/**
* Calculate the Rand index between some 2D original labels and the corresponding proposed labels.
* Both image are binarized. We follow the definition of Rand index as described by William M.
* Rand \cite{Rand71}.
*
* <p>BibTeX:
*
* <pre>
* @article{Rand71,
* author = {William M. Rand},
* title = {Objective criteria for the evaluation of clustering methods},
* journal = {Journal of the American Statistical Association},
* year = {1971},
* volume = {66},
* number = {336},
* pages = {846--850},
* doi = {10.2307/2284239)
* }
* </pre>
*
* @param label 2D image with the original labels
* @param proposal 2D image with the proposed labels
* @param binaryThreshold threshold value to binarize the input images
* @return rand index value and derived statistics
*/
public ClassificationStatistics randIndexStats(
ImageProcessor label, ImageProcessor proposal, double binaryThreshold) {
// Binarize inputs
ByteProcessor binaryLabel = new ByteProcessor(label.getWidth(), label.getHeight());
ByteProcessor binaryProposal = new ByteProcessor(label.getWidth(), label.getHeight());
for (int x = 0; x < label.getWidth(); x++)
for (int y = 0; y < label.getHeight(); y++) {
binaryLabel.set(x, y, label.getPixelValue(x, y) > binaryThreshold ? 255 : 0);
binaryProposal.set(x, y, proposal.getPixelValue(x, y) > binaryThreshold ? 255 : 0);
}
// Find components
ShortProcessor components1 =
(ShortProcessor)
Utils.connectedComponents(new ImagePlus("binary labels", binaryLabel), 4)
.allRegions
.getProcessor();
ShortProcessor components2 =
(ShortProcessor)
Utils.connectedComponents(new ImagePlus("proposal labels", binaryProposal), 4)
.allRegions
.getProcessor();
return getRandIndexStats(components1, components2);
}
public void run(String arg) {
int[] wList = WindowManager.getIDList();
if (wList == null) {
IJ.error("No images are open.");
return;
}
double thalf = 0.5;
boolean keep;
GenericDialog gd = new GenericDialog("Bleach correction");
gd.addNumericField("t½:", thalf, 1);
gd.addCheckbox("Keep source stack:", true);
gd.showDialog();
if (gd.wasCanceled()) return;
long start = System.currentTimeMillis();
thalf = gd.getNextNumber();
keep = gd.getNextBoolean();
if (keep) IJ.run("Duplicate...", "title='Bleach corrected' duplicate");
ImagePlus imp1 = WindowManager.getCurrentImage();
int d1 = imp1.getStackSize();
double v1, v2;
int width = imp1.getWidth();
int height = imp1.getHeight();
ImageProcessor ip1, ip2, ip3;
int slices = imp1.getStackSize();
ImageStack stack1 = imp1.getStack();
ImageStack stack2 = imp1.getStack();
int currentSlice = imp1.getCurrentSlice();
for (int n = 1; n <= slices; n++) {
ip1 = stack1.getProcessor(n);
ip3 = stack1.getProcessor(1);
ip2 = stack2.getProcessor(n);
for (int x = 0; x < width; x++) {
for (int y = 0; y < height; y++) {
v1 = ip1.getPixelValue(x, y);
v2 = ip3.getPixelValue(x, y);
// =B8/(EXP(-C$7*A8))
v1 = (v1 / Math.exp(-n * thalf));
ip2.putPixelValue(x, y, v1);
}
}
IJ.showProgress((double) n / slices);
IJ.showStatus(n + "/" + slices);
}
// stack2.show();
imp1.updateAndDraw();
}
// get a pixel value; returns Float.NaN if outside the field.
private float getPixel(int x, int y) {
if (x < 0 || x >= width || y < 0 || y >= height) return Float.NaN;
if (bpixels != null) return bpixels[y * width + x] & 0xff;
else if (spixels != null) return spixels[y * width + x] & 0xffff;
else if (fpixels != null) return fpixels[y * width + x];
else if (exactPixelValue) // RGB for exact match
return cpixels[y * width + x] & 0xffffff; // don't care for upper byte
else // gray value of RGB
return ip.getPixelValue(x, y);
}
void avg_col(ImageProcessor ip) {
float sum; // sum of pixel values column
float avg; // average pixel value of a column
float[] sliceavgs = new float[width]; // means across columns of one slice
int sliceNumber = ip.getSliceNumber() - 1; // slice number
for (int x = 0; x < width; x += 1) {
sum = 0; // reset with each column
avg = 0; // reset with each column
for (int y = 0; y < height; y += 1) {
sum = sum + ip.getPixelValue(x, y);
}
avg = sum / height;
sliceavgs[x] = avg; // building array of means
}
this.slicecols[sliceNumber] = sliceavgs; // add this slice's means to array
}
public OpenCLVolumeRenderer(ImagePlus image) {
super(
new byte[image.getWidth() * image.getHeight() * image.getStackSize() / image.getNFrames()],
image.getWidth(),
image.getHeight(),
image.getStackSize() / image.getNFrames(),
false);
transferFunc =
new float[] {
0.0f, 0.0f, 0.0f, 0.0f,
1.0f, 1.0f, 1.0f, 1.0f,
0.0f, 0.0f, 0.0f, 0.0f,
};
minmax = ImageUtil.minAndMaxOfImageProcessor(image);
minmax[1] *= 1.05;
if (image.getNFrames() == 1) multiFrameMode = false;
else multiFrameMode = true;
nFrames = image.getNFrames();
// Create the image array
clImages = new ArrayList<CLImage3d<IntBuffer>>(image.getNFrames());
// rewrite imagePlus container into nFrames single byte volumes
volumes = new byte[image.getNFrames()][volumeSize[2] * volumeSize[1] * volumeSize[0]];
for (int n = 0; n < image.getNFrames(); n++) {
for (int k = 0; k < volumeSize[2]; k++) {
ImageProcessor img = image.getStack().getProcessor((n * volumeSize[2]) + k + 1);
for (int i = 0; i < image.getWidth(); i++) {
for (int j = 0; j < image.getHeight(); j++) {
setVoxel(volumes[n], i, j, k, img.getPixelValue(i, j));
}
}
}
}
initialized = false;
// System.out.println("init");
frame.setTitle("Volume: " + image.getTitle());
}
/**
* Returns image in units of adjusted count-rate (Klimpki et al., 2016), i.e. compensated for
* laser power and dwell time. If requested, non-linearities in laser-power compensation are
* considered.
*
* @param img Input image
* @param dwell_time Pixel dwell time, unit will match rate (i.e. us --> MHz)
* @param laser_power Percentage laser power,
* @param laser_exponent Exponent of laser-power compensation non-linearity, referred to 10%
* percentage laser power. Equals 0.0 for perfect linearity
* @return
*/
public static ImagePlus getAdjustedCountrateImage(
ImagePlus img, double dwell_time, double laser_power, double laser_exponent) {
boolean silent = (IJ.getInstance() == null);
int nX = img.getWidth();
int nY = img.getHeight();
int nSlices = img.getNSlices();
int nFrames = img.getNFrames();
int nChannels = img.getNChannels();
ImageStack resIms = new ImageStack(nX, nY);
FloatProcessor fp;
ImageProcessor ip1;
int total = nSlices * nFrames * nChannels;
double prog = 0;
if (silent) {
System.out.println("DWELL-TIME/LASER-POWER COMPENSATION");
} else {
IJ.showStatus("DWELL-TIME/LASER-POWER COMPENSATION");
}
for (int i = 0; i < nChannels; i++) {
for (int j = 0; j < nFrames; j++) {
for (int k = 0; k < nSlices; k++) {
if (silent) {
FNTDprogress.updateProgress(prog / total);
} else {
IJ.showProgress(prog / total);
}
prog++;
img.setPosition(i + 1, k + 1, j + 1);
ip1 = img.getProcessor();
fp = new FloatProcessor(nX, nY);
double laser_factor = Math.pow(laser_power / 0.10, laser_exponent);
for (int m = 0; m < nX; m++) {
for (int n = 0; n < nY; n++) {
fp.putPixelValue(
m, n, ip1.getPixelValue(m, n) * laser_factor / (laser_power * dwell_time));
}
}
resIms.addSlice(fp);
}
}
}
FNTDprogress.updateProgress(1);
System.out.println("");
ImagePlus resImp = new ImagePlus(img.getTitle() + " (adj. count-rate)", resIms);
if (resIms.getSize() > 1) {
resImp =
HyperStackConverter.toHyperStack(
resImp, nChannels, nSlices, nFrames, "xyztc", "grayscale");
}
return (resImp);
}
/**
* Returns saturation corrected version of the input image. A simple, one-parametric
* exponential-saturation function with characteristic saturation rate is used (see Greilich et
* al., 2013; Klimpki et al., 2016)
*
* @param img Input image
* @param dwell_time Pixel dwell time, unit has to match saturation_rate
* @param saturation_rate Characteristic saturation rate, unit has to match dwell_time
* @return
*/
public static ImagePlus saturationCorrection(
ImagePlus img, double dwell_time, double saturation_rate) {
boolean silent = (IJ.getInstance() == null);
int nX = img.getWidth();
int nY = img.getHeight();
int nSlices = img.getNSlices();
int nFrames = img.getNFrames();
int nChannels = img.getNChannels();
ImageStack resIms = new ImageStack(nX, nY);
FloatProcessor fp;
ImageProcessor ip1;
int total = nSlices * nFrames * nChannels;
double prog = 0;
if (silent) {
System.out.println("SATURATION CORRECTION");
} else {
IJ.showStatus("SATURATION CORRECTION");
}
for (int i = 0; i < nChannels; i++) {
for (int j = 0; j < nFrames; j++) {
for (int k = 0; k < nSlices; k++) {
if (silent) {
FNTDprogress.updateProgress(prog / total);
} else {
IJ.showProgress(prog / total);
}
prog++;
img.setPosition(i + 1, k + 1, j + 1);
ip1 = img.getProcessor();
fp = new FloatProcessor(nX, nY);
double count_rate;
for (int m = 0; m < nX; m++) {
for (int n = 0; n < nY; n++) {
count_rate = ip1.getPixelValue(m, n);
count_rate = 1.0 - count_rate / (dwell_time * saturation_rate);
count_rate = -1.0 * saturation_rate * dwell_time * log(count_rate);
fp.putPixelValue(m, n, count_rate);
}
}
resIms.addSlice(fp);
}
}
}
FNTDprogress.updateProgress(1);
System.out.println("");
ImagePlus resImp = new ImagePlus(img.getTitle() + " (sat. corrected)", resIms);
if (resIms.getSize() > 1) {
resImp =
HyperStackConverter.toHyperStack(
resImp, nChannels, nSlices, nFrames, "xyztc", "grayscale");
}
return (resImp);
}
public static ImagePlus subtract(ImagePlus a, ImagePlus b) {
boolean silent = (IJ.getInstance() == null);
int nX = a.getWidth();
int nY = a.getHeight();
int nSlices = a.getNSlices();
int nFrames = a.getNFrames();
int nChannels = a.getNChannels();
if ((nX != b.getWidth())
|| (nY != b.getHeight())
|| (nSlices != b.getNSlices())
|| (nFrames != b.getNFrames())
|| (nChannels != b.getNChannels())) {
if (silent) {
System.out.println("Subtract: image dimensions do not match, return nothing.");
} else {
IJ.showMessage("Subtract: image dimensions do not match, return nothing.");
}
}
ImageStack resIms = new ImageStack(nX, nY);
FloatProcessor fp;
ImageProcessor ip1, ip2;
int total = nSlices * nFrames * nChannels;
double prog = 0;
if (silent) {
System.out.println("SUBSTRACTING BACKGROUND");
} else {
IJ.showStatus("SUBSTRACTING BACKGROUND");
}
for (int i = 0; i < nChannels; i++) {
for (int j = 0; j < nFrames; j++) {
for (int k = 0; k < nSlices; k++) {
if (silent) {
FNTDprogress.updateProgress(prog / total);
} else {
IJ.showProgress(prog / total);
}
prog++;
a.setPosition(i + 1, k + 1, j + 1);
b.setPosition(i + 1, k + 1, j + 1);
ip1 = a.getProcessor();
ip2 = b.getProcessor();
fp = new FloatProcessor(nX, nY);
for (int m = 0; m < nX; m++) {
for (int n = 0; n < nY; n++) {
fp.putPixelValue(m, n, ip1.getPixelValue(m, n) - ip2.getPixelValue(m, n));
}
}
resIms.addSlice(fp);
}
}
}
FNTDprogress.updateProgress(1);
System.out.println("");
ImagePlus resImp = new ImagePlus("Result of" + a.getTitle() + "-" + b.getTitle(), resIms);
if (resIms.getSize() > 1) {
resImp =
HyperStackConverter.toHyperStack(
resImp, nChannels, nSlices, nFrames, "xyztc", "grayscale");
}
return (resImp);
}
public void run(String arg) {
int[] wList = WindowManager.getIDList();
if (wList==null) {
IJ.error("No images are open.");
return;
}
double kernel=3;
double kernelsum = 0;
double kernelvarsum =0;
double kernalvar = 0;
double sigmawidth = 2;
int kernelindex, minpixnumber;
String[] kernelsize = { "3�,"5�, "7�, "9�};
GenericDialog gd = new GenericDialog("Sigma Filter");
gd.addChoice("Kernel size", kernelsize, kernelsize[0]);
gd.addNumericField("Sigma width",sigmawidth , 2);
gd.addNumericField("Minimum number of pixels", 1, 0);
gd.addCheckbox("Keep source:",true);
gd.addCheckbox("Do all stack:",true);
gd.addCheckbox("Modified Lee's FIlter:",true);
gd.showDialog();
if (gd.wasCanceled()) return ;
kernelindex = gd.getNextChoiceIndex();
sigmawidth = gd.getNextNumber();
minpixnumber = ((int)gd.getNextNumber());
boolean keep = gd.getNextBoolean();
boolean doallstack = gd.getNextBoolean();
boolean modified = gd.getNextBoolean();
if (kernelindex==0) kernel = 3;
if (kernelindex==1) kernel = 5;
if (kernelindex==2) kernel = 7;
if (kernelindex==3) kernel = 9;
long start = System.currentTimeMillis();
if (minpixnumber> (kernel*kernel)){
IJ.showMessage("Sigma filter", "There must be more pixels in the kernel than+\n" + "the minimum number to be included");
return;
}
double v, midintensity;
int x, y, ix, iy;
double sum = 0;
double backupsum =0;
int count = 0;
int n = 0;
if (keep) {IJ.run("Select All"); IJ.run("Duplicate...", "title='Sigma filtered' duplicate");}
int radius = (int)(kernel-1)/2;
ImagePlus imp = WindowManager.getCurrentImage();
ImageStack stack1 = imp.getStack();
int width = imp.getWidth();
int height = imp.getHeight();
int nslices = stack1.getSize();
int cslice = imp.getCurrentSlice();
double status = width*height*nslices;
ImageProcessor ip = imp.getProcessor();
int sstart = 1;
if (!doallstack) {sstart = cslice; nslices=sstart;status = status/nslices;};
for (int i=sstart; i<=nslices; i++) {
imp.setSlice(i);
for (x=radius;x<width+radius;x++) {
for (y=radius;y<height+radius;y++) {
midintensity = ip.getPixelValue(x,y);
count = 0;
sum = 0;
kernelsum =0;
kernalvar =0;
kernelvarsum =0;
backupsum = 0;
//calculate mean of kernel value
for (ix=0;ix<kernel;ix++) {
for (iy=0;iy<kernel;iy++) {
v = ip.getPixelValue(x+ix-radius,y+iy-radius);
kernelsum = kernelsum+v;
}
}
double sigmacalcmean = (kernelsum/(kernel*kernel));
//calculate variance of kernel
for (ix=0;ix<kernel;ix++) {
for (iy=0;iy<kernel;iy++) {
v = ip.getPixelValue(x+ix-radius,y+iy-radius);
kernalvar = (v-sigmacalcmean)*(v-sigmacalcmean);
kernelvarsum = kernelvarsum + kernalvar;
}
}
//double variance = kernelvarsum/kernel;
double sigmacalcvar = kernelvarsum/((kernel*kernel)-1);
//calcuate sigma range = sqrt(variance/(mean^2)) � sigmawidth
double sigmarange = sigmawidth*(Math.sqrt((sigmacalcvar) /(sigmacalcmean*sigmacalcmean)));
//calulate sigma top value and bottom value
double sigmatop = midintensity*(1+sigmarange);
double sigmabottom = midintensity*(1-sigmarange);
//calculate mean of values that differ are in sigma range.
for (ix=0;ix<kernel;ix++) {
for (iy=0;iy<kernel;iy++) {
v = ip.getPixelValue(x+ix-radius,y+iy-radius);
if ((v>=sigmabottom)&&(v<=sigmatop)){
sum = sum+v;
count = count+1; }
backupsum = v+ backupsum;
}
}
//if there are too few pixels in the kernal that are within sigma range, the
//mean of the entire kernal is taken. My modification of Lee's filter is to exclude the central value
//from the calculation of the mean as I assume it to be spuriously high or low
if (!(count>(minpixnumber)))
{sum = (backupsum-midintensity);
count = (int)((kernel*kernel)-1);
if (!modified)
{sum = (backupsum);
count = (int)(kernel*kernel);}
}
double val = (sum/count);
ip.putPixelValue(x,y, val);
n = n+1;
double percentage = (((double)n/status)*100);
IJ.showStatus(IJ.d2s(percentage,0) +"% done");
}
// IJ.showProgress(i, status);
}}
imp.updateAndDraw();
IJ.showStatus(IJ.d2s((System.currentTimeMillis()-start)/1000.0, 2)+" seconds"); }
/**
* Performs particle analysis on the specified ImagePlus and ImageProcessor. Returns false if
* there is an error.
*/
public boolean analyze(ImagePlus imp, ImageProcessor ip) {
if (this.imp == null) this.imp = imp;
showResults = (options & SHOW_RESULTS) != 0;
excludeEdgeParticles = (options & EXCLUDE_EDGE_PARTICLES) != 0;
resetCounter = (options & CLEAR_WORKSHEET) != 0;
showProgress = (options & SHOW_PROGRESS) != 0;
floodFill = (options & INCLUDE_HOLES) == 0;
recordStarts = (options & RECORD_STARTS) != 0;
addToManager = (options & ADD_TO_MANAGER) != 0;
displaySummary = (options & DISPLAY_SUMMARY) != 0;
inSituShow = (options & IN_SITU_SHOW) != 0;
outputImage = null;
ip.snapshot();
ip.setProgressBar(null);
if (Analyzer.isRedirectImage()) {
redirectImp = Analyzer.getRedirectImage(imp);
if (redirectImp == null) return false;
int depth = redirectImp.getStackSize();
if (depth > 1 && depth == imp.getStackSize()) {
ImageStack redirectStack = redirectImp.getStack();
redirectIP = redirectStack.getProcessor(imp.getCurrentSlice());
} else redirectIP = redirectImp.getProcessor();
} else if (imp.getType() == ImagePlus.COLOR_RGB) {
ImagePlus original = (ImagePlus) imp.getProperty("OriginalImage");
if (original != null
&& original.getWidth() == imp.getWidth()
&& original.getHeight() == imp.getHeight()) {
redirectImp = original;
redirectIP = original.getProcessor();
}
}
if (!setThresholdLevels(imp, ip)) return false;
width = ip.getWidth();
height = ip.getHeight();
if (!(showChoice == NOTHING || showChoice == OVERLAY_OUTLINES || showChoice == OVERLAY_MASKS)) {
blackBackground = Prefs.blackBackground && inSituShow;
if (slice == 1) outlines = new ImageStack(width, height);
if (showChoice == ROI_MASKS) drawIP = new ShortProcessor(width, height);
else drawIP = new ByteProcessor(width, height);
drawIP.setLineWidth(lineWidth);
if (showChoice == ROI_MASKS) {
} // Place holder for now...
else if (showChoice == MASKS && !blackBackground) drawIP.invertLut();
else if (showChoice == OUTLINES) {
if (!inSituShow) {
if (customLut == null) makeCustomLut();
drawIP.setColorModel(customLut);
}
drawIP.setFont(new Font("SansSerif", Font.PLAIN, fontSize));
if (fontSize > 12 && inSituShow) drawIP.setAntialiasedText(true);
}
outlines.addSlice(null, drawIP);
if (showChoice == ROI_MASKS || blackBackground) {
drawIP.setColor(Color.black);
drawIP.fill();
drawIP.setColor(Color.white);
} else {
drawIP.setColor(Color.white);
drawIP.fill();
drawIP.setColor(Color.black);
}
}
calibration = redirectImp != null ? redirectImp.getCalibration() : imp.getCalibration();
if (rt == null) {
rt = Analyzer.getResultsTable();
analyzer = new Analyzer(imp);
} else analyzer = new Analyzer(imp, measurements, rt);
if (resetCounter && slice == 1) {
if (!Analyzer.resetCounter()) return false;
}
beginningCount = Analyzer.getCounter();
byte[] pixels = null;
if (ip instanceof ByteProcessor) pixels = (byte[]) ip.getPixels();
if (r == null) {
r = ip.getRoi();
mask = ip.getMask();
if (displaySummary) {
if (mask != null) totalArea = ImageStatistics.getStatistics(ip, AREA, calibration).area;
else totalArea = r.width * calibration.pixelWidth * r.height * calibration.pixelHeight;
}
}
minX = r.x;
maxX = r.x + r.width;
minY = r.y;
maxY = r.y + r.height;
if (r.width < width || r.height < height || mask != null) {
if (!eraseOutsideRoi(ip, r, mask)) return false;
}
int offset;
double value;
int inc = Math.max(r.height / 25, 1);
int mi = 0;
ImageWindow win = imp.getWindow();
if (win != null) win.running = true;
if (measurements == 0) measurements = Analyzer.getMeasurements();
if (showChoice == ELLIPSES) measurements |= ELLIPSE;
measurements &= ~LIMIT; // ignore "Limit to Threshold"
roiNeedsImage =
(measurements & PERIMETER) != 0
|| (measurements & SHAPE_DESCRIPTORS) != 0
|| (measurements & FERET) != 0;
particleCount = 0;
wand = new Wand(ip);
pf = new PolygonFiller();
if (floodFill) {
ImageProcessor ipf = ip.duplicate();
ipf.setValue(fillColor);
ff = new FloodFiller(ipf);
}
roiType = Wand.allPoints() ? Roi.FREEROI : Roi.TRACED_ROI;
for (int y = r.y; y < (r.y + r.height); y++) {
offset = y * width;
for (int x = r.x; x < (r.x + r.width); x++) {
if (pixels != null) value = pixels[offset + x] & 255;
else if (imageType == SHORT) value = ip.getPixel(x, y);
else value = ip.getPixelValue(x, y);
if (value >= level1 && value <= level2) analyzeParticle(x, y, imp, ip);
}
if (showProgress && ((y % inc) == 0)) IJ.showProgress((double) (y - r.y) / r.height);
if (win != null) canceled = !win.running;
if (canceled) {
Macro.abort();
break;
}
}
if (showProgress) IJ.showProgress(1.0);
if (showResults) rt.updateResults();
imp.killRoi();
ip.resetRoi();
ip.reset();
if (displaySummary && IJ.getInstance() != null) updateSliceSummary();
if (addToManager && roiManager != null) roiManager.setEditMode(imp, true);
maxParticleCount = (particleCount > maxParticleCount) ? particleCount : maxParticleCount;
totalCount += particleCount;
if (!canceled) showResults();
return true;
}