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7.5

Flat Field Correction

How is performed the Flat Field Correction ?

What is the Flat Field correction (FFC) ?

The Flat Field Correction is a digital correction on each pixel which allows :



To correct the Pixel PRNU (Pixel Response Non Uniformity) and DSNU (Dark Signal Non
Uniformity)



To Correct the shading due to the lens



To correct the Light source non uniformity

Before After

How is calculated / Applied the FFC ?

The FFC is a digital correction on the pixel level for both Gain and Offset.



Each Pixel is corrected with :



An Offset on 10 bits (Signed Int S9.1). They cover a dynamic of



256LSB in 12bits with a

resolution of 1/2 LSB 12bits. Offet : the MSB is the sign, the rest of 9bits is from 0 .. 256
with precision of 1/2



A Gain on 12 bits (Unsigned Int U2.12) with a max gain value of x5

(*)

The calculation of the new pixel value is :

P’ = ( P + Off).(1 + Gain/1024

(*)

).

Gain : 0 to 4095

The FFC processing can be completed with an automatic adjustment to a global target. This
function is designed as “

FFC Adjust

”. This adjustment to a User target is done by an internal

hidden gain which is re-calculated each time the FFC is processed while the FFC adjust
function is enabled.

The FFC is always processed with the max pixel value of the line as reference. If enabled, the
FFC adjust module (located at the output of the FFC module) calculates the adjustment gain
to reach the target defined by the User.

When the FFC result is saved in memory, the adjust gain and target are saved in the same
time in order to associate this gain value with the FFC result.

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Содержание e2v Eliixa+ EV71YC2MCL8005-BA0

Страница 1: ...ELIIXA Family CMOS Multi Line Camera e2v com cameras USER MANUAL ELIIXA 8K 4K CL MONOCHROME ...

Страница 2: ...ectral Responses 9 3 CAMERA HARDWARE INTERFACE 11 3 1 Mechanical Drawings 11 3 2 Input output Connectors and LED 12 3 2 1 Power Connector 13 3 2 2 Status LED Behaviour 14 3 2 3 CameraLink Output Configuration 14 4 STANDARD CONFORMITY 15 4 1 CE Conformity 15 4 2 FCC Conformity 15 4 3 RoHs Conformity 15 5 GETTING STARTED 16 5 1 Out of the box 16 5 2 Setting up in the system 16 6 CAMERA SOFTWARE INTE...

Страница 3: ...ection 45 7 5 4 FFC User Bank Management 46 7 5 5 Command Tables 46 7 6 Look Up Table 48 7 6 1 Command Tables 49 7 7 Statistics and Line Profile 50 7 7 1 Command Table 51 7 8 Privilege Level 52 7 8 1 Command Table 52 7 9 Image Control 53 7 9 1 Command table 53 7 10 Save Restore Settings 54 7 10 1 Command Table 54 APPENDIX 55 Appendix A Test Patterns 56 A 1 Test Pattern 1 Vertical wave 56 A 2 Test ...

Страница 4: ...HDR Block 61 C 2 Example with Ratio 2 and 10bits output 61 C 3 HDR With LUT 10bits 8bits 62 C 4 Example of difference between AB and C Line 62 Appendix D CameraLink Data Cables 63 D 1 Choosing the Cable 63 D 2 Choosing the Data Rate 64 Appendix E Lens Mounts 66 E 1 F Mount 66 E 2 T2 M42x1 Mounts 67 Appendix F CommCam Connection 68 Appendix G Revision History 70 ...

Страница 5: ... mode BHx Models with HDR Mode High Dynamic Range Centered Region of Interest in 5x5µm mode down to 4096 pixels 1 2 Key Specifications Note All values in LSB are given in 12 bits format Characteristics Typical Value Unit Sensor Characteristics at Maximum Pixel Rate Resolution 2 or 4 x 8192 1 or 2 x 4096 Pixels pixel size square 5 x 5 10 x 10 µm Max Line Rate BA0 BA1 versions 8 or 12bits CameraLink...

Страница 6: ...nterface Sensor modes Multi definition Multi sensitivity 8k Pixels 5µ m Multi Lines 1 2 or 4 4k Pixels 10µm Binning 1 or 2 Lines 2k Pixels 20µm Binning 4x4 1 line Analog Gain Up to 12 x4 dB Offset 4096 to 4096 LSB Trigger Mode Timed Free run and triggered Ext Trig Ext ITC modes Mechanical and Electrical Interface Size w x h x l 125 x 60 x 35 mm Weight 360 g Lens Mount F Mount T2 and M42x1 Sensor a...

Страница 7: ...7 274 547 550 1100 2200 Non Linearity 0 3 0 3 0 3 0 3 0 3 0 3 Without Flat Field Correction FPN rms LSB 0 4 1 5 0 7 1 5 0 8 1 5 0 8 1 5 0 8 1 5 0 8 1 5 FPN pk pk LSB 3 2 15 5 15 5 6 15 5 6 15 5 6 15 5 6 15 PRNU hf 3 4 Sat 0 13 0 25 0 1 0 25 0 1 0 25 0 1 0 25 0 1 0 25 0 1 0 25 PRNU pk pk 3 4 Sat 1 3 0 8 3 0 8 3 0 8 3 0 8 3 0 8 3 Test conditions Figures in LSB are for a 12bits format Measured at exp...

Страница 8: ...his Time Delay Exposure is used only in the 4S multi line modes 4 Lines and also in the three binning modes as described below The 8192 Pixels of the whole sensor are divided in 2 blocks of 4096 pixels 2 3 Sensor modes a b c d a b c d B a b c d C B A C D Mode 1S B Mode 2S B C FPGA Mode 4S A B C D Note A B summation in the sensor not available for EV71YC2MCL8005 BAx 8K Pixels Output a b c d a b c d...

Страница 9: ...Quantum Efficiency 2 4 2 Spectral Responses Single Modes 1S 2S 4S 0 100 200 300 400 500 600 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 LSB12bits nJ cm2 nm Response in 8k Pixels 5µm 4S 2S 1S 0 10 20 30 40 50 60 70 80 360 460 560 660 760 860 960 1060 Quantum Efficiency ...

Страница 10: ...600 700 800 900 1000 1100 1200 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 LSB12bits nJ cm2 nm Response in 4k Pixels 10µm 1SB 2SB 0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 LSB12bits nJ cm2 nm Response in 2k Pixels 20µm 4SB ...

Страница 11: ...USER MANUAL ELIIXA 8K 4K CL MONO REV I 06 2017 P A G E 11 3 CAMERA HARDWARE INTERFACE 3 1 Mechanical Drawings The Step file is available on the web www e2v com cameras X Y Z ...

Страница 12: ... Sensor alignment Z 10 3 mm 100µm X 9 5 mm 100 µm Y 62 5mm 100 µm Flatness 50 µm Rotation X Y plan 0 15 Tilt versus lens mounting plane 50µm USB Connector For Firmware upgrade Power Connector 12 24V DC Multi Colored LED for Status and diagnostic CameraLink Connector CL2 CameraLink Connector CL1 ...

Страница 13: ...ply from 12 to 24v Power 7 5W max with an typical inrush current peak of 1A during power up Typical current Power during the grab possible variation 5 Power Time Max 40s Green Light Inrush Current Peak Current Establishment time and level 24V Camera supply Line Period Minimum Supply 12V Supply 24V I mA P W I mA P W Full 8Taps 605 7 26 303 7 272 Deca 10Taps 613 7 356 308 7 392 Base 2Taps 589 7 068 ...

Страница 14: ... OK Green and blinking slowly Waiting for Ext Trig Trig1 and or Trig2 Red and continuous Camera out of order Internal firmware error 3 2 3 CameraLink Output Configuration Adjacent Channels Pixels per Channel Versions Bx0 Bx1 Base 2 Channels 8 10 12bits 2 x 85MHz 80 75 70 65 60MHz 2 x 4096 Medium 4 Channels 8 10 12bits 4 x 85MHz 80 75 70 65 60MHz 4 x 2048 Version Bx1 only Full 8 Channels 8bits 8 x ...

Страница 15: ...ing interferencethat may cause undesired operation This equipmenthas been tested and found to comply with the limits for Class A digital device pursuant to part 15 of the FCC rules These limits are designedto provide reasonableprotectionagainst harmful interferencewhen the equipmentis operatedin a commercialenvironment This equipmentgenerates uses and can radiate radio frequencyenergy and if not i...

Страница 16: ... to be downloaded from the web site This ensure you to have an up to date version Main Camera page www e2v com cameras On the appropriate Camera Page ELIIXA 8k 4k you ll find a download link The first version of CommCam compliant is indicated in the last Chapter CommCam download requires a login password Login commcam Password chartreuse 5 2 Setting up in the system The Compliant Lenses Mounts are...

Страница 17: ...izes and detects automatically all the UCL Cameras connected on any transport layers Camera Link or COM ports of your system Once connected to the Camera you have an easy access to all its features The visibility of these features can be associated to three types of users Beginner Expert or Guru Then you can make life easy for simple users Minimum version of CommCam is 2 1 4 in order to recognize ...

Страница 18: ...o be received before sending a new command The camera return code has to be received before sending a new command Some commands are longer than the others Waiting for the return code ensure a good treatment of all the commands without saturating the buffer of the camera The Camera Returned Codes are Returned code meaning 0 or OK All right the command will be implemented 3 Error Bad CRC for write c...

Страница 19: ...ceVersion Get Camera Hardware version Read function r dhwv Returned by the camera String of 32 bytes including 0 Can not be written Device Firmware Version DeviceFirmwareVersion Get camera synthetic firmware Read function r dfwv Returned by the camera String of 16 bytes including 0 Can not be written Device SFNC Version 1 5 0 These Parameters Major Minor Sub Minor are only virtual ones in order to...

Страница 20: ...he power dissipation drops down to about 6W During the standby mode the grab is stopped Once the Standby mode turned off the Camera recovers in less than 1ms to send images again from the sensor Camera status Get the Camera status register 32bits Integer Read function r stat Returned by the camera 32bits integer Bit 0 StatusWaitForTrigger True if no trig received from more than 1sec Bit 1 StatusTr...

Страница 21: ...emperature format signed Q10 2 signed 8 bits plus 2 bits below comma Value from 512 to 511 in C DeviceTemperatureSelector Xml Virtual Standby r stby Read Standby state CMOS sensor w stby 0 Disable standby mode False w stby 1 Enable standby mode True no more video available but save power and temperature STATUS REGISTER r stat Get camera status see below for details StatusWaitForTrigger Bit 0 true ...

Страница 22: ...ommand in xml Value always 1 Output mode OutputMode Set the CameraLink Output mode refer also to Chap 3 CameraLink Output Configuration This command is available in the CommCam Image Format Control section Read function r mode Returned by the camera Output mode from 0 to 3 see table below Write function w mode value detailed in the table below Modes Connector CL1 Connector CL2 Mode value Base 2 Ch...

Страница 23: ...204 pixels in Binning mode 4SB Output Frequency OutputFrequency Set the CameraLink Data Output Frequency This value is available in the CommCam Image Format Control section Read function r clfq Return by the Camera Frequency from 0 to 5 Write Function w clfq value 0 85MHz default 1 60MHz 2 65MHz 3 70MHz 4 75MHz 5 80MHz Data Output Frequency Reduction The Purpose of this feature is to optimize incr...

Страница 24: ... good match acquisition The 4SB is a binning 4x4 with an output of 2K pixels 20x20µm Rectangular Pixels Sensor Delay Top Bottom In addition to these Sensor modes the Delay between the Top and The Bottom of the Sensor when both are used Modes 2S 4S 2SB can be disabled in order to get Rectangular Pixels with the following equivalence 2S x2 5x5µm x1 Pixel 5x10µm 4S x4 5x5µm x2 Pixels 5x10µm 2SB x2 10...

Страница 25: ... of 2 lines of 4k pixels in 10µmx10µm 5 4SB mode Binning mode 4x4 which outputs 1 line of 2k pixels in 20µmx20µm 6 HDR mode Set the Camera in HDR mode See below for explanation Sensor Delay Top Bottom DisableDelay Disables the delay between Top and Bottom Lines of the Sensor to get rectangular Pixels This command is available in the CommCam Image Format Control section Read function r ddtp Returne...

Страница 26: ...d to check the Low Levels Single Line HDR The Camera outputs the HDR Line reconstructed from A B and C Lines in the camera in the HDR bloc The Exposition of the C Line is automatically controlled by setting the HDR Ratio Ratio 1 Equivalent to x2 ratio between Top and Bottom or 1 bit in the Dynamic Ratio 2 Equivalent to x4 ratio between Top and Bottom or 2 bit in the Dynamic Ratio 4 Equivalent to x...

Страница 27: ...Parameters are available only if the Sensor Mode is set to HDR HDR Mode HDRMode Set the HDR Mode Output This command is available in the CommCam Image Format Control section Read function r hdrm Returned by the camera Integer from 0 to 2 Write function w hdrm value 0 Output Single Line Bottom Only 1 Output Single Line Top Only 2 Output HDR Line HDR Ratio HDRRatio Set the HDR Ratio This command is ...

Страница 28: ...tiplied by x2 two output registers are used but the noise divided by 2 therefore the SNR is improved by a factor of 2 Reverse Reading X ReverseReading Allows to output the line in the Reverse X direction This value is available in the CommCam Image Format Control section Read function r revr Return by the Camera 0 or 1 enabled disabled Write function w revr value 0 Disabled 1 Enables the reverse r...

Страница 29: ...r the change of scanning direction but the first line acquired will be more or less black as in 2S 2 lines are required for a complete exposure In 1S 1SB or 4SB modes nothing is lost an all lines received after the delay are correct This positioning takes also in account that the mode Reverse X is Off Normal readout direction Test Image Selector TestImageSelector Defines if the data comes from the...

Страница 30: ... Ratio to 1 or x2 when HDR is On w hdrr 1 Set the HDR Ratio to 2 or x4 when HDR is On w hdrr 2 Set the HDR Ratio to 4 or x8 when HDR is On w hdrr 3 Set the HDR Ratio to 8 or x16 when HDR is On Full Exposure Control Mode r stbm Get Full Exposure Control Mode w stbm 0 Mode 4S 2S with all lines w stbm 1 Mode 4S 2S without incorrect lines w stbm 2 Mode 4S only MultiLineGain r mlig Get MultiLine gain w...

Страница 31: ...ssing chaine activated w srce 1 Set test output FPGA image pattern to GreyHorizontalRamp processing chaine desactivated w srce 2 Set test output FPGA image pattern to White pattern processing chaine desactivated w srce 3 Set test output FPGA image pattern to gray pattern processing chaine desactivated w srce 4 Set test output FPGA image pattern to Black pattern processing chaine desactivated w src...

Страница 32: ...top of the exposure Not available when Sensor mode is set in 4S 5 Internal Line Trigger with maximum Exposure Time Write function w sync value The Timing diagrams associated to each Synchronization mode and the Timing values associated are detailed in the APPENDIX B of this document Exposure time ExposureTime Defines the exposure time when set in the Camera This command is available in the CommCam...

Страница 33: ...ure control active and the Control Exposure mode set in 4S Only In this mode the incoming Line Period is delayed from one line to be reproduced in the camera after an exact measurement of the Line Period If the trigger stops for a period of time below the limit this will considered as a long time Line and not a stop Then the next line will be delayed from the same value with the risk to loose new ...

Страница 34: ...on mode which requires the control of the exposure the camera enters a specific mode The Line Period measured is Tper its minimum value is TPermini 10µs on this camera and the exposure time set by the User is Prog_Tint If Tper Prog_Tint Not relevant Prog_Tint has to be smaller than Tper The sensor is in full exposure and the gain applied on the output is fixed by the User Gstb max x4 If Tper 4 x M...

Страница 35: ...riation of the line period 10 of variation requires a Gain at least of x1 2 10 By default this value is set at x4 Gain Full Exposure Control Gstb Set the Gain for the Control of Full Exposure Mode This value is available in the CommCam Gain Offset section Read function r stbg Return by the sensor value of the Gain between 0 and 49151 Write Function w stbg value value Gain between 0 and 49151 Gain ...

Страница 36: ...K 4K CL MONO REV I 06 2017 P A G E 36 Feature Commands Description time and programmable line period Trigger too Slow r tgts Get Trigger too slow in milliseconds w tgts val Set Trigger too slow from 1ms to 5368ms step 1ms ...

Страница 37: ...ramp of the comparator of the ADC Then 3 Values are available x1 x2 and x4 A gain x1 in a 12 bits conversion is equivalent to x4 in 10 bits OUT Pixel X Preamp Gain X ROI Gain X FFC Offset Gain X FFC Adjust X LUT or Contrast Exp Offset Gain FPGA Sensor X Quarter Tap Gains Action on whole line Action per pixel Action per Sensor s Quarter X Amp Gain x1 x2 x4 LSB FWC Comparator Ramps at different Gain...

Страница 38: ...lue Tap1 Write function w fga tap value tap 1 or 2 value from 128 to 127 by step of 1 0 0021dB each step Digital Gain Gain with GainSelector DigitalAll Set the global Digital Gain This command is available in the CommCam Gain Offset section Read function r gdig Returned by the camera Integer value from 0 to 255 The corresponding Gain is calculated as 20log 1 val 64 in dB Write function w gdig int ...

Страница 39: ...FFE Stop address from 1 to 8191 0x001 to 0x1FFF ROI Gain How does it works The ROI Gain feature comes in addition with the FFC it s applied and calculated after The maximum complementary Gain ix x2 It can be applied in 2 commands First set the ROI Gain value Second set the ROI Region of Interest This second command applies the Gain on the ROI in memory and this is immediately activated The ROI Gai...

Страница 40: ...al Set contrast expansion digital gain from 0 0 dB to 255 14 dB step 1 TBD dB BlackLevelRaw BlackLevelSelector All r offs Get common black level w offs val Set common black from 4096 to 4095 step 1 Gain Abs GainSelector QuarterGain j r fga j val Get tap j 1 to 4 digital gain Dynamically updated on AnalogAll gain changes w fga j val Set tap j 1 to 4 digital gain from 128 to 127 by step 1 0 0021dB D...

Страница 41: ... Offet the MSB is the sign the rest of 9bits is from 0 256 with precision of 1 2 A Gain on 12 bits Unsigned Int U2 12 with a max gain value of x5 The calculation of the new pixel value is P P Off 1 Gain 1024 Gain 0 to 4095 The FFC processing can be completed with an automatic adjustment to a global target This function is designed as FFC Adjust This adjustment to a User target is done by an intern...

Страница 42: ... moving target Use The FFC Low Band Filter if the Target can t move This will remove the defects of the target itself Launch the FFC Enable the FFC You can save the FFC result both FPN PRNU in the same time in one of the 8 x FFC User Banks The user target and Gain are saved with the associated FFC in the same memory Advices The ELIIXA Cameras have 8 x FFC Banks to save 8 x different FFC calibratio...

Страница 43: ...FC Adjust function w ffad 1 Enable the FFC Adjust function o Auto Adjust Target Level FFCAutoTargetLevel set the value for the User Target Read function r tfad Returns the Target value from 0 to 4095 Write function w tfad value Set the Target Value in 12bits FFC Adjust A good usage When there are several Cameras to set up in a system on a single line the most difficult is to have a uniform lightni...

Страница 44: ... the FPN Offsets coefficient in Memory This command is available in the CommCam Flat Field Correction Manual Calibration section Write function w rsto 0 Reset set to 0 the FPN coefficients in memory This doesn t affect the FFC User Memory Bank but only the active coefficients in Memory PRNU Calibration o PRNU Calibration Control FFCCalibrationCtrl Launch or abort of the PRNU process for the Gains ...

Страница 45: ...ackets of x128 coefficients Read function r ffco addr Read 128 consecutive FPN user coefficients starting from addr address Returned value is in hexadecimal without space between values one unsigned short per coefficient Write function w ffco addr val Write 128 consecutive FPN user coefficients starting from the addr address val is the concatenation of individual FPN values without space between t...

Страница 46: ...ad Write function w sffc val User bank val if from 1 to 8 FFC User Bank Usage At the power up Last User Bank used is loaded in RAM Reset a User bank Reset the RAM FPN PRNU individually 7 5 5 Command Tables Feature Commands Description FFCEnable r ffcp Get Flat Field Correction processing status w ffcp 0 Disable Flat Field Correction False w ffcp 1 Enable Flat Field Correction True FPNReset w rsto ...

Страница 47: ...bration status w calo 0 Abort fpn calibration by setting it to Off no effect if already stopped w calo 1 Launch fpn calibration by setting it to Once no effect if already launched FFCAdjust r ffad Get ffc adjust state w ffad 0 Disable ffc adjust w ffad 1 Enable ffc adjust FFCAutoTargetLevel r tfad Get the FFC target adjust level W tfad val Set FFC target adjust level from 0 to 4095 step 1 LowFrequ...

Страница 48: ...able the Digital Gain Offset This function is available in the LUT section Read function r lute Get the LUT status Returned by the camera 0 is LUT disabled 1 if enabled Write function w lute val val is 0 for disable 1 for enable Upload Download the LUT coefficients Direct access to the LUT coefficients for reading or writing In CommCam the User can access to a specific interface by clicking on cli...

Страница 49: ...Last User Bank used is loaded in RAM 7 6 1 Command Tables Feature Commands Description LUTEnable r lute Get LUT status w lute 0 Disable LUT False w lute 1 Enable LUT True No direct feature r lutc addr Read 128 LUT coefficients starting from address addr from 0 to 4095 128 Return value is in hexadecimal without space between values one unsigned char per coef w lutc addr val Write 128 LUT coefficien...

Страница 50: ...terest Read function r pstd Get the standard deviation Returned by the camera Unsigned format value U12 4 o Pixel Min value PixelROIMin Minimum gray level pixel value on the whole region of interest Read function r pmin Get the Minimum value Returned by the camera Unsigned format value U12 4 o Pixel Max Value PixelROIMax Maximum gray level pixel value on the whole region of interest Read function ...

Страница 51: ...direct feature r pixv addr Read 128 pixel values starting from address addr from SensorWidth 128 1 Return value is in hexadecimal without space between values one unsigned short per coef PixelRoiStart r prod Get Roi start w prod val Set Roi start for pixel statistic computing 0 to SensorWidth 1 1 PixelRoiWidth r prow Get Roi width W prow val Set Roi width for pixel statistic computing 1 to SensorW...

Страница 52: ... is available in the Privilege section Privilege level Management PrivilegeLevel Get the current Camera privilege level Read function r lock Get the current privilege Returned by the camera 0 to 2 Write function w lock val val is as follow 2 Lock the Camera in Integrator or privilege User computed value Unlock the Camera back in Integrator mode 7 8 1 Command Table Feature Commands Description Priv...

Страница 53: ... the Replay of the image in the camera This command is available in the CommCam Image Control section Read function ASCII r play Returned by the camera 0 Camera display the Live Image 1 Camera display recorded Image Write function ASCII w play value 0 Start Playing Live Image 1 Start Playing Recorded Image 7 9 1 Command table Feature Commands Description Save Image w recl val Record current Image ...

Страница 54: ...nk User Set5 can be written only if the Camera is set in integrator mode Privilege level 1 This integrator bank can be used as a Factory default by a system integrator Configuration Bank Usage At the power up Last User Bank used is loaded in RAM Integrator Bank 5 can be locked by switching the Camera in User mode cf Privilege feature Then it can t be saved any more without switching back the Camer...

Страница 55: ...USER MANUAL ELIIXA 8K 4K CL MONO REV I 06 2017 P A G E 55 APPENDIX ...

Страница 56: ...l in regards with the previous one In 12 bits the level reaches 4095 before switching down to 0 In 10 bits the level reaches 1023 before switching down to 0 In 8 bits the level reaches 255 before switching down to 0 A 2 Test Pattern 2 Fixed Horizontal Ramps A 1 2 8192 Pixels in 8 bits format Starting at 0 an increment of 1 LSB is made every 16 pixels When it reaches 255 turns back to 0 and starts ...

Страница 57: ...ts format Starting at 32 an increment of 1 LSB is made every 16 pixels When reaches 63 jump to 96 then carry on increasing When reaches 127 jump to 160 then carry on increasing When reaches 191 jump to 224 then carry on increasing When it reaches 255 turns back to 32 and starts again ...

Страница 58: ...ts format Starting at 48 an increment of 1 LSB is made every 16 pixels When reaches 63 jump to 112 then carry on increasing When reaches 127 jump to 176 then carry on increasing When reaches 191 jump to 240 then carry on increasing When it reaches 255 turns back to 48 and starts again ...

Страница 59: ...g Gain is applied by the gradient of the counting ramp see next chapter Gain Offset The conversion time depends on the pixel format 8 or 10 bits 6µs 12 bits 24µs This conversion is done in masked time eventually during the next exposure period Td Delay between the Start exposure required and the real start of the exposure Digital Conversion Tpix Line Trigger CC1 or Internal Td Tper Tintreal Exposu...

Страница 60: ...ffective Exposure Time will be about Tintreal Tint Tx Td B 2 Synchronisation Modes with Maximum Exposure Time In these modes the rising edge of the Trigger internal or External starts the readout process Tpix of the previous integration The Real exposure time Tintreal is finally equal to the Line Period Tper even if it s delayed from Tx Td from the rising edge of the incoming Line Trigger B 3 Timi...

Страница 61: ...is 12 bits The MSB are taken from the 8bits MSB of the Lines AB and divided by 16 max C 2 Example with Ratio 2 and 10bits output Line C 8bit Lines AB 8bit HDR bloc HDR Output 12 bit x 16 12bit 16 12bit HDR bloc calculation If Lignes AB saturation then HDR Ligne C Else HDR LIgnes AB 2 N N ratio 1 2 4 8 Processing FFC Gain Offset 12bit CL interface 8 10 12bit Camera output If 8bits output only the 8...

Страница 62: ...ine The LUT could be used to compress the HDR output in 8bit Camera output illumination Saturation Lines AB Saturation Line C 1023 255 Lines AB used Line C used Camera 10b output without LUT Camera 8b output with 10b 8b LUT Line C Lines AB Ratio 4 or x8 between LSB and MSB Lines AB integrate during 50µs in TDI Line C integrates 25µs ...

Страница 63: ...iven for a dedicated maximum value per meter of cable as max 50ps m The CameraLink Standards defines the maximum total skew possible for each data rate Here is a following example of cable and the cable length limitation in accordance with the standard 0 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 Skew ps Da...

Страница 64: ... 1 40 13 3 25 0 100 40 10 0 25 0 100 10 0 100 10 Data Frequency 75MHz Sensor Mode Base 8 10 12bits Medium 8 10 12bits Full 8 x 8bits Full 10 x 8bits Line Rate Max kHz Tper Min µs Line Rate Max kHz Tper Min µs Line Rate Max kHz Tper Min µs Line Rate Max kHz Tper Min µs 1S 2S 4S 8K 5µm 17 8 17 8 56 4 56 4 35 5 35 5 28 2 28 2 70 4 14 2 87 7 11 4 1SB 2SB 4K 10µm 35 5 35 5 28 2 28 2 70 4 40 14 2 25 100...

Страница 65: ...s Full 10 x 8bits Line Rate Max kHz Tper Min µs Line Rate Max kHz Tper Min µs Line Rate Max kHz Tper Min µs Line Rate Max kHz Tper Min µs 1S 2S 4S 8K 5µm 14 5 14 5 69 2 69 2 28 9 28 9 34 6 34 6 57 8 17 3 71 9 13 9 1SB 2SB 4K 10µm 28 9 28 9 34 6 34 6 57 8 40 17 3 25 100 10 0 100 10 4SB 2K 20µm 57 8 40 17 3 25 100 40 10 0 25 0 100 10 0 100 10 ...

Страница 66: ...USER MANUAL ELIIXA 8K 4K CL MONO REV I 06 2017 P A G E 66 Appendix E Lens Mounts E 1 F Mount F Mount Part number EV71KFPAVIVA ABA ...

Страница 67: ...USER MANUAL ELIIXA 8K 4K CL MONO REV I 06 2017 P A G E 67 E 2 T2 M42x1 Mounts M42x0 75 T2 Mount Part number AT71KFPAVIVA AKA M42x1 Mount Part number AT71KFPAVIVA ADA ...

Страница 68: ...acturer dedicated CameraLink Services Library In 32bits in the directory defined by the Register Key CLSERIALPATH REG_SZ in HKEY_LOCAL_MACHINE software cameralink The directory should be program files CamerLink serial or any other specified In 64bits for a 64bits version in the directory defined by the Register Key CLSERIALPATH REG_SZ in HKEY_LOCAL_MACHINE software cameralink The directory should ...

Страница 69: ...a is detected but not identified A question Mark icon appears in place of the one of the AVIIVA2 The version of CommCam used is too old You have to use the version 1 2 x and after Impossible to connect to the identified Camera The message Impossible to open device is displayed There is a possible mismatch between the major version of xml file used by CommCam and the firmware version of the Camera ...

Страница 70: ...ly and 2S Switch w o Bad lines Trigger too slow limit parameter New Models with High Dynamic Range Mode BHx Version BA0 Version BA1 Version BH0 Version BH1 1 4 2 1 4 2 1 1 0 1 1 0 2 5 1 Rev G Record Play Image 2 6 0 Rev H Variable Gain for Full Exposure control in 4S mode Record replay image function Centered Region Interest for 8µ 5m sensor modes New part with 2 Lines only EV71YC2MCL8005 BA0 1 EV...

Страница 71: ... REV I 06 2017 P A G E 71 New Function Sensor Top Bottom delay disable HDR Modes for BHx Models EV71YC4MCL8005 BH0 EV71YC4MCL8005 BH1 2SB Mode 2x 4k 10µm for 2 Lines Models EV71YC2MCL8005 BA0 EV71YC2MCL8005 BA1 2 1 0 2 1 0 2 1 0 2 1 0 ...

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