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LQ-200CL

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7.27. Command SDC – Select Shading Correction Mode

This function enables (or disables) shading correction.

Settings:

0 = off (Bypass) (Default)

1 = Factory setting

2 = User area

Associated functions:

Commands PGR, SDR and SDS

7.28. Command SDR – Run Shading Correction

This function initiates automatic shading correction, and stores the result to the user
area. This function should be used together with the flat-field correction (commands PGC
and PGR). There are two types of shading correction: Individual R, G and B channel
correction and chromatic shading correction.

(

A) Flat shading correction (SDR=0)

Shading is calculated and individually compensated for R, G ,B and NIR channels
respectively. The calculation is based on the average value of 8 consecutive pixels. The
maximum deviation that can be compensated is -30% of the highest signal level
(brightness) of the line.

Note:



Depending on the optics

and/or illumination used together with the camera, it may not be possible to fully
compensate for shading.

Operating procedure for individual R, G ,B and NIR channel shading correction:

1. Before making adjustment,

approximately 30 minutes of warm up is required.

2.    Make sure the output signal is not saturated (<80% of full output is recommended)
3.    Set command PGC=2 and SDC=2.
4.    Set command SDR to 0 to initiate shading correction.
5.    If desired, set command PGR to 0 to activate flat-field (pixel gain) correction to

correct for pixel response non-uniformity.

6.

Again set SDR=0 after running the flat-field (pixel gain) correction

(B) Chromatic shading correction (SDR=1)

In this mode, shading correction of R ,B and NIR signals are referenced to the G signal
which is the reference. When the green channel detects “undulating” or “parabolic” type
shading, R and B channels are compensated to follow the same curve.
The calculation is based on the average value of 8 consecutive pixels

Individual shading correction

per channel

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Содержание LQ-200CL

Страница 1: ...LQ 200CL RGB Color NIR 4CCD Line Scan Camera Document Version 1 5 LQ 200CL_Ver 1 5_Dec2014 User s Manual ...

Страница 2: ...test FCC This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may c...

Страница 3: ...ucts known as China RoHS The table shows contained Hazardous Substances in this camera mark shows that the environment friendly use period of contained Hazardous Substances is 15 years 嶷勣廣吭並嗤蕎嗤墾麗嵎賜圷殆兆各式根楚燕功象嶄鯖繁酎慌才忽佚連恢匍何〆窮徨佚連恢瞳麟半陣崙砿尖一隈〇云恢瞳ゞ嗤蕎嗤墾麗嵎賜圷殆兆各式根楚燕泌和桟隠聞喘豚窮徨佚連恢瞳嶄根嗤議嗤蕎嗤墾麗嵎賜圷殆壓屎械聞喘議訳周和音氏窟伏翌亶賜融延窮徨佚連恢瞳喘薩聞喘乎窮徨佚連恢瞳音氏斤桟廠夛撹冢嶷麟半賜斤児繁附夏恢夛撹冢嶷鱒墾議豚方忖仝15々葎豚 15定 ...

Страница 4: ...HRS Request Status After One Push AWB 20 7 2 Command AL Automatic Line Rate Reference Level 20 7 3 Command AR Automatic Line Rate Setting 20 7 4 Command ARST Auto Reset Mode 20 7 5 Command AH Activate One Push Auto White Balance AWB Shutter 21 7 6 Command AW Activate One Push Auto White Balance AWB Gain 21 7 7 Command BA Bit Allocation 21 7 8 Command BI Binning horizontal only 22 7 9 Command BL Ma...

Страница 5: ...ommand TS Test Pattern 31 7 35 Command WB White Balance 32 8 Serial communication and command list 33 8 1 Serial communication 33 8 2 Command list 34 9 Camera Control Tool for LQ 200CL 40 10 External appearance and Dimensions 44 11 Specifications 45 11 1 Typical data 45 11 2 Camera Spectral sensitivity 47 Appendix 48 1 Precautions 48 2 Typical Sensor Characteristics 48 3 Caution when mounting a le...

Страница 6: ...00CL Where L stands for Line sensor Q stands for Quad CCD 200 represents the resolution 2000 pixels and CL stands for CameraLinkTM interface 3 Main features 4CCD line scan camera with 2048 pixel resolution Dichroic beam splitter prism to separate R G B and NIR wavelengths 19 048 lines per second scan rate 40 MHz pixel clock 4 x 8 bits or 4 x 10 bits output through Camera Link interface Flat field ...

Страница 7: ...trigger input and operation indications 8 Camera mounting holes 8 x M3 depth 5 5mm 0 2mm 3 Note 1 Note Rear protrusion on M52 mount lens must be less than 13mm 2 Note When a CameraLinkTM cable is connected to the camera please do not excessively tighten screws by using a driver The CameraLink receptacle on the camera might be damaged For security the strength to tighten screws is less than 0 291 N...

Страница 8: ...r in the No Shutter internal and Shutter Select internal modes Orange Initializing and cannot operate 1 Initializing for approx 800ms 2 One push auto white balance is engaged DIP switch SW 1 function No Function Settings ON OFF 1 Serial communication Hirose 12Pin Camera link CC1 2 Termination of External trigger 75Ω TTL Note Factory default settings for both functions are OFF Fig 3 DIP switch D IG...

Страница 9: ...amera can be used with all Camera Link products that comply with the AIA Camera Link standard Cables transmission systems and frame grabbers acquisition boards that do not comply with the Camera Link standard may work with this camera but JAI Camera Solutions cannot be held responsible for loss in performance or damage of equipment including the camera Connector 1 32Bit 40 Bit Pin No In Out Name N...

Страница 10: ...e leading and trailing edges of the trigger pulse activate the circuit The trigger input polarity can be changed by the command TP At the 12 pin Hirose connector the External Trigger input is 4V 2V TTL It can be changed to 75 ohm termination by a DIP switch setting SW 1 5 3 2 EEN XEEN output Exposure ENable This output corresponds to the exposure accumulation time of the camera It works together w...

Страница 11: ...ort C0 Out3_D0 Out2_D0 1 Tx15 Port C1 Out3_D1 Out2_D1 1 Tx18 Port C2 Out3_D2 Out2_D2 1 Tx19 Port C3 Out3_D3 Out2_D3 1 Tx20 Port C4 Out3_D4 Out2_D4 1 Tx21 Port C5 Out3_D5 Out2_D5 1 Tx22 Port C6 Out3_D6 Out2_D6 1 Tx16 Port C7 Out3_D7 Out2_D7 1 Tx17 Port D0 Out4_D0 Out4_D0 2 Tx0 Port D1 Out4_D1 Out4_D1 2 Tx1 Port D2 Out4_D2 Out4_D2 2 Tx2 Port D3 Out4_D3 Out4_D3 2 Tx3 Port D4 Out4_D4 Out4_D4 2 Tx4 Por...

Страница 12: ... CCD out Digital 8Bit LSB Digital 10Bit LSB Black 8 32 200mV 222 890 230mV 255 1023 Fig 8 Video output Input signal Camera link output Camera Link 1 Port a c Camera Link ２ Port d f RED GREEN BLUE Near IR Out3 Out4 Out1 Out2 Out5 Out6 Camera Link 1 Port a c Camera Link 2 Port d f RED GREEN BLUE Near IR Out3 Out4 Out1 Out2 Out5 Out6 Input signal Camera link output 32 0 CCD_out m V Di gi tal _out m V...

Страница 13: ...nt of the line rate In the LQ 200CL the exposure time can be set individually for all four channels Fig 10 Sensor layout Dichroic Prism Color Separation Light AMP ADC Auto black DSNU PRNU Shading Fine Gain Line Matrix Knee Noise reduction User black MPX Digital Binning MUX Camera link IF AMP ADC Auto black DSNU PRNU Shading Fine Gain Line Matrix Knee Noise reduction User black AMP ADC Auto black D...

Страница 14: ... timing Fake_ OB19 Fake_OB18 Fake_OB17 Fake_OB16 Fake_OB15 Fake_OB14 Fake_OB13 Fake_OB12 Fake_OB11 Fake_OB10 2100 3 DM23 DM24 DM22 DVAL Data Val i d LVAL Li ne Val i d 1CLK 25ns DM Dum m y Pi xel s I so I sol ati on Stages O B Opti cal Bl ack Pi xel s AP Acti ve Pi xel s TP Transi ti on Pi xel s 有効画素期間 1ライン 10 2 2048 2 10 3 22 Data DVAL LVAL TP3 TP2 TP1 TP0 OB9 OB8 OB7 OB6 OB5 OB4 OB3 OB2 OB1 OB0 ...

Страница 15: ... One push white balance WB Fig 12 No Shutter mode with internal line rate generator Important Note Only gain based one push white balance function WB is available with this mode I s o 0 I s o 1 I s o 2 O B 0 O B 1 O B 2 O B 3 O B 4 O B 5 O B 6 O B 7 O B 8 O B 9 T P 0 T P 1 A P 0 A P 1 A P 2 A P 3 A P 4 A P 5 A P 6 A P 7 A P 8 A P 9 A P 1 0 A P 1 1 A P 1 2 A P 2 0 4 7 A P 2 0 4 6 A P 2 0 4 5 A P 2 ...

Страница 16: ...s corresponding to the frequency and duty cycle used in the application Only gain based one push white balance function WB is available with this mode The minimum trigger interval is 52 6μs Fig 13 No Shutter mode with external trigger I s o0 I s o1 I s o2 OB0 OB1 OB2 OB3 OB4 OB5 OB6 OB7 OB8 OB9 TP0 TP1 A P 0 AP1 AP2 AP3 AP4 AP5 AP6 AP7 AP8 AP9 AP10 AP11 AP12 AP2047 AP2046 AP2045 AP2044 AP2043 AP20...

Страница 17: ...ite balance is used using the shutter command AH or using the gain command AW depends on applications If the auto white balance switch located on the rear panel is used only the gain is effective Fig 14 Shutter Select mode with internal line rate generator and individual exposure φ H2 φ H1 Iso0 DM0 DM1 DM2 DM19 DM20 DM21 Iso1 Iso2 OB0 OB1 OB2 OB3 OB4 OB5 OB6 OB7 OB8 OB9 TP0 TP1 AP0 AP1 AP2 AP3 AP4...

Страница 18: ... balance is used using the shutter command AH or using the gain Command AW depends on applications If the auto white balance switch located on the rear panel is used only the gain is effective When the one push white balance has been initiated and the rear panel LED shows orange the camera must receive continuous external trigger pulses corresponding to the frequency and duty cycle used in the app...

Страница 19: ...setting only The trigger interval is more than Exposure period 52 6μs When the one push white balance has been initiated and the rear panel LED shows orange the camera must receive continuous external trigger pulses corresponding to the frequency and duty cycle used in the application Fig 16 Pulse Width Control mode I s o 0 I s o 1 I s o 2 O B 0 O B 1 O B 2 O B 3 O B 4 O B 5 O B 6 O B 7 O B 8 O B ...

Страница 20: ...able Accumu variable Program exposure time Gain Shutter No Shutter Internal Yes Yes Yes Yes No Yes Yes 1 No External Yes Yes Yes Yes No Yes Yes 1 No Shutter Select Internal Yes Yes Yes Yes Yes Yes Yes 2 Yes External Yes Yes Yes Yes Yes Yes Yes 2 Yes PWC External Yes Yes Yes Yes No Yes No No 1 The accumulation period is equal to the trigger interval 2 The accumulation period is the setting value fo...

Страница 21: ...ith internal trigger Associated functions Command AL Note The data can be stored in the camera memory for next start up 7 4 Command ARST Auto Reset Mode This function enables disables the Auto Reset mode which prevents offset rising in special case where line triggers are not received for long periods of time Settings 0 off and 1 on Factory default is 0 off In this mode when a trigger pulse does n...

Страница 22: ...ion the gain based One Push AWB function is activated This function can also be initiated by pressing the rear panel button The white balance function takes approximately 3 seconds to complete During this time the rear panel LED will show orange This function operates in two steps First the red to green channel difference and the blue to green channel difference are calculated separately Then the ...

Страница 23: ...vel clamp function This circuit is an analog circuit and after the signal level of dummy pixels is clamped at the constant level it is digitized and the OB level is clamped at 32 LSB 8 LSB in the digital clamp circuit This function is always operating Master Tracking Settings Master G 0 to 255 0 LSB to 64 16 LSB 10 bit output Individual Settings G ch 0 to 255 0 LSB to 64 16 LSB 10 bit output Assoc...

Страница 24: ...the analog domain where 1LSB equals 0 03dB Master Tracking Settings Master G 123 to 429 3dB to 12dB Individual Settings G 363 to 660 9dB to 18dB Associated functions Commands GAR GAB GAIR Gain level red blue and NIR Note The adjustment range is available under 7800K light If light with a color temperature other than 7800K is used the adjustable range might be limited 7 14 Commands GAR GAB and GAIR...

Страница 25: ...5ns increments 19 kHz to 18 Hz Associated functions Trigger origin TG 0 Applicable modes No Shutter with internal trigger TR 0 Shutter Select with internal trigger TR 1 Note The data can be stored in the camera memory for next start up It is recommended to use 52 5μs to 2ms of line rate because the black level is stable in this range 7 18 Command LUTC LUT Control The LQ 200CL has an internal LUT L...

Страница 26: ...dual pixels Settings 0 Off Default 1 Factory setting 2 user area Associated functions Command PBR Applicable modes All 7 21 Command PBR Run Pixel Black Correction and Store to User Area This command initiates the pixel black level correction function and stores the settings in the user area When this function is activated lens must be capped Settings 0 Run this function Associated functions Comman...

Страница 27: ...plication 7 22 Command PBS Request Status After Pixel Black Correction This command returns the status of the pixel black correction with the following parameters 0 Not completed yet 1 Succeeded 2 Error1 Image too bright 3 Error2 Image too dark 4 Error3 Timeout occurred 7 23 Command PER PEG PEB and PEIR Programmable Exposure for R G B and NIR This command allows individual setting of the exposure ...

Страница 28: ...nsors must not be saturated when executing this function When executing this function the exposure time and line rate should be the same as when the camera is operated in the application Operating procedure for individual R G and B channel shading correction 1 Before making adjustment approximately 30 minutes of warm up is required 2 Make sure the output signal is not saturated 80 of full output i...

Страница 29: ...g the pixel output with a factor greater or less than 1 These coefficients are stored in a non volatile memory and are therefore maintained after power down 7 26 Command PGS Request Status After Pixel Gain Correction This command returns the status of the pixel gain correction with the following parameters 0 Not completed yet 1 Succeeded 2 Error1 Image too bright 3 Error2 Image too dark 4 Error3 T...

Страница 30: ...s of the line Note Depending on the optics and or illumination used together with the camera it may not be possible to fully compensate for shading Operating procedure for individual R G B and NIR channel shading correction 1 Before making adjustment approximately 30 minutes of warm up is required 2 Make sure the output signal is not saturated 80 of full output is recommended 3 Set command PGC 2 a...

Страница 31: ...g Shading Correction Command This command returns the status of the shading correction function with the following parameters 0 Not completed yet 1 Succeeded 2 Error1 Image too bright 3 Error2 Image too dark 4 Error3 Timeout occurred 7 30 Command TG Trigger Origin Selects whether an external signal or an internal clock generator is used as a trigger source Settings 0 Internal clock generator 1 Ext...

Страница 32: ... operation modes Settings 0 No Shutter mode 1 Shutter Select mode 2 Pulse Width Control PWC mode Associated functions Command TG trigger origin Command TI trigger input Command TP trigger polarity 7 34 Command TS Test Pattern This allows the camera to output a number of test patterns for set up and troubleshooting Settings 0 off 1 Color bar 2 Gray wedge 3 Gray bars 4 White 890LSB Fig 21 Rear panel...

Страница 33: ...nd fixed color temperatures 3 selections Fig 17 Gray wedge test pattern 890 222 10bit 8 bit 1 2048 Signal RGB Pixel count 32 8 10bit 8 bit 0 Fig 18 Gray bars test pattern 890 222 10bit 8 bit 1 2048 Signal RGB Pixel count 32 8 10bit 8 bit 0 Fig 19 White level test pattern 890 222 10bit 8 bit 1 2048 Signal RGB Pixel count 32 8 10bit 8 bit 0 ...

Страница 34: ... command list 8 1 Serial communication The LQ 200CL can communicate by serial communication via the Camera Link connector or via RS232C in the 12 pin Hirose connector The Baud Rate is fixed at 9600 bps Switch SW1 at the rear panel of the camera is used to select which way the serial communication is set up SW1 No Function Setting ON OFF Default 1 Select serial communication path Hirose 12Pin Camer...

Страница 35: ...r CR LF Transmit the following to have the camera s actual setting ST CR LF The camera answers A complete list of the current settings Transmit the following to have a command list HP CR LF The camera answers A list with all commands and possible settings Invalid parameters send to camera 99 is an invalid parameter SH 99 CR LF The camera answers 02 Bad Parameters CR LF To see firmware number VN CR...

Страница 36: ...ush auto line rate set AR Param CR LF AR CR LF 0 Activate one push auto line rate set Only valid for TR 0 and TG 0 AL Auto line rate reference level AL Param CR LF AL CR LF 0 to 1023 Only valid for TG 0 EI RB Exposure interlocked with G EI Param CR LF EI CR LF 0 Off independent 1 On interlocked Only valid for TR 1 PER Programmable Exposure Red PER Param CR LF PER CR LF 2 to 2150400 in 25ns increme...

Страница 37: ...S Param CR LF TS CR LF 0 Off 1 Color Bar 2 Gray Pattern 1 3 Gray Pattern 2 4 White Off at power up E Gain white balance and signal settings GA Gain Level Master GA Param CR LF GA CR LF Master Tracking 132 to 429 Individual 363 to 660 0 0dB GAR Gain Level Red GAR Param CR LF GAR CR LF Master Tracking 231 to 231 Individual 363 to 660 GAB Gain Level Blue GAB Param CR LF GAB CR LF Master Tracking 231 ...

Страница 38: ...8192 0 8 to 6554 8192 1 2 GAB2 Fine gain Blue GAB2 Param CR LF GAB2 CR LF 6544 to 9830 8192 1 6554 8192 0 8 to 6554 8192 1 2 GAIR2 Fine gain NIR GAIR2 Param CR LF GAIR2 CR LF 6544 to 9830 8192 1 6554 8192 0 8 to 6554 8192 1 2 NR Noise reduction NR Param CR LF NR 0 OFF 1 ON LUTC LUT Control LUTC Param CR LF LUTC CR LF 0 OFF 1 0 45 2 User LUTR LUT data Red LUTR Param CR LF LUTR CR LF Data 512 Parame...

Страница 39: ...curred PBC Select pixel black correction mode PBC Param CR LF PBC CR LF 0 Off Bypass 1 Factory area 2 User area PBR Run pixel black correction store to user area PBR Param CR LF PBR CR LF 0 Run pixel black correction store to user area Store in user setting PBS Inquire the status after pixel black correction PBS CR LF 0 Pixel black correction has not been finished yet 1 Succeeded 2 Error1 Timeout ...

Страница 40: ...LQ 200CL 39 ...

Страница 41: ...JAI A S and click LQ 200CL control tool LQ 200CL Camera Control Tool and Communication windows will open If the Communication window does not open click Help in the Download menu of Camera Control Tool and click Communication 9 3 Connect a camera If the frame grabber board is already installed in the connected PC it will appear in the Category box in the Communication port pane Click it if it is t...

Страница 42: ...on between camera and PC is completed the camera control tool shows the current camera settings 9 5 LUT setting Open the drop down menu under LUT and click User When you click LUT setting the following four windows for NIR Red Blue and Green will be opened ...

Страница 43: ...e setting parameters in HDD other memory devices The extension is cam Exit Finish the software Reload Read the setting parameters from RAM area of the camera Load settings Read the setting parameters from EEPROM area of the camera Select from Factory User 1 or User2 Store settings Read the parameters in the EEPROM area of the camera Select from User 1 or User 2 Click Line correction menu and drop ...

Страница 44: ...software The file extension is csv Save Data to File Store the LUT data set in the Control software to HDD or other memory devices The file extension is csv Load Data from Camera Load the LUT dataset in the camera to the Control software Select from User 1 or User 2 Display camera software version model name firmware version and camera ID ...

Страница 45: ...LQ 200CL 44 10 External appearance and Dimensions Fig 26 External Appearance and Dimensions ...

Страница 46: ...dually R G B NIR 9dB to 18dB Fine gain R B Adjustable range from x 0 8 to x 1 2 White balance Adjustable range 4000K to 9000K Standard color temperature 7800K Black level User setup Mode select Master mode Adjust master level and match R G B and NIR Master Green 0 to 16 LSB 8 bit output R B NIR 15 to 8 LSB 8 bit output Individual Adjust each channel individually R G B NIR 0 to 16 LSB 8 bit output ...

Страница 47: ...ns covered 1000mA internal trigger line rate 600μs max gain saturation The above data is for 12V input Note Use a power supply capable of providing more than 3A Lens Mount M52 mount Standard or Nikon F Mount Optional Maximum allowed rear protrusion on lenses M52 Mount 13mm Nikon F Mount 13 mm Flange back M52 Mount 46 5mm Nikon F Mount 46 5mm Optical axis Center 0 1mm max Operating temperature humi...

Страница 48: ...er 5 Connectors 11 2 Camera Spectral sensitivity 0 10 20 30 40 50 60 70 80 90 100 300 400 500 600 700 800 900 1000 1100 Transmittance wavelength nm LQ 200CL Spectral Response NIRch Rch Bch Gch Fig 27 Camera Spectral sensitivity ...

Страница 49: ...es Over time some pixel defects can occur This does not have a practical effect on the operation of the camera These will show up as white spots blemishes Exposure to cosmic rays can cause blemishes to appear on the image sensor Please take care to avoid exposure to cosmic rays during transportation and storage It is recommended using sea shipment instead of air flight in order to limit the influe...

Страница 50: ...ger screws may cause serious damage to the PCB inside the camera If you mount the tripod mounting plate please use the provided screws 5 Exportation When exporting this product please follow the export regulation of your own country 6 References 1 This manual and datasheet for the LQ 200CL can be downloaded from www jai com 2 Camera control software can be downloaded from www jai com 5 5 mm 0 2 mm...

Страница 51: ...is changed from 14mm to 13mm Page 6 and 45 June 2010 1 2 Update the spectral response March 2011 1 3 Correct the description of the shading compensation on page 29 NIR channel is also included Oct 2012 1 4 7 25 Change flat field to pixel gain Delete 1 in command list PGR Dec 2014 1 5 Correct default setting for PBC PGC and SDC ...

Страница 52: ...re trademarks or registered trademarks of their respective owners JAI A S cannot be held responsible for any technical or typographical errors and reserves the right to make changes to products and documentation without prior notification Europe Middle East Africa Asia Pacific Americas Phone 45 4457 8888 Fax 45 4491 3252 Phone 81 45 440 0154 Fax 81 45 440 0166 Phone toll free 1 800 445 5444 Phone ...

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