use of gdsc.smlm.ij.results.IJImagePeakResults in project GDSC-SMLM by aherbert.
the class PeakFit method initialiseFitting.
/**
* Set-up the fitting using all the configured properties. Prepare the output results.
*/
public boolean initialiseFitting() {
if (source == null)
return false;
// Do this to ensure the serialised configuration is correct
updateFitConfiguration(config);
results.setSource(source);
if (maximaIdentification)
results.setName(source.getName() + " (Maxima)");
else if (fitMaxima)
results.setName(source.getName() + " (" + getSolverName() + " Fit Maxima)");
else
results.setName(source.getName() + " (" + getSolverName() + ")");
results.setBounds(bounds);
Calibration cal = calibration.clone();
// Account for the frame integration
// TODO - Should we change this so that if integrate frames is used then the data
// are converted to ExtendedPeakResult with a start and end frame
//cal.exposureTime *= integrateFrames;
//if (interlacedData)
//{
// cal.exposureTime *= ((double)dataBlock / (dataBlock + dataSkip));
//}
results.setCalibration(cal);
results.setConfiguration(XmlUtils.toXML(config));
addMemoryResults(results, false);
addImageResults(results);
addFileResults(results);
addTableResults(results);
addDefaultResults(results);
results.begin();
if (simpleFit && showImage) {
for (PeakResults r : results.toArray()) {
if (r instanceof IJImagePeakResults) {
ImagePlus i = ((IJImagePeakResults) r).getImagePlus();
Utils.log("Super-resolution image title = " + i.getTitle());
WindowManager.toFront(i.getWindow());
}
}
}
return true;
}
use of gdsc.smlm.ij.results.IJImagePeakResults in project GDSC-SMLM by aherbert.
the class FRCTest method canComputeMirrored.
@Test
public void canComputeMirrored() {
// Sample lines through an image to create a structure.
int size = 1024;
double[][] data = new double[size * 2][];
RandomGenerator r = new Well19937c(30051977);
for (int x = 0, y = 0, y2 = size, i = 0; x < size; x++, y++, y2--) {
data[i++] = new double[] { x + r.nextGaussian() * 5, y + r.nextGaussian() * 5 };
data[i++] = new double[] { x + r.nextGaussian() * 5, y2 + r.nextGaussian() * 5 };
}
// Create 2 images
Rectangle bounds = new Rectangle(0, 0, size, size);
IJImagePeakResults i1 = createImage(bounds);
IJImagePeakResults i2 = createImage(bounds);
int[] indices = Utils.newArray(data.length, 0, 1);
MathArrays.shuffle(indices, r);
for (int i : indices) {
IJImagePeakResults image = i1;
i1 = i2;
i2 = image;
image.add((float) data[i][0], (float) data[i][1], 1);
}
i1.end();
i2.end();
ImageProcessor ip1 = i1.getImagePlus().getProcessor();
ImageProcessor ip2 = i2.getImagePlus().getProcessor();
// Test
FRC frc = new FRC();
FloatProcessor[] fft1, fft2;
fft1 = frc.getComplexFFT(ip1);
fft2 = frc.getComplexFFT(ip2);
float[] dataA1 = (float[]) fft1[0].getPixels();
float[] dataB1 = (float[]) fft1[1].getPixels();
float[] dataA2 = (float[]) fft2[0].getPixels();
float[] dataB2 = (float[]) fft2[1].getPixels();
float[] numeratorE = new float[dataA1.length];
float[] absFFT1E = new float[dataA1.length];
float[] absFFT2E = new float[dataA1.length];
FRC.compute(numeratorE, absFFT1E, absFFT2E, dataA1, dataB1, dataA2, dataB2);
Assert.assertTrue("numeratorE", FRC.checkSymmetry(numeratorE, size));
Assert.assertTrue("absFFT1E", FRC.checkSymmetry(absFFT1E, size));
Assert.assertTrue("absFFT2E", FRC.checkSymmetry(absFFT2E, size));
float[] numeratorA = new float[dataA1.length];
float[] absFFT1A = new float[dataA1.length];
float[] absFFT2A = new float[dataA1.length];
FRC.computeMirrored(size, numeratorA, absFFT1A, absFFT2A, dataA1, dataB1, dataA2, dataB2);
//for (int y=0, i=0; y<size; y++)
// for (int x=0; x<size; x++, i++)
// {
// System.out.printf("[%d,%d = %d] %f ?= %f\n", x, y, i, numeratorE[i], numeratorA[i]);
// }
Assert.assertArrayEquals("numerator", numeratorE, numeratorA, 0);
Assert.assertArrayEquals("absFFT1", absFFT1E, absFFT1A, 0);
Assert.assertArrayEquals("absFFT2", absFFT2E, absFFT2A, 0);
FRC.computeMirroredFast(size, numeratorA, absFFT1A, absFFT2A, dataA1, dataB1, dataA2, dataB2);
// Check this.
for (int y = 1; y < size; y++) for (int x = 1, i = y * size + 1; x < size; x++, i++) {
Assert.assertEquals("numerator", numeratorE[i], numeratorA[i], 0);
Assert.assertEquals("absFFT1", absFFT1E[i], absFFT1A[i], 0);
Assert.assertEquals("absFFT2", absFFT2E[i], absFFT2A[i], 0);
}
}
use of gdsc.smlm.ij.results.IJImagePeakResults in project GDSC-SMLM by aherbert.
the class FRCTest method computeMirroredIsFaster.
@Test
public void computeMirroredIsFaster() {
// Sample lines through an image to create a structure.
final int size = 2048;
double[][] data = new double[size * 2][];
RandomGenerator r = new Well19937c(30051977);
for (int x = 0, y = 0, y2 = size, i = 0; x < size; x++, y++, y2--) {
data[i++] = new double[] { x + r.nextGaussian() * 5, y + r.nextGaussian() * 5 };
data[i++] = new double[] { x + r.nextGaussian() * 5, y2 + r.nextGaussian() * 5 };
}
// Create 2 images
Rectangle bounds = new Rectangle(0, 0, size, size);
IJImagePeakResults i1 = createImage(bounds);
IJImagePeakResults i2 = createImage(bounds);
int[] indices = Utils.newArray(data.length, 0, 1);
MathArrays.shuffle(indices, r);
for (int i : indices) {
IJImagePeakResults image = i1;
i1 = i2;
i2 = image;
image.add((float) data[i][0], (float) data[i][1], 1);
}
i1.end();
i2.end();
ImageProcessor ip1 = i1.getImagePlus().getProcessor();
ImageProcessor ip2 = i2.getImagePlus().getProcessor();
// Test
FRC frc = new FRC();
FloatProcessor[] fft1, fft2;
fft1 = frc.getComplexFFT(ip1);
fft2 = frc.getComplexFFT(ip2);
final float[] dataA1 = (float[]) fft1[0].getPixels();
final float[] dataB1 = (float[]) fft1[1].getPixels();
final float[] dataA2 = (float[]) fft2[0].getPixels();
final float[] dataB2 = (float[]) fft2[1].getPixels();
final float[] numerator = new float[dataA1.length];
final float[] absFFT1 = new float[dataA1.length];
final float[] absFFT2 = new float[dataA1.length];
TimingService ts = new TimingService(10);
ts.execute(new MyTimingTask("compute") {
public Object run(Object data) {
FRC.compute(numerator, absFFT1, absFFT2, dataA1, dataB1, dataA2, dataB2);
return null;
}
});
ts.execute(new MyTimingTask("computeMirrored") {
public Object run(Object data) {
FRC.computeMirrored(size, numerator, absFFT1, absFFT2, dataA1, dataB1, dataA2, dataB2);
return null;
}
});
ts.execute(new MyTimingTask("computeMirroredFast") {
public Object run(Object data) {
FRC.computeMirroredFast(size, numerator, absFFT1, absFFT2, dataA1, dataB1, dataA2, dataB2);
return null;
}
});
ts.repeat(ts.getSize());
ts.report();
}
use of gdsc.smlm.ij.results.IJImagePeakResults in project GDSC-SMLM by aherbert.
the class SphericalDistributionTest method drawImage.
private void drawImage(boolean useRejctionMethod) {
MemoryPeakResults results = new MemoryPeakResults();
results.setSortAfterEnd(true);
int radius = 10;
Rectangle bounds = new Rectangle(0, 0, radius * 2, radius * 2);
SphericalDistribution dist = new SphericalDistribution(radius, rand);
dist.setUseRejectionMethod(useRejctionMethod);
float scale = 10;
results.begin();
for (int i = 100000; i-- > 0; ) {
double[] xyz = dist.next();
int peak = (int) (1 + scale * radius + Math.round(scale * xyz[2]));
float[] params = new float[7];
params[Gaussian2DFunction.X_POSITION] = radius + (float) xyz[0];
params[Gaussian2DFunction.Y_POSITION] = radius + (float) xyz[1];
results.addf(peak, 0, 0, 0, 0, 0, params, null);
}
results.end();
IJImagePeakResults image = new IJImagePeakResults((useRejctionMethod) ? "Rejection Method" : "Transformation Method", bounds, scale);
image.setRollingWindowSize(1);
image.begin();
image.addAll(results.getResults());
// Place breakpoint here in debug mode to view the image.
// It should have an even colour through the stack.
image.end();
}
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