66 Operational Reference Genie Monochrome Series-GigE Vision CameraUsing Flat Field CorrectionFrom the CamExpert menu bar enable Flat Field correction (Pre-Processing • Flat Field Correction • Hardware).Now when doing a live grab or snap, the incoming image is corrected by the current flat field calibration data foreach pixel.Use the menu function Tools • Flat Field Correction • Load to load in a flat field correction image frompreviously saved calibration data. CamExpert allows saving and loading calibration data for all cameras used withthe imaging system.Flat Field Correction Control via Sapera LT or GigE Vision CompliantApplicationsSaperaGenie Sapera parameters for Flat Field Correction:FlatFieldEnable = Enable Flat Field Correction {False=0, True=1}FlatFieldFormat = {RO: mono 8, mono 9, mono 10, RGB}FlatFieldWidth = read buffer widthFlatFieldHeight = read buffer heightFlatFieldGainMin = read minimum gain valueFlatFieldGainMax = read maximum gain valueFlatFieldOffsetMin = read minimum offset valueFlatFieldOffsetMax = read maximum offset valueFlatFieldGainBuffer = Flat Field correction gain data bufferFlatFieldOffsetBuffer = Flat Field correction offset data bufferSapera++ Class constructor: SapFlatField::SapFlatFieldIn CamExpert, these features are available from the “Pre-Processing” menu.XML features for Flat Field Correction:ShadingCorrectionMode = {Enable, Disable, Calibration mode}ShadingCorrectionPixelYCoordinate = Pixel Y Coordinate in the coefficient tableShadingCorrectionPixelXCoordinate = Pixel X Coordinate in the coefficient tableShadingCorrectionReplacePixel = Enable pixel replacement for current pixelShadingCorrectionGain = Gain factor (multiplier) for the current pixelShadingCorrectionOffset = Offset value added to the current pixel after the Gain multiplier
