Bildaufnahme Matrox
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1. cccccccseccseeceeeceeeeeeceeeeeeseeeneeeeueseeseeeaeeseeeseeseeeseesgeeneesseeseeenaes 7 Additional Information on the Matrox Configuration TOO cccccccsccceeeeseeeneeeseeeseueseeeseeeseeeeseeeseeeseeeseueeseeeseeeseeeneeeseeess 8 Ve o U elas Wie Ke A mar ACC gle A WEA aT Ce Rll i eee sere treet reteset artnet err err teree tyre rer eee eee eee eee errr sere errr rere 9 OCMC S agecsnasas aden adaa cagecesadaeedenadaceatoacansezatcacaceasanaacanscaacsaatee teen a ants aamnestnaomeactinastie ENE 10 How to Adjust the Camera Gamma White Balance Color Settings ccccssseeseseeeeeeeeeneeeeeeeeeeneeeens 11 List of Color Settings for Different Light SOUCES ccccceccccsececeeeeceeeecaeeeeeeeeseeeeseeeeseeeeseueesaueeseueesaueeseeessueesseeeseneesaes 15 Short Overview of Sequences Of StepS s snnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nnmnnn nennen 16 REVISION FIISTORY seipa A TEA 18 Purpose of this Document This document describes e what you should observe when setting up a Basler sprint color camera in combination with a Matrox Solios frame grabber For information on Matrox frame grabber types see below And e howto realize the gamma correction white balance and color adjustment settings in the Basler sprint camera For detailed information on the RGB color space and hue and saturation adjustment see the Basler sprint User s Manual AW000699xx which is available2. Copyright 2013 by Basler AG Page 10 of 18 Basler sprint Color Cameras Setting up a Basler sprint Color Camera With a Matrox Solios Frame Grabber AW00120503000 How to Adjust the Camera Gamma White Balance Color Settings The color enhancement feature is available for the following cameras all Basler sprint 2k and 4k color cameras and in case of the 8k cameras the feature is available for the soL8196 50kc The following description is also part of the Basler sprint color User s Manual Please see on the Basler website for the newest version of this section in the Basler sprint color User s Manual On the initial wake up after delivery the Basler sprint color camera loads the factory configuration set into the work set The color enhancement feature is deactivated in the factory configuration set This factory set contains neutral values concerning color settings Depending on what you want to achieve by adapting the color adjustment settings you have the following possibilities e A If a high color accuracy is important to you i e you want the camera to capture an object and you want the monitor to display the colors of an object as seen under a standard light source i e the exact numerical values of the object s pixels make sure that you use a standard color chart within your camera s field of view when you adjust the color enhancements e B If you want to rely on your visual impression i e you want to achie
3. Generate Select Source programmable gt lt i A ast Shading Generation Failed Select Source b In the DSNU amp PRNU Shading Correction group Shading Files Generate DSNU Values Select Generate DSNU Values _ File Name Select ies a N Ea with DSNU If the generation is successful Last Shading Generation Failed is lt 0 gt c Remove the cap from the camera lens Copyright 2013 by Basler AG Page 11 of 18 Basler sprint Color Cameras Setting up a Basler sprint Color Camera With a Matrox Solios Frame Grabber AW00120503000 d Capture an image of a homogeneous surface just below the DSNU amp PRNU Shading Correc saturation in the object plane e g white sheet of paper Shadina Made DSNU and PRNU Shading Le a In CCT In the DSNU amp PRNU Shading Correction group Select Generate PRNU Values with DSNU Values lf the generation is successful Last Shading Generation Failed is lt 0 gt The values are internally saved If the procedure is successful Last Shading generation Failed is 0 The shading values will be saved automatically in the user shading values file Make sure the shading mode Is selected 6 Depending on your light source set the corresponding Offset DN and color specific gain parameters for white balance in the Gain amp Offset section a Capture images of the gray fields of the color checker The brightest white field should be in the focus area of the
4. camera and it should not be saturated Preferably you should start with a gain value of 1 for the strongest color because this means lower values and less noise b Check whether the white balance in the image is correct i e if the values of the colors red green and blue inside a segment oreferably the brightest are the same Via the white balance parameters you adapt the three color PONE ZA Me CHING WUE Renae channels of the camera red green and blue to the light source in such a way that you obtain a basic gray value c Set the gain value of the color with the highest gain value as low as possible Thus you obtain the lowest noise e If the white balance is correct proceed with step 8 e If the white balance is not correct see the following step 7 If the white balance is not correct adjust the corresponding color gain parameter in the Gain amp Offset section Note The following figures show white balance examples of a gray value line displayed in ColorChecker m uw a P Ti 2 577 BIg 321 353 385 417 449 481 513 705 737 769 a01 i WB m D oh i 129 161 193 225 257 hi i Fa 577 737 Seeks a301 3 321 385 al 449 481 513 i ui m D 129 161 193 225 257 ri a m Figure 23 Image with Basic Camera Settings Figure 24 Same Settings Use of IR Cut Filter In Figure 24 you can see the reduction of the red spectral components This is wh
5. APPLICATION NOTE J Create an fe ee a me al Camera t camii C suma OU Registe ngi imagE p handie amera Regi maed a6 nership Te i vein Ji hin ii Ss J Ean Open the Gamera camera Open Setting up a Basler sprint Color Camera With a Matrox Solios Frame Grabber Document Number AW001205 Version 03 Language 000 English Release Date 12 February 2013 BASLER Setting up a Basler sprint Color Camera With a Matrox Solios Frame Grabber AW00120503000 Table of Contents PUFDOSE OF this DOCUMEN ccssmeesccescesswcnseeereceseeeseceneneqectsuncvevenetacestuncsweoreueseetseveseueseceswedseceuetaquetsubseetsvenseeetseeaees 2 Prere CUIS INS ciasearecyecciec date Sent ecycae ve camsat a S 3 TUAW AC gince oct deac tua dtanisun tive ccvatceandetacnscnsntnceonsn cannon ceincecnceancs ikGaodgnadanodanonanomonedGnamnanguenonenonseneniaeual REENEN 3 COV a aaa eee reac a a a a a a a aed caseaeseanseseseandeaednnedeanseanns sdbdhaldtetdictaiatdictanaiateaahetalandanens 4 TOOS ANAMA f oer oe ete eon a nena nena Ren ere cre en ene ete nT er er errr re eer ere rere rer 5 standard Color ONA eeann ee nese etter ere cere ne ee ee ee ee eee ee eee rer ee eee ere 5 Tools tor Displaying GolOr VaVe Se ees ena eee ie Nel Aes tibiei 5 Additional Information on the Matrox Intellicarm Tool cccccccsececeeeceeeeeeeeeeeeseeeseeeseeeseeeeeeeeseeeseeeseeseueeeeeeaeeeeesseeeseeees 6 Image Acquisition With the Matrox Intellicam TOO
6. Figure 28 Hue Red 0 b Set the viewing tool e g Just Color Picker to HSB HSV mode aia ss c Capture a new image of the ColorChecker Saturation Green 54 d Compare the values of the captured image to the reference image Sean es 7 on your PC Hue Cyan 0 e Adjust the primary and secondary colors as close as possible to on as the values of the reference image by adjusting the corresponding Soe apt z saturation and hue color parameter Hue Magenta 0 e See parameters for the different light sources in Table 1 on Figure 28 Color Adjustment Default page 15 and e Hue and saturation adjustment are explained in the Basler sprint User s manual Parameters in CCT Neighboring colors will influence each other e g changes for yellow may also slightly change red and green 15 Save the settings i e with the modified color enhancement parameters to a separate user set If not saved in a special user set the settings made for color adjustment will be lost when the camera is reset or switched off and back on Additional Information Each of the six primary and secondary colors is separately Color Adjustment adjusted in the HSB color space Only similar colors as red _S 2F Adustment Enable i and magenta are influencing each other _ Saturation Red 72 _ HueRed SC The example parameter at the right side were evaluated Saturation Yellow with the following illumination _ Hue Yellow Satur
7. SNU amp PRNU Shading Correction group Select Generate PRNU Values with DSNU Values If the generation is successful Last Shading Generation Failed is lt 0 gt The values are internally saved lf the procedure is successful Last Shading generation Failed is 0 Copyright 2013 by Basler AG Page 16 of 18 Basler sprint Color Cameras DSNU PRNU To Hoe EEF Setting up a Basler sprint Color Camera With a Matrox Solios Frame Grabber AW00120503000 White Balance The ColorChecker is in the object level All componenis of the RGB signal red green and blue in the unsaturated illumination gain near the reference value brightest field of the gray value fields should reach a target value of 242 the field marked with a red rectangle The green gain is slightly modified G 242 the red gain is set to R 242 and the blue one to B 242 You obtain gray values in the chart where R G B The ColorChecker is in the object level The gamma value iss et to 0 42 For most applications this should already work The target ist hat the six gray value field must reach the reference values In our example it was necessary to lower the offset of the camera to 5 GAMMA 5 I teense nies SSSATRAGBSRSSSRASESSL SEBS N SA ANN NOM MMY SRRG SSRRRS Color The ColorChecker is in the object level Image Capture The color adjustment feature in the sprint camera lets you adjust hue and saturation for the primary c
8. ansport direction In mi Exposure ime us older firmware versions the Raw Line B First Line Period us acquisition mode is not available only the Raw LineA M yn aan st First Figure 20 Exposure Parameters in CCT The easiest way to realize an image capture if the camera is in the free run programmable You do not need to realize special settings for this in the frame grabber they are ignored The video timing values are set in the camera Line Period us Exposure Time us Copyright 2013 by Basler AG Page 9 of 18 Basler sprint Color Cameras Setting up a Basler sprint Color Camera With a Matrox Solios Frame Grabber AW00120503000 Specifics If you select the RGB signal standard the direction of transport is not important because all color information is processed by the camera If you use raw signals you must observe the direction of transport the sequence of the two sensor lines of the camera e f you use the default settings realize the settings as indicated in Figure 21 e If the direction of transport is different or the camera is mounted in another way you can adapt the line acquisition mode settings accordingly e g Line B first Note If the Camera link medium cable is connected at the upper side of the camera side see Figure 21 pixel 0 is at the left side see Figure 21 Figure 21 Default Settings Camera Position and Transport Direction
9. ar in Intellicam Tool 1 Bayer Button Configure Bayer Settings Solios CL Full 0 Digitizer 0 The Bayer button 1 in Figure 7 opens the Configure Bayer Settings dialog box see Figure 8 Pe The indicated Bayer pattern corresponds to the first two pixels that are c griia transmitted For information on the Bayer filter used in your camera ee e model see the technical specifications table in the Basler sprint user s Eee Penn ter manual As an alternative you can check the Bayer pattern effect by F reci Red Red displaying single colored test images in the CCT Red Green The MIL 9 processing pack has an additional Enabled option button compared to the MIL8 version Therefore for MIL9 versions you do not need to distinguish between Safe grab and Safer Bayer Grab Figure 8 Configure Bayer Settings Depending on the line acquisition mode RGB Raw or Raw Enhanced line acquisition mode and on the preprocessing debayering e g converting Raw data into color data the following Matrox settings can vary e Use of the Bayer pattern Output Mode iia e Tap configuration _Mideo Data om Made i Tap RGB 8 Bi CL Base Lameralink Clock L e Standard RGB or monochrome i Cine Acquisition Mode RGB Figure 9 Camera Configuration Data Option The MIL software can convert monochrome Raw image information into color information This is required for real ti
10. art see example in Figure 26 9 Save the current settings that will reflect the status before color adjustment as a user set This user set will include the results from white balance and gamma correction Depending on your light source set the corresponding color enhancement parameters in the Color Adjustment section The table in the 10 11 12 13 Capture images of the blue green red yellow magenta and cyan line of the color checker see example in Figure 27 Check whether the colors are correct List of Color Settings for Different Light Sources section on page 15 shows you the values for different light sources Take again an image of the white and gray fields of the color checker see example Figure 22 The displayed image on the monitor should look like the image in Figure 22 If the displayed image does not correspond to the captured line check whether the monitor is correctly adjusted If the colors are correctly displayed the color enhancement is complete Go to step 14 lf the colors are not correctly set proceed with the next step Figure 27 Checking the Colors Copyright 2013 by Basler AG Page 13 of 18 Basler sprint Color Cameras Setting up a Basler sprint Color Camera With a Matrox Solios Frame Grabber AW00120503000 a Depending on what color is not correctly displayed adjust the a corresponding color enhancement parameters in the Color eT Adjustment section see
11. ation Green Fluorescence tube Osram Lumilux L58W 865 cold white Aue Green 6500K and gamma 0 45 Saturation Cyan The following HSB target values of the ColorChecker are men aia to be obtained see Figure 29 Hue Blue Saturation Magenta ggj Hue Magenta 0 357 609 69 7970 30 coo 237 63 59 Figure 29 ColorChecker RGBYMC Target Values Copyright 2013 by Basler AG Page 14 of 18 Basler sprint Color Cameras Setting up a Basler sprint Color Camera With a Matrox Solios Frame Grabber AW00120503000 List of Color Settings for Different Light Sources Table 1 Color Settings for Different Light Sources Parameter Name in CCT Values Without Tungsten Daylight Daylight Correction 2800 K 5000 K 6500 K Color Adjustment O aS h _ Color Adjustment Enable O rN CO a O lt e N O Saturation Red Gain amp Offset Lookup Table O1 oO 139 104 104 mm I EN I K NO oO oO 152 147 Ql NO O1 aN N _ k 11 105 115 125 117 24 NO O I NO N NJ 1 N N s NO N 1 1 Lookup Table Enable i e Gamma Enable By default Gain Green 2 is disabled If enabled the gain value would be as the Gain Green value LED light source As the variety of light emitting diodes is very large e g varying temperature and color ranges etc no values for an LED ligh
12. aw Enhanced mode in the MIL configuration tool You do not need to change them in the MIL processing pack software They are set in the CCT Exposure Signal Grab Mode Sync Signal Digital Synchro Other Overview Camera Video Signal Video Timing Pixel Clock Valid Signal Source Use LAL from Camera Advanced 1 Check the Pixel clock frequency parameter Depending on the frame grabber type this parameter limits the data Settings Vertical timing No Vertical v speed In some cases a restriction is required Pixel clock frequency 40 0000 MHz 2 Check the Image Size Y parameter because it is important for the frame rate The Image Size Y parameter represents the number of lines per image It is restricted by the memory space acquisition Image size x 2048 Delyx fo error and influences the image generation Image size 00 1 dey 0 A During the set up when you take live images set this parameter to 200 lines Figure 15 Configuration Settings in MIL M Cameral Link Settings Note e The Image Size X parameter is the line width per tap For a 4k camera configured with 2 taps this parameter is 2048 e If the value of the pixel clock frequency is is divided the line width is automatically adapted Additional information f spl4096 70kc_2048_8bitRGBFls_40MHzdch oj x Even if the configuration software allows to control the Overview Camera Video Signal Vid
13. eo Timing Pixel Clock camera via the video signal of the frame grabber we Exposure Signal Grab Mode Sync Signal Digtal Synchro Other recommend to use the CCT software for programming configuring the camera s acquisition because it is more comfortable Aciairimede 1 On the Grab Mode tab Line scan mode Free Run Make sure that the Line scan mode frame grabber i hice ut Figure 16 Grab Mode Tab in MIL You realize the configuring of the video signal parameters line and exposure time directly in the camera via CCT Copyright 2013 by Basler AG Page 8 of 18 Basler sprint Color Cameras Setting up a Basler sprint Color Camera With a Matrox Solios Frame Grabber AW00120503000 Additional Information on the CTT You can either configure and adjust the frame grabber first and then the camera settings or vice versa But make sure that both settings are adapted to each other For the CCT tool the configuring mainly consists of setting the camera output mode and the image capture CL Base gt Communication via camera link with one cable CL Medium gt Communication via camera link with two cables For each tap a parallel transmission is realized This is done via the MIL Config tool in the frame grabber configuration dcf file RGB Color is the standard video signal Depending on your requirements you can set the following line acquisition modes RGB or Raw or Raw Enhanced acquisition mode transfe
14. esent in the Basler sprint color user s manual and that it will be there in the newest version Users should check in the sprint user s manual whether there is a newer updated version of this section Inserted link to Matrox website on page 3 Inserted information on what color camera models have the color enhancement feature available on page 11 Inserted information on color enhancement description in Basler sprint color Basler AG Germany Headquarters USA Asia Tel 49 4102 463 500 Tel 1 610 280 0171 Tel 65 6425 0472 Fax 49 4102 463 599 Fax 1 610 280 7608 Fax 65 6425 0473 sales europe baslerweb com _ sales usa baslerweb com _ sales asia baslerweb com BASLEI 27 www baslerweb com
15. he corresponding camera the camera must e be connected to the frame grabber via the emulated serial interface and e be selected Copyright 2013 by Basler AG Page 3 of 18 Basler sprint Color Cameras Setting up a Basler sprint Color Camera With a Matrox Solios Frame Grabber AW00120503000 Software Make sure that you have installed the Matrox MIL Matrox Imaging Library processing pack on your PC The image capture is realized by the Matrox Imaging Library MIL A Lite version is sufficient for your tasks This includes the MIL Configuration tool for configuring the frame grabber and the MIL Intellicam tool for displaying the images the Basler CCT tool for configuring the Basler sprint camera parameters You realize the camera settings in the CCT You can download a free version on the Basler website Camera Configuration Tool here the newest version is available the corresponding dcf files Output Mode These are configuration files required by the frame grabber and can aaa are oe L g raLink Clock be set via the MIL processing pack MIL Configuration Eoee F The cfg file contains settings representing the camera video data output mode the camera link clock speed and the line acquisition Figure 3 Configuration Data mode Figure 3 shows a parameter example as they are displayed n the Basler CCT tool The parameter in the CCT tool and the dcf fi
16. le must correspond to each other You have the following possibilities You can set the parameters in the default dcf file via New command or load an existing dcf file already containing the basic settings for the corresponding mode Ideally there are three different dcf files for the different modes RGB Raw and Raw Enhanced mode Or use existing data configuration sets In the following download section on the Matrox website Download there are data configuration files dcf for camera models that are supported If you cannot find the required dcf file use an existing file as sample and adapt the settings Note The MIL9Y processing pack compared to the MIL8 processing pack offers more useful features e g you can zoom with MIL9 but not with MIL8 We recommend using the MIL9 processing pack the firmware for the Basler sprint camera You can check the version of your camera in the CCT We recommend to upload the newest firmware version on your camera so that certain functions are available e g lt Gain Green 2 gt and lt RAW Line B first gt should be available If you want a newer version please contact Basler Technical Support Copyright 2013 by Basler AG Page 4 of 18 Basler sprint Color Cameras Setting up a Basler sprint Color Camera With a Matrox Solios Frame Grabber AW00120503000 Tools and Materials Standard Color Chart Used as a reference for adjusting the white bala
17. m Optics All configuration steps in the example were realized with RGB signals without Bayer mode Optionally you can also use RAW signals converted in Bayer mode even with higher data width Configuration The direction of transport is important for the configuration result i e which line line A or line B is processed and read out first and what line of the object is seen by the camera first The example shows a camera that was mounted in a way that the direction of transport corresponds to the default setting in the camera Optionally you can select lt Line B first gt in the camera configuration If the focus of the camera is very well adjusted this influences in a very positive way the depending items settings especially the edge effects If the illumination allows it noise you can slightly open the aperture Only if there are edges that are positioned perpendicular to the direction of transport adjust the position of the camera camera line Adjustment Close the lens of the camera with a cap In CCT a Set Exposure Exposure Time Control Mode lt Free run programmable gt b In the DSNU amp PRNU Shading Correction group Select Generate DSNU Values If the generation is successful Last Shading Generation Failed is lt 0 gt Remove the cap from the camera lens Capture an image of a homogeneous surface just below the saturation in the object plane e g white sheet of paper In CCT In the D
18. me applications If the images are to be processed and calculated in subsequent steps the monochrome values of the images must be used for the transfer Raw Enhanced image information always has to be captured in monochrome Copyright 2013 by Basler AG Page 6 of 18 Basler sprint Color Cameras Setting up a Basler sprint Color Camera With a Matrox Solios Frame Grabber AW00120503000 Image Acquisition With the Matrox Intellicam Tool You have two possibilities to capture images e You can use the icons in the symbol bar see Figure 10 or e You activate the commands in the Digitizer menu e g Single Grab or Continuous Safe Grab See Figure 11 For image capture For zooming f i E Solios CL Full 0 Figure 10 Icons for Image Acquisition in the Intellicam Symbol Bar a e File Edit wiew Dc Digitizer Options Window Help Single Grab Ctrl M Single Safe Grab Ctrl I Single Bayer Grab ctrl E Continuous Grab Chrl 5 Continuous Safe Grab Continuous Bayer Grab Ctrl b Hale Grab chee Exposure 5 Cervical Bayer Settings Ctrl Control Chrl D Figure 11 Digitizer Menu It is important that the camera settings are adapted to the frame grabber settings If this is the case and you use the icons with the additional S the Solios frame grabber will work faultlessly e f you activate a button with a camera icon single images are taken e f you activate a button with a film camera icon images are taken c
19. nce gamma and the basic colors We recommend including a standard color chart within your camera s field of view This will make it much easier to know when the colors are properly adjusted One widely used chart is the ColorChecker chart also known as the Macbeth chart If you order a color checker chart the target values for red green and blue will be indicated on the chart for each color field ColorChecker Figure 4 ColorChecker Chart Tools for Displaying Color Values Make sure that a tool is installed on your computer that helps you to identify the color value of any pixel in an image and to compare it to the original The tool should be able to display the colors as RGB values and as HSB HSV values Example tool Just Color Picker Just Color Picker free version or an alternative program is the pkColorPicker U Just Cotes Picker LJ Eg piore Coker Whey Coley iat Help B u ee ab ed i22 a40 md Figure 6 pk Color Picker User Interface Figure 5 Just Color Picker User Interface Copyright 2013 by Basler AG Page 5 of 18 Basler sprint Color Cameras Setting up a Basler sprint Color Camera With a Matrox Solios Frame Grabber AW00120503000 Additional Information on the Matrox Intellicam Tool For displaying the camera images you require the Matrox application Intellicam which is part of the MIL software package Figure 7 shows you the symbol bar of Intellicam Figure 7 Symbol B
20. olors RGB and the secondary colors YMC The most effecient way to display a live image is to use the MIL software Either the reference image of the Colo Checker can be opened as a sample for the ColorPicker or you know the reference values because you saved them Adapt the values of the single colors until you obtain a 3770 GAO TIH satisfactory result as The parameters correspond tot he HSB color space You can set the ColorPicker to the HSB color space 357 69 69 Neighboring colors will influence each other e g changes for yellow may also slightly change red and green This is why several adaptation steps are necessary 237 G3 I9 e FICA lal S I fe te er i Hei a see HAAA Dapa lya Chak Hacks Spuc Ea gha Torches Osher Drewes Cmmi icles agra eden fea Poem fect pe E iaiu wil beta Tie Dhaene E E Copyright 2013 by Basler AG Page 17 of 18 Basler sprint Color Cameras Setting up a Basler sprint Color Camera With a Matrox Solios Frame Grabber AW00120503000 Revision History Document number Change AW00120501000 Sy First preliminary version only exists in German AW00120502000 Jan 14 2013 First version 02 version in document number because the English version differs from the original German version no 01 user s manual on page 11 AW00120503000 Feb 12 2013 Entered note that How to Adjust the Camera Gamma White Balance Color Settings section is also pr
21. on the Basler website Information on the Matrox frame grabbers Depending on the data traffic speed and depending on the used bus system of your PC the following Matrox frame grabbers were used at the Basler fab Others frame grabber types are also possible but are not scope of this document Please see the Compatible Products pages in the support section on our website e Solios eCL 85 MHz PCle Camera Link e Solios6MCL E 66 MHz PCI X PCle Camera Link Copyright 2013 by Basler AG Page 2 of 18 Basler sprint Color Cameras Setting up a Basler sprint Color Camera With a Matrox Solios Frame Grabber AW00120503000 Prerequisites Hardware Make sure that you have e installed the corresponding Matrox frame grabber in your PC 1 Make sure that the frame grabber has enough memory so that it can save enough camera lines Evaluate the required memory This depends on the selected line acquisition mode RGB line acquisition mode Raw line acquisition mode or Enhanced Raw line acquisition mode and on the selected camera model You can set the frame grabber to the correct mode via MILConfig gt Non page Memory If you require a higher storage demand e g for color images in RGB mode set the storage value to 200 256 MB If you do not adapt the value there can be error messages For detailed information on interfacing cameras to Matrox Imaging hardware go to http www matrox com imaging en support cameras e F
22. ontinuously MIL9 offers useful zooming functions See Figure 10 Note on status line in MIL Image25 tif In the MIL status line the following useful information is displayed see marked section in Figure 12 Example 1136 687 gt indicates the mouse position in the image 0xFE E7 B5 gt indicates the color values for red green and blue in hexadecimal notation On Solios CL Full 0 Digitizer 2048 x 2000 Color 8 Bits 1136 687 OxFE E7 65 Restriction a re These values are only displayed if the image capture is Figure 12 Status Line in MIL stopped If you want the MIL Intellicam software to realize Bayer functions e With MIL8 via Bayer Grab Instructions e With MILO via Safe Grab Instructions The corresponding icons are displayed in Figure 13 Figure 13 Icons for Bayer Grab Copyright 2013 by Basler AG Page 7 of 18 Basler sprint Color Cameras Setting up a Basler sprint Color Camera With a Matrox Solios Frame Grabber AW00120503000 Additional Information on the Matrox Configuration Tool The connection from the camera to the frame grabber hardware is realized via configuration parameters These configuration parameters are stored in a dcf files 1 dcf files can be created loaded and saved Figure 14 Load and Save Command Buttons for dcf Files Via File gt Open you can load a dcf file The following screenshots show you settings valid for RGB Raw and R
23. rame grabber type A Solios eCL 85 MHz with PCle Bus and CL Camera Link This frame grabber runs in full mode F You do not have to adapt any settings as the frame grabber is able to cope with all settings realized in the sprint camera i e no matter what mode you select in the camera e Frame grabber type B B Solios6MCL E 66 MHz with PCI X PCle Bus and CL Camera Link This frame grabber can run in different modes Base or Medium Therefore you have to make sure that the camera mode and the frame grabber mode are adapted to each other 1 Make sure that the correct frame grabber mode is set in the MIL Config tool select gt Programs gt Matrox Imaging gt Tools gt MILConfig Ta Pra Teen mana T Acronis Figure 1 How to Start MIL Config Tool 2 If you modify this setting make sure that you power cycle the PC afterwards e installed powered up and configured the Basler sprint color camera and realized the basic camera settings following the Basler sprint color user s manual To obtain best performance from color models of the camera use of a dielectric IR cut filter is recommended The filter should transmit in a range from 400 nm to 650 nm and it should cut off from 650 680 nm to at least 1100 nm umun Eime M1 ii god 1200 aad BOD ae 700 Figure 2 Camera Spectral Response You can check the frame rate of your camera model on the Basler website In order to communicate with t
24. rred by several tap configurations The video signal RGB Color is set by default For each tap a parallel transmission is realized The amount depends on the frame grabber mode set via the MIL Config tool and in the frame grabber configuration dcf file You must set the mode type in the CCT The number of taps if required the clock speed and the video signal standard from RGB color to monochrome must be set in the MIL Config tool and saved in the cfg file accordingly 1 Make sure that the parameters in the CCT and the cfg file correspond to are adapted to each other If the basic settings of the frame grabber and camera have been realized and the settings are adapted to each an uncorrected image can be displayed lt J caster CCT span MEF Output Mode File Camera View Options Help Video Data Output Mode OB Bit CL Base w Matrox Solios XCL_O Porto v Refresh CameraLink Clock i Line Acquisition Mode Figure 18 Output Mode Parameters Set in the CCT Example 1 Video Data Output Mode Cameralink Clock Tap 12 BRICcLeE mt 40 MHZ mn Raw Line A First Line Acguisition Mode Figure 19 Output Mode Parameters Set in the CCT Example 2 Figure 17 Information in the CCT Information on line acquisition mode Raw Line x Exposure First _ Expasure Time Control Mode i Low Linerate Compensation This parameter determines the tr
25. t source are indicated in this table If you want to use an LED we recommend to check the color and temperature values for the selected LED type and take the values of a light source that is close to the LED color temperature This can be a starting point for your color enhancement Copyright 2013 by Basler AG Page 15 of 18 Basler sprint Color Cameras Setting up a Basler sprint Color Camera With a Matrox Solios Frame Grabber AW00120503000 Short Overview of Sequences of Steps Example Sprint soL4096 kc If you want to eliminate the influence of spectral components outside the visible light you have to mount an IR infrared cut filter before you start to configure the camera The 489 filter type transmits in a range from 380 nm to 690 nm and cuts off from 690 nm on Example Filter type 489 IR cut filter Select an illumination that has a color temperature as high as possible Example cold white with about 6500K It can be that a higher percentage of red in cold white cannot be compensated sufficiently In addition select an illumination that is so strong that you can set a low gain of the camera This reduces the noise and makes the adjustment easier ILLU The optical components can be freely selected They should meet the desired resolution requirements With larger focal lengths you obtain a more balanced result over the camera line also concerning the color fidelity Example 80 4 0 with a resolution of 45 u
26. ve that the monitor you use displays the colors of the captured object as you perceive them you require a high end calibrated monitor e Use a high end calibrated monitor for displaying your acquired images e Use a standard color chart within your camera s field of view when you adjust the color enhancements You can only obtain good color enhancements with a well adjusted monitor e g brightness etc 1 Make sure that you use an IR cut filter on the camera lens The filter should transmit in a range from 400 nm to 650 nm and it should cut off from 650 680 nm to at least 1100 nm e g B W 486 filter 2 Arrange your camera so that it is viewing a scene similar to what it will view during actual operation 3 Make sure that the lighting for the scene is as close as possible to the actual lighting you will be using during normal operation 4 Set the exposure time and gain so that you are acquiring good quality images It is important to make sure that the images are not over exposed Over exposure can have a significant negative effect on the fidelity of the color in the acquired images 5 Carry out DSNU Dark Signal Non Uniformity and PRNU Photo Response Non Uniformity shading correction a Close the lens of the camera with a cap D n CCT E DSNU amp PRNU Shading Correction be a Set Exposure Exposure Time Control Mode lt Free run Shading Mode DSNU and PRNU Shading C
27. y the IR cut filter must be mounted before setting the white balance parameters Copyright 2013 by Basler AG Page 12 of 18 Basler sprint Color Cameras Setting up a Basler sprint Color Camera With a Matrox Solios Frame Grabber AW00120503000 8 Adjust the gamma correction parameters a Set the gamma parameter In Figure 25 you can see the influence of a completed white balance The global gain makes sure that the brightest field is below the saturation The gain of the single colors were changed in such a way that red green and blue in the image have equal values am we mu m 481 513 545 Rog 129 161 193 225 257 673 705 737 769 301 321 353 iW e oh Qo m 7 om oF F Figure 25 Image with White Balance Influence Info The standard value for gamma in sRGB is 0 42 An incorrect gamma value means that the saturation of the colors will change with the brightness Figure 26 Setting the Gamma Value Gamma 1 means no adaptation Only set gamma to 1 if image evaluations later on include this step or if you want to obtain a higher contrast the higher contrast can only be obtained by simultaneously loosing details in the dark areas of the image and you do not need any color adaptations If you use another color space set the gamma value to the corresponding value When gamma is set correctly there should be a smooth transition from the lightest to the darkest gray scale targets on your color ch
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