more on 2-sensor focusing machine (5f0e3426) · Commits · Elphel / imagej-elphel

src/main/java/Aberration_Calibration.java

+85 −24

Original line number	Diff line number	Diff line
		@@ -374,9 +374,9 @@ public static MatchSimulatedPattern.DistortionParameters DISTORTION =new MatchSi
		public static PatternParameters PATTERN_PARAMETERS=new PatternParameters(
		viewMap,
		1, // initial number of stations
		3022.6, // double patternWidth; // pattern full width in mm
		2667.0, // double patternHeight; // pattern full height in mm
		41.6667, // patternHalfPeriod; // distance between opposite sign nodes
		7010.0, //3022.6, // double patternWidth; // pattern full width in mm
		3073.0, //2667.0, // double patternHeight; // pattern full height in mm
		41.570, //41.6667, // patternHalfPeriod; // distance between opposite sign nodes
		5.0 // double patternTilt; // pattern tilt (degrees) - U clockwise from X-right (V clockwise from Y-down)
		);
		// public static LensDistortionParameters LENS_DISTORTION_PARAMETERS=new LensDistortionParameters(
		@@ -450,10 +450,16 @@ public static MatchSimulatedPattern.DistortionParameters DISTORTION =new MatchSi
		// {-27.5,35.5}, // bottom left
		// {32.5,29.5}}; // bottom right
		// settings for the office wall
		{-30.5,-20.5}, // top left
		{26.5,-25.5}, // top right
		// {-30.5,-20.5}, // top left
		// {26.5,-25.5}, // top right
		// {-27.5,26.5}, // bottom left
		// {32.5,20.5}}; // bottom right

		{-32.5,-20.5}, // top left
		{30.5,-25.5}, // top right
		{-27.5,26.5}, // bottom left
		{32.5,20.5}}; // bottom right

		public static MatchSimulatedPattern.LaserPointer LASER_POINTERS= new MatchSimulatedPattern.LaserPointer (
		1.06, // public double headLasersTilt= 1.06; // degrees, right laser lower than left laser
		0.05, // minimalIntensity
		@@ -470,7 +476,7 @@ public static MatchSimulatedPattern.DistortionParameters DISTORTION =new MatchSi
		0.6, // double greenFloor; // when dividing by green, add this fraction of maximal value (decrease green accordingly)
		true, // boolean useOther=false; // when true - use red and other color, when false - only red
		true, // boolean otherGreen=true; // other color is green (false - blue)
		0.1, // public double threshold;
		0.5, // public double threshold;
		false, // public boolean swapUV; // first
		false, // public boolean flipU;
		false, // public boolean flipV;
		@@ -792,7 +798,7 @@ if (MORE_BUTTONS) {
		// if (MORE_BUTTONS) {
		addButton("Find Grid",panelFocusing,color_process);
		// }
		addButton("Select WOI",panelFocusing,color_lenses);
		// addButton("Select WOI",panelFocusing,color_lenses); // will not be used - now WOI is run-time calcualted according to specified center
		addButton("Reset Histories",panelFocusing,color_lenses);
		addButton("Motors Home",panelFocusing,color_lenses);
		addButton("Auto Pre-focus",panelFocusing,color_process);
		@@ -2652,7 +2658,8 @@ if (MORE_BUTTONS) {
		checkSerialAndRestore(); // returns true if did not change or was restored
		long startTime=System.nanoTime();
		if (!FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured) {
		if (CAMERAS.showDialog("Configure cameras interface", 1, true)){
		// if (CAMERAS.showDialog("Configure cameras interface", 1, true)){
		if (CAMERAS.showDialog("Configure cameras interface", FOCUS_MEASUREMENT_PARAMETERS.useExtraSensor?2:1, true)){
		FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured=true;
		if (!FOCUS_MEASUREMENT_PARAMETERS.getLensSerial()) return;
		// reset histories
		@@ -2673,6 +2680,22 @@ if (MORE_BUTTONS) {
		IJ.showMessage("Error","Failed to get camera image\nProcess canceled");
		return;
		}
		// Show ROI
		System.out.println("ROI="+FOCUS_MEASUREMENT_PARAMETERS.getMargins());
		if (FOCUS_MEASUREMENT_PARAMETERS.showROI) imp_sel.setRoi(FOCUS_MEASUREMENT_PARAMETERS.getMargins());

		// set all samples
		if (FOCUS_MEASUREMENT_PARAMETERS.showSamples) {
		int sampleHalfSize=FOCUS_MEASUREMENT_PARAMETERS.sampleSize/2;
		double [][][] sampleCoord=FOCUS_MEASUREMENT_PARAMETERS.sampleCoordinates(FOCUS_MEASUREMENT_PARAMETERS.result_PX0,FOCUS_MEASUREMENT_PARAMETERS.result_PY0);
		Overlay overlay=new Overlay();
		for (int i=0; i<sampleCoord.length; i++) for (int j=0; j<sampleCoord[i].length; j++) {
		int xc=(int) Math.round(sampleCoord[i][j][0]);
		int yc=(int) Math.round(sampleCoord[i][j][1]);
		overlay.add(new Roi(xc-sampleHalfSize,yc-sampleHalfSize,2sampleHalfSize,2sampleHalfSize));
		}
		imp_sel.setOverlay(overlay);
		}
		imp_sel.show();
		imp_sel.updateAndDraw();
		if (DEBUG_LEVEL>0) System.out.println("Image acquisition (@"+FOCUS_MEASUREMENT_PARAMETERS.sensorTemperature+"C) done at "+ IJ.d2s(0.000000001*(System.nanoTime()-startTime),3));
		@@ -3378,7 +3401,9 @@ if (MORE_BUTTONS) {
		MOTORS.setDebug(FOCUS_MEASUREMENT_PARAMETERS.motorDebug);

		if (FOCUS_MEASUREMENT_PARAMETERS.configureCamera) {
		if (CAMERAS.showDialog("Configure cameras interface", 1, true)) FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured=true;
		if (CAMERAS.showDialog("Configure cameras interface", FOCUS_MEASUREMENT_PARAMETERS.useExtraSensor?2:1, true)) {
		FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured=true;
		}
		}
		return;
		}
		@@ -3574,7 +3599,7 @@ if (MORE_BUTTONS) {
		if (label.equals("Focusing Acquire PSF")) {
		// FOCUS_MEASUREMENT_PARAMETERS.showDialog("Focus Measurement Parameters");
		if (!FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured) {
		if (CAMERAS.showDialog("Configure cameras interface", 1, true)){
		if (CAMERAS.showDialog("Configure cameras interface", FOCUS_MEASUREMENT_PARAMETERS.useExtraSensor?2:1, true)){
		FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured=true;
		if (!FOCUS_MEASUREMENT_PARAMETERS.getLensSerial()) return;
		// IJ.showMessage("Notice","Make sure camera is in TRIG=4 mode, JP4, correct exposure/white balance...");
		@@ -3676,9 +3701,10 @@ if (MORE_BUTTONS) {
		IJ.showMessage("Error","Image with selection is required");
		return;
		}
		Rectangle oldWOI=FOCUS_MEASUREMENT_PARAMETERS.margins;
		Rectangle oldWOI=FOCUS_MEASUREMENT_PARAMETERS.getMargins();
		System.out.println("Old WOI="+oldWOI);
		FOCUS_MEASUREMENT_PARAMETERS.margins=imp_sel.getRoi().getBounds();
		System.out.println("Setting WOI is not supported anymore, it is calculated from required center and configured margins jit");
		// FOCUS_MEASUREMENT_PARAMETERS.margins=imp_sel.getRoi().getBounds();
		return;
		}
		// addButton("Head Orientation",panelFocusing);
		@@ -3688,7 +3714,7 @@ if (MORE_BUTTONS) {
		UV_LED_LASERS.debugLevel=DEBUG_LEVEL;
		UV_LED_LASERS.setParameters(FOCUS_MEASUREMENT_PARAMETERS);
		if (!FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured) {
		if (CAMERAS.showDialog("Configure cameras interface", 1, true)){
		if (CAMERAS.showDialog("Configure cameras interface", FOCUS_MEASUREMENT_PARAMETERS.useExtraSensor?2:1, true)){
		FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured=true;
		if (!FOCUS_MEASUREMENT_PARAMETERS.getLensSerial()) return;
		// IJ.showMessage("Notice","Make sure camera is in TRIG=4 mode, JP4, correct exposure/white balance...");
		@@ -3744,7 +3770,7 @@ if (MORE_BUTTONS) {
		boolean findCenter=label.equals("Lens Center");
		DEBUG_LEVEL=MASTER_DEBUG_LEVEL;
		if (!FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured) {
		if (CAMERAS.showDialog("Configure cameras interface", 1, true)){
		if (CAMERAS.showDialog("Configure cameras interface", FOCUS_MEASUREMENT_PARAMETERS.useExtraSensor?2:1, true)){
		FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured=true;
		// IJ.showMessage("Notice","Make sure camera is in TRIG=4 mode, JP4, correct exposure/white balance...");
		if (!FOCUS_MEASUREMENT_PARAMETERS.getLensSerial()) return;
		@@ -3801,11 +3827,16 @@ if (MORE_BUTTONS) {
		System.out.println("Failed to locate optical head laser pointers");
		return;
		}
		if (DEBUG_LEVEL>1){
		if ((DEBUG_LEVEL>1) \|\| (headPointers.length <2)){
		for (int n=0;n<headPointers.length;n++) if (headPointers[n]!=null){
		System.out.println("Head pointer "+n+": X="+IJ.d2s(headPointers[n][0],2)+", Y="+IJ.d2s(headPointers[n][1],2));
		}
		}
		if (headPointers.length<2) {
		System.out.println("Failed to locate optical head laser pointers. Needed 2, "+headPointers.length+" got.");
		return;
		}

		if ((headPointers[0]!=null) && (headPointers[1]!=null)){
		headPointersTilt=180.0/Math.PI*Math.atan2(headPointers[1][1]-headPointers[0][1], headPointers[1][0]-headPointers[0][0])-LASER_POINTERS.headLasersTilt;
		if (DEBUG_LEVEL>0){
		@@ -3854,6 +3885,7 @@ if (MORE_BUTTONS) {
		if (DEBUG_LEVEL>0) System.out.println("Matched "+numAbsolutePoints+" laser pointers, grid generated at "+ IJ.d2s(0.000000001*(System.nanoTime()-startTime),3));
		imp_calibrated[imgCounter] = matchSimulatedPatternSet[imgCounter].getCalibratedPatternAsImage(imp_set[imgCounter],"grid-",numAbsolutePoints);
		}
		matchSimulatedPattern= matchSimulatedPatternSet[0]; // global matchSimulatedPattern is used for Focus/Tilt LMA and many others
		if (FOCUS_MEASUREMENT_PARAMETERS.showAcquiredImages) imp_calibrated[0].show(); // DISTORTION_PROCESS_CONFIGURATION.showGridImages
		if (findCenter){
		// Read required calibration files
		@@ -3914,6 +3946,7 @@ if (MORE_BUTTONS) {
		// Calculate Sensor Masks
		DISTORTION_CALIBRATION_DATA.debugLevel=DEBUG_LEVEL;
		DISTORTION_CALIBRATION_DATA.updateStatus=UPDATE_STATUS;

		DISTORTION_CALIBRATION_DATA.calculateSensorMasks();

		if (DEBUG_LEVEL>0) System.out.println("Starting LMA at "+ IJ.d2s(0.000000001*(System.nanoTime()-startTime),3));
		@@ -3932,6 +3965,34 @@ if (MORE_BUTTONS) {
		// Read camera parameters
		EyesisCameraParameters camPars=
		LENS_DISTORTIONS.fittingStrategy.distortionCalibrationData.eyesisCameraParameters;
		// boolean enRoundOff=true; // TODO: Move to configurable parameters
		// public double [] roundOffMask(int chn, double xCenter, double yCenter){
		if (FOCUS_MEASUREMENT_PARAMETERS.enRoundOff) {
		if (DEBUG_LEVEL>0) System.out.println("First XC="+camPars.eyesisSubCameras[stationNumber][0].px0+
		"\n YC="+camPars.eyesisSubCameras[stationNumber][0].py0);
		DISTORTION_CALIBRATION_DATA.roundOffMask(
		0, // int chn,
		camPars.eyesisSubCameras[stationNumber][0].px0, // double xCenter,
		camPars.eyesisSubCameras[stationNumber][0].py0); // double yCenter);
		if (DEBUG_LEVEL>0) System.out.println("Starting second LMA at "+ IJ.d2s(0.000000001*(System.nanoTime()-startTime),3));

		LENS_DISTORTIONS.seriesNumber= 1; // start from 1; (no need to repeat series 1)
		LENS_DISTORTIONS.stopEachStep= false;
		LENS_DISTORTIONS.stopEachSeries= false;

		// TODO: configure through FOCUS_MEASUREMENT_PARAMETERS
		LENS_DISTORTIONS.thresholdFinish=FOCUS_MEASUREMENT_PARAMETERS.thresholdFinish;
		LENS_DISTORTIONS.numIterations=FOCUS_MEASUREMENT_PARAMETERS.numIterations;

		LENS_DISTORTIONS.LevenbergMarquardt(false); // skip dialog
		if (DEBUG_LEVEL>0) System.out.println("Finished second LMA at "+ IJ.d2s(0.000000001*(System.nanoTime()-startTime),3));
		if (!FOCUS_MEASUREMENT_PARAMETERS.keepCircularMask) {
		DISTORTION_CALIBRATION_DATA.calculateSensorMasks(); // TODO: save/restore original mask for channel 0
		if (DEBUG_LEVEL>0) System.out.println("Recalculated sensor masks at "+ IJ.d2s(0.000000001*(System.nanoTime()-startTime),3));
		}
		}


		double threadPitch=0.35; // M1.6
		double dPx0=camPars.eyesisSubCameras[stationNumber][0].px0-(camPars.sensorWidth/2)-FOCUS_MEASUREMENT_PARAMETERS.centerDeltaX;
		double dPy0=camPars.eyesisSubCameras[stationNumber][0].py0-(camPars.sensorHeight/2)-FOCUS_MEASUREMENT_PARAMETERS.centerDeltaY;
		@@ -4044,7 +4105,7 @@ if (MORE_BUTTONS) {
		boolean autoMove=label.equals("Auto Pre-focus");
		DEBUG_LEVEL=MASTER_DEBUG_LEVEL;
		if (!FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured) {
		if (CAMERAS.showDialog("Configure cameras interface", 1, true)){
		if (CAMERAS.showDialog("Configure cameras interface", FOCUS_MEASUREMENT_PARAMETERS.useExtraSensor?2:1, true)){
		FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured=true;
		if (!FOCUS_MEASUREMENT_PARAMETERS.getLensSerial()) return;
		// IJ.showMessage("Notice","Make sure camera is in TRIG=4 mode, JP4, correct exposure/white balance...");
		@@ -4391,7 +4452,7 @@ if (MORE_BUTTONS) {
		boolean fineFocus=label.equals("Fine Focus");
		DEBUG_LEVEL=MASTER_DEBUG_LEVEL;
		if (!FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured) {
		if (CAMERAS.showDialog("Configure cameras interface", 1, true)){
		if (CAMERAS.showDialog("Configure cameras interface", FOCUS_MEASUREMENT_PARAMETERS.useExtraSensor?2:1, true)){
		FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured=true;
		if (!FOCUS_MEASUREMENT_PARAMETERS.getLensSerial()) return;
		// IJ.showMessage("Notice","Make sure camera is in TRIG=4 mode, JP4, correct exposure/white balance...");
		@@ -4600,7 +4661,7 @@ if (MORE_BUTTONS) {
		MOTORS.setDebug(FOCUS_MEASUREMENT_PARAMETERS.motorDebug);
		DEBUG_LEVEL=MASTER_DEBUG_LEVEL;
		if (!FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured) {
		if (CAMERAS.showDialog("Configure cameras interface", 1, true)){
		if (CAMERAS.showDialog("Configure cameras interface", FOCUS_MEASUREMENT_PARAMETERS.useExtraSensor?2:1, true)){
		FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured=true;
		if (!FOCUS_MEASUREMENT_PARAMETERS.getLensSerial()) return;
		// IJ.showMessage("Notice","Make sure camera is in TRIG=4 mode, JP4, correct exposure/white balance...");
		@@ -4954,7 +5015,7 @@ if (MORE_BUTTONS) {
		}
		FOCUSING_FIELD.setDebugLevel(DEBUG_LEVEL);
		if (!FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured) {
		if (CAMERAS.showDialog("Configure cameras interface", 1, true)){
		if (CAMERAS.showDialog("Configure cameras interface", FOCUS_MEASUREMENT_PARAMETERS.useExtraSensor?2:1, true)){
		FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured=true;
		if (!FOCUS_MEASUREMENT_PARAMETERS.getLensSerial()) return;
		// reset histories
		@@ -5411,7 +5472,7 @@ if (MORE_BUTTONS) {
		if (label.equals("No-move measure")) {
		DEBUG_LEVEL=MASTER_DEBUG_LEVEL;
		if (!FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured) {
		if (CAMERAS.showDialog("Configure cameras interface", 1, true)){
		if (CAMERAS.showDialog("Configure cameras interface", FOCUS_MEASUREMENT_PARAMETERS.useExtraSensor?2:1, true)){
		FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured=true;
		if (!FOCUS_MEASUREMENT_PARAMETERS.getLensSerial()) return;
		// reset histories
		@@ -5982,7 +6043,7 @@ if (MORE_BUTTONS) {
		MOTORS.setDebug(FOCUS_MEASUREMENT_PARAMETERS.motorDebug);

		if (FOCUS_MEASUREMENT_PARAMETERS.configureCamera) {
		if (CAMERAS.showDialog("Configure cameras interface", 1, true)) FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured=true;
		if (CAMERAS.showDialog("Configure cameras interface", FOCUS_MEASUREMENT_PARAMETERS.useExtraSensor?2:1, true)) FOCUS_MEASUREMENT_PARAMETERS.cameraIsConfigured=true;
		}
		*/
		return;
		@@ -10404,7 +10465,7 @@ if (MORE_BUTTONS) {
		if (DEBUG_LEVEL>0) System.out.println("Autolading grid file "+configPaths[2]);
		patternParameters.selectAndRestore(true,configPaths[2],dcd.eyesisCameraParameters.numStations); // returns path or null on failure
		}
		if (configPaths[3] !=null){ // load sensor
		if ((configPaths[3] !=null) && (configPaths[3] != "")){ // load sensor
		if (distortions.fittingStrategy==null) return false;
		if (DEBUG_LEVEL>0) System.out.println("Autoloading sensor calibration files "+configPaths[3]);
		distortions.setDistortionFromImageStack(

src/main/java/CalibrationHardwareInterface.java

+10 −2

Original line number	Diff line number	Diff line
		@@ -161,6 +161,8 @@ public class CalibrationHardwareInterface {
		private int [][] channelMap1={ // ip index, channel number
		// {0,-1}}; // negative channel - single camera
		{0,0}}; // Try with 0
		private int [][] channelMap2={ // ip index, channel number
		{0,0},{0,1}};
		private int [][] channelMap3={ // ip index, channel number
		// {0,-1}}; // negative channel - single camera
		{0,0},{1,0},{2,0}};
		@@ -260,9 +262,15 @@ public class CalibrationHardwareInterface {
		private void initDefaultMap(int size){
		this.channelMap=new int [size][];
		this.flipImages=new boolean[size];
		if (size==1) {
		if (size==1) { // single camera - old lens focusing
		this.channelMap[0]=channelMap1[0].clone();
		this.flipImages[0]=true;
		} else if (size==2){ // New lens focusing machine
		this.channelMap[0]=channelMap2[0].clone();
		this.flipImages[0]=true; // main sensor under test
		this.channelMap[1]=channelMap2[1].clone();
		this.flipImages[1]=false; // extra sensor for location

		} else if (size==3){
		for (int i=0;i<size;i++){
		this.flipImages[i]=false;
		@@ -1829,7 +1837,7 @@ public class CalibrationHardwareInterface {
		public String [] groups={"heater","fan","light","light1","light2"};
		public int debugLevel=1;
		private String powerIP="192.168.0.80";
		private double lightsDelay=5.0;
		private double lightsDelay=1.0;
		private final String urlFormat="http://%s/insteon/index.php?cmd=%s&group=%s&timestamp=%d";
		private final String rootElement="Document";
		public boolean powerConrtolEnabled=false;

src/main/java/DistortionCalibrationData.java

+61 −0

Original line number	Diff line number	Diff line
		@@ -3123,6 +3123,67 @@ import org.apache.commons.configuration.XMLConfiguration;
		}
		return this.sensorMasks;
		}


		/**
		* Create round mask inside the actual one, with the provided center. Blur result with the same sigma as original
		* @param chn sensor number
		* @param xCenter X of the center (before decimation)
		* @param yCenter Y of the center (before decimation)
		* @return this channel mask, also sets the round mask instead of the original
		*/
		public double [] roundOffMask(int chn, double xCenter, double yCenter){
		int dWidth= (eyesisCameraParameters.sensorWidth -1)/eyesisCameraParameters.decimateMasks+1;
		int dHeight= (eyesisCameraParameters.sensorHeight-1)/eyesisCameraParameters.decimateMasks+1;
		DoubleGaussianBlur gb=new DoubleGaussianBlur();

		int iXC=(int) Math.round(xCenter/eyesisCameraParameters.decimateMasks);
		int iYC=(int) Math.round(yCenter/eyesisCameraParameters.decimateMasks);
		// int dcW=eyesisCameraParameters.sensorWidth/eyesisCameraParameters.decimateMasks;
		// int dcH=eyesisCameraParameters.sensorHeight/eyesisCameraParameters.decimateMasks;
		double r0=iXC;
		r0 = Math.min(r0, iYC);
		r0 = Math.min(r0, dWidth - iXC);
		r0 = Math.min(r0, dHeight - iYC);
		int ir02=(int) Math.round(r0*r0);
		System.out.println("iXC="+iXC);
		System.out.println("iYC="+iYC);
		System.out.println("initial ir02="+ir02+ "("+Math.sqrt(ir02)+")");
		for (int i = 0; i < this.sensorMasks[chn].length; i++) if (this.sensorMasks[chn][i]<0.5) {
		int ix = (i % dWidth) - iXC;
		int iy = (i / dWidth) - iYC;
		int ir2=ixix + iyiy;
		if (ir2 < ir02) ir02 = ir2;
		}
		System.out.println("second ir02="+ir02+ "("+Math.sqrt(ir02)+")");
		double [] mask= new double[this.sensorMasks[chn].length];
		for (int i = 0; i < mask.length; i++) {
		int ix = (i % dWidth) - iXC;
		int iy = (i / dWidth) - iYC;
		mask[i]=((ixix + iyiy) > ir02)?0.0:1.0;
		}
		// blur result
		double [][] preMask=preCalculateSingleImageMask(chn,
		eyesisCameraParameters.decimateMasks,
		eyesisCameraParameters.sensorWidth,
		eyesisCameraParameters.sensorHeight,
		eyesisCameraParameters.shrinkGridForMask);

		if (preMask==null) return null; //nothing in this channel
		double rAverage=preMask[0][0];
		double rAverageNum=preMask[0][1];
		if (rAverageNum==0.0) return null; // nothing to blur/process for this channel
		rAverage/=rAverageNum; // average distance to the fartherst node from the current
		double sigma = eyesisCameraParameters.maskBlurSigma;
		if(sigma<0) sigma*=-rAverage;
		gb.blurDouble(mask, dWidth, dHeight, sigma/eyesisCameraParameters.decimateMasks, sigma/eyesisCameraParameters.decimateMasks, 0.01);
		for (int i=0;i < mask.length;i++){
		this.sensorMasks[chn][i] = Math.min(this.sensorMasks[chn][i],mask[i]);
		}
		return this.sensorMasks[chn];
		}


		public double [] calculateImageGridMask(int imgNum) {
		return calculateImageGridMask(
		imgNum,

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