitiser SESS My spazm bisi ikea kay nadasa yol 30 P inti ng AIST e A A PA A N 31 Saving digitised A A 32 Opening an existing digitised data H R la amenna so umas sin olsa s semudkss 33 Chapter 4 Video Capture 34 ONCE TG A A A A O A A AE N MM 34 Sta rtin the video 6 e ER RE E EER RERA 35 Setting up for video Ca RE seasengaceannvencuseanseesnaamnseasensvagonants 36 APU AS OS Fis cess E A E ONES 38 Trim and or recompress video adic cicdccasscivsccsnivedsrebandeusdinouieeaisecasetadccdnaiandcansanmcsoaisace 40 Chapter 5 Collecting Quality Video Footage 42 CVV GE VIC ER EE 42 e camera PEALE CS RE YA ER 43 Pilming CHC 1161 semada akli alalim R E ii doadiiilaldiie 44 powered by s l concoach Page Chapter 1 Introduction O s l concoach video analysis solutions siliconcoach Digitiser is an interactive movement analysis tool Digitiser is designed for analysing the fundamentals of rigid body segment models biomechanics and 2D geometry at a higher level el censed fox Stan wlconc0AG File Tools Scale Preferences Help Main j Digitiser Screen Click on the club head Size 720 x 576 Cap Mode Fields o Scale not set Movie movies golf digitiser avi siliconcoach Digitiser is just one of the software products in the siliconcoach range that provides video based motion analysis specifically designed for use in sports training coaching and
28. selected point This is only visible when you are navigating through points that have already been digitised Thirdly there is the colour used to display points that have been redigitised You can choose to use these colours only on your current file or on all subsequent files Select the colour for the o Yellow digitised points Select the colour for the E Aqua X selected digitised point Select the colour for the Em Red re digitised points Use these settings for all files Only use with current file X Cancel powered by siliconcoach Page 28 Chapter 3 Digitising Data Viewing the digitised data table Click on the Show Data icon The table will open and will fill the screen The table contains information about the stick figure and movie that you are using along with the x y coordinates of the points that you have digitised Li Show Data powered by siliconcoach Page 29 Chapter 3 Digitising Data Capture an image from the digitiser screen When you are digitising the point co ordinate data you may wish to save an image from the digitiser screen Saving an image from the digitiser screen 1 Oo Click on the Save image button 2 Enter the name of the image 3 Click Save Note gt The default folder for the images is C My Documents powered by siliconcoach Page 30 Chapter 3 Digitising Data Printing digitised data Intr
29. u do not need to make any changes Video Automatically detect the video camera source that you are using Size Set the Size of the video Note for some video sources you cannot specify the size Sub Type Sub type of the Video device Note for some video sources you cannot specify the subtype Frame rate The frame rate would set on default Note for some video sources you cannot specify the frame rate Apply Apply the changes to the frame rate Analogue Select the correct standard for your video source Video from the drop down menu It s only available when Standard you use analog video camera Audio Select the audio device You may set the audio Format format to default or you can choose the format in the drop down list Capture Select the tick box to capture the audio Audio Mute Select the Mute tick box to mute audio while you are working on the Capture screen Device Provides access to manufacturer specific Settings configuration dialogs Note The settings made available to you are dependent on the type of card you have Each manufacturer provides a settings dialog with their own layout and features but we will only deal with those settings that are necessary for setting up your card for basic capture Please refer to the documentation that comes with your card for further information about the settings and dialogs provided by your cards manufacturer Some options may be greyed out
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