Chapter 55-21F-5-492. Digital Image Processing- shading correctionF-5-505.3.6.3 CCD Drive 0011-2249iR7105 / iR70951. CCDThe CCD used in the machine is a 1-line linear image sensor.- Number of pixels: 7400- Size of a pixel: 4.7 x 4.7 ym2. CCD DriveThe signals converted by the light-receiving block are sent out in 2 analog video signal channels (even-numbered pixels, odd-numbered pixels).F-5-515.3.6.4 CCD Drive 0011-2256iR70861. CCDThe CCD used in the machine is a 1-line linear image sensor.- Number of pixels: 7450- Size of a pixel: 4.7 x 4.7 ym2. CCD DriveThe signals converted by the light-receiving block are sent out in 2 analog video signal channels (even-numbered pixels, odd-numbered pixels).CCD (1 line each for R, G, and B)Analog imagesignalAnalog imageprocess- gain correction- offset correctionA/DconversionCCD drivecontrolA12VA5VJ101 J204J204J102 J205CCD controlsignalGain correctiondataDigital imagesignalReadercontrollerPCBOdd-numberedpixelOdd-numberedpixelsEven-numberedpixelsCCD/AP circuit10Even-numberedpixelGain correctiondataEEP-ROMSRAMCPUShading correctionDigital imagesignalCCD/APPCBReader controller PCB10Digital imagesignal8TargetvalueJ101J102J204J205 J203Direction of charge transferDirection of charge transferDirection of charge transferDirection of charge transfer3700 3699 3698 369737013702370337047400 7399 7398 7397 4 3 2 1Outputunit AOutputunit BOutputunit COutputunit DCCDshiftpulseTransfer unit AClock pulse BClock pulse DClock pulse AClock pulse CTransfer unit BTransfer unit CTransfer unit DLight-receivingunit
