/**
* Creates Gaussian derivative kernels.
*
* @param sigmas DOCUMENT ME!
*/
private void makeKernels2D(float[] sigmas) {
int xkDim, ykDim;
int[] derivOrder = new int[2];
kExtents = new int[2];
derivOrder[0] = 2;
derivOrder[1] = 0;
xkDim = Math.round(8 * sigmas[0]);
if ((xkDim % 2) == 0) {
xkDim++;
}
if (xkDim < 3) {
xkDim = 3;
}
kExtents[0] = xkDim;
ykDim = Math.round(8 * sigmas[1]);
if ((ykDim % 2) == 0) {
ykDim++;
}
if (ykDim < 3) {
ykDim = 3;
}
kExtents[1] = ykDim;
GxxData = new float[xkDim * ykDim];
GenerateGaussian Gxx = new GenerateGaussian(GxxData, kExtents, sigmas, derivOrder);
Gxx.calc(false);
derivOrder[0] = 0;
derivOrder[1] = 2;
GyyData = new float[xkDim * ykDim];
GenerateGaussian Gyy = new GenerateGaussian(GyyData, kExtents, sigmas, derivOrder);
Gyy.calc(false);
float tmp;
for (int i = 0; i < GyyData.length; i++) {
tmp = -(GxxData[i] + GyyData[i]);
if (tmp > 0) {
tmp *= amplificationFactor;
}
GxxData[i] = tmp;
}
}
/** Creates Gaussian derivative kernels. */
private void makeKernels2D() {
int xkDim, ykDim;
int[] derivOrder = new int[2];
kExtents = new int[2];
derivOrder[0] = 2;
derivOrder[1] = 0;
xkDim = Math.round(8 * sigmas[0]);
if ((xkDim % 2) == 0) {
xkDim++;
}
if (xkDim < 3) {
xkDim = 3;
}
kExtents[0] = xkDim;
ykDim = Math.round(8 * sigmas[1]);
if ((ykDim % 2) == 0) {
ykDim++;
}
if (ykDim < 3) {
ykDim = 3;
}
kExtents[1] = ykDim;
GxxData = new float[xkDim * ykDim];
GenerateGaussian Gxx = new GenerateGaussian(GxxData, kExtents, sigmas, derivOrder);
Gxx.calc(false);
Gxx.finalize();
Gxx = null;
derivOrder[0] = 0;
derivOrder[1] = 2;
GyyData = new float[xkDim * ykDim];
GenerateGaussian Gyy = new GenerateGaussian(GyyData, kExtents, sigmas, derivOrder);
Gyy.calc(false);
Gyy.finalize();
Gyy = null;
}
/**
* This function produces the EdgeLap of input image.
*
* @param detectionType the type of zero crossing detection to perform
*/
private void calcStoreInDest3D(int detectionType) {
int nImages;
int length, totalLength;
float[] buffer, xResultBuffer, yResultBuffer, zResultBuffer;
int start;
float[] sliceBuffer;
try {
destImage.setLock();
} catch (IOException error) {
errorCleanUp("Algorithm EdgeLapSep: Image(s) locked", false);
return;
}
try {
length = srcImage.getSliceSize();
totalLength = srcImage.getSliceSize() * srcImage.getExtents()[2];
nImages = srcImage.getExtents()[2];
buffer = new float[totalLength];
sliceBuffer = new float[length];
srcImage.exportData(0, totalLength, buffer); // locks and releases lock
// fireProgressStateChanged(srcImage.getImageName(), "Calculating Zero X-ings ...");
} catch (IOException error) {
buffer = null;
sliceBuffer = null;
xResultBuffer = null;
yResultBuffer = null;
zResultBuffer = null;
errorCleanUp("Algorithm EdgeLapSep exportData: Image(s) locked", true);
return;
} catch (OutOfMemoryError e) {
buffer = null;
sliceBuffer = null;
xResultBuffer = null;
yResultBuffer = null;
zResultBuffer = null;
errorCleanUp("Algorithm EdgeLapSep: Out of memory", true);
return;
}
// initProgressBar();
fireProgressStateChanged(0, srcImage.getImageName(), "Convolving X dimension ...");
/** Minimum and maximum progress value for the convolving part */
int min = 0;
int max = min + Math.round(100 / 2.0f);
float stepPerDimension = ((float) (max - min)) / 3.0f;
AlgorithmSeparableConvolver xConvolver = null;
if (Math.round(stepPerDimension) > 1) {
xConvolver =
new AlgorithmSeparableConvolver(
buffer, srcImage.getExtents(), GxxData, kExtents, false); // assume not color
xConvolver.setProgressValues(generateProgressValues(min, min + Math.round(stepPerDimension)));
linkProgressToAlgorithm(xConvolver);
} else {
xConvolver =
new AlgorithmSeparableConvolver(
buffer, srcImage.getExtents(), GxxData, kExtents, false); // assume not color
}
if (!entireImage) {
xConvolver.setMask(mask);
}
xConvolver.run();
xResultBuffer = xConvolver.getOutputBuffer();
xConvolver.finalize();
xConvolver = null;
fireProgressStateChanged(
min + Math.round(stepPerDimension), srcImage.getImageName(), "Convolving Y dimension...");
AlgorithmSeparableConvolver yConvolver = null;
if ((Math.round(stepPerDimension * 2) - Math.round(stepPerDimension)) > 1) {
yConvolver =
new AlgorithmSeparableConvolver(
buffer, srcImage.getExtents(), GyyData, kExtents, false); // assume not color
yConvolver.setProgressValues(
generateProgressValues(
min + Math.round(stepPerDimension), min + Math.round(stepPerDimension * 2)));
linkProgressToAlgorithm(yConvolver);
} else {
yConvolver =
new AlgorithmSeparableConvolver(
buffer, srcImage.getExtents(), GyyData, kExtents, false); // assume not color
}
if (!entireImage) {
yConvolver.setMask(mask);
}
yConvolver.run();
yResultBuffer = yConvolver.getOutputBuffer();
yConvolver.finalize();
yConvolver = null;
fireProgressStateChanged(
min + Math.round(stepPerDimension * 2),
srcImage.getImageName(),
"Convolving Z dimension...");
AlgorithmSeparableConvolver zConvolver = null;
if ((Math.round(stepPerDimension * 3) - Math.round(stepPerDimension * 2)) > 1) {
zConvolver =
new AlgorithmSeparableConvolver(
buffer, srcImage.getExtents(), GzzData, kExtents, false); // assume not color
zConvolver.setProgressValues(
generateProgressValues(min + Math.round(stepPerDimension * 2), max));
linkProgressToAlgorithm(zConvolver);
} else {
zConvolver =
new AlgorithmSeparableConvolver(
buffer, srcImage.getExtents(), GzzData, kExtents, false); // assume not color
}
if (!entireImage) {
zConvolver.setMask(mask);
}
zConvolver.run();
zResultBuffer = zConvolver.getOutputBuffer();
zConvolver.finalize();
zConvolver = null;
min = max;
max = 100;
float stepPerImage = ((float) (max - min)) / nImages;
for (int s = 0; (s < nImages) && !threadStopped; s++) {
fireProgressStateChanged(
min + Math.round(stepPerImage * s),
srcImage.getImageName(),
"Calculating the edges of slice " + (s + 1) + "...");
start = s * length;
for (int i = start; (i < (start + length)) && !threadStopped; i++) {
if (entireImage || mask.get(i)) {
destImage.set(i, -(xResultBuffer[i] + yResultBuffer[i] + zResultBuffer[i]));
} else {
destImage.set(i, buffer[i]);
}
}
try {
destImage.exportDataNoLock(start, length, sliceBuffer);
} catch (IOException error) {
buffer = null;
sliceBuffer = null;
errorCleanUp("Algorithm EdgeLapSep exportData: " + error, true);
return;
}
genZeroXMask(s, sliceBuffer, detectionType);
}
if (threadStopped) {
finalize();
return;
}
zXMask.calcMinMax();
destImage.calcMinMax();
destImage.releaseLock();
setCompleted(true);
}
/**
* This function produces the EdgeLap of input image.
*
* @param nImages number of images on which to find zero crossings. If 2D image then nImage = 1.
* If 3D image where each image is to processed independently then nImages equals the number
* of images in the volume.
* @param detectionType the type of zero crossing detection to perform
*/
private void calcStoreInDest2D(int nImages, int detectionType) {
// int i, s, idx;
int length;
int start;
float[] buffer, xResultBuffer, yResultBuffer;
try {
destImage.setLock();
} catch (IOException error) {
errorCleanUp("Algorithm EdgeLapSep: Image(s) locked", false);
return;
}
try {
length = srcImage.getSliceSize();
buffer = new float[length];
// fireProgressStateChanged(srcImage.getImageName(), "Calculating the Edge ...");
} catch (OutOfMemoryError e) {
buffer = null;
errorCleanUp("Algorithm Edge Lap Sep: Out of memory", true);
return;
}
fireProgressStateChanged(0, srcImage.getImageName(), "Calculating the Edge ...");
float stepPerImage = 100f / nImages;
// initProgressBar();
for (int s = 0; (s < nImages) && !threadStopped; s++) {
fireProgressStateChanged(
Math.round(stepPerImage * s),
srcImage.getImageName(),
"Calculating the edges of slice " + (s + 1) + "...");
start = s * length;
try {
srcImage.exportData(start, length, buffer); // locks and releases lock
} catch (IOException error) {
errorCleanUp("Algorithm EdgeLapSep: Image(s) locked", false);
return;
}
int min = Math.round(stepPerImage * s);
int max = min + Math.round(((float) (Math.round(stepPerImage * (s + 1)) - min)) / 2.0f);
AlgorithmSeparableConvolver xConvolver = null;
if ((max - min) > 1) {
xConvolver =
new AlgorithmSeparableConvolver(
buffer,
new int[] {srcImage.getExtents()[0], srcImage.getExtents()[1]},
GxxData,
kExtents,
false);
xConvolver.setProgressValues(generateProgressValues(min, max));
linkProgressToAlgorithm(xConvolver);
} else {
xConvolver =
new AlgorithmSeparableConvolver(
buffer,
new int[] {srcImage.getExtents()[0], srcImage.getExtents()[1]},
GxxData,
kExtents,
false); // assume not color
}
if (!entireImage) {
xConvolver.setMask(mask);
}
xConvolver.run();
xResultBuffer = xConvolver.getOutputBuffer();
xConvolver.finalize();
xConvolver = null;
min = max;
max = Math.round(stepPerImage * (s + 1));
AlgorithmSeparableConvolver yConvolver = null;
if ((max - min) > 1) {
yConvolver =
new AlgorithmSeparableConvolver(
buffer,
new int[] {srcImage.getExtents()[0], srcImage.getExtents()[1]},
GyyData,
kExtents,
false);
yConvolver.setProgressValues(generateProgressValues(min, max));
linkProgressToAlgorithm(yConvolver);
} else {
yConvolver =
new AlgorithmSeparableConvolver(
buffer,
new int[] {srcImage.getExtents()[0], srcImage.getExtents()[1]},
GyyData,
kExtents,
false); // assume not color
}
if (!entireImage) {
yConvolver.setMask(mask);
}
yConvolver.run();
yResultBuffer = yConvolver.getOutputBuffer();
yConvolver.finalize();
yConvolver = null;
for (int i = 0, idx = start; (i < buffer.length) && !threadStopped; i++, idx++) {
if (entireImage || mask.get(i)) {
destImage.set(idx, -(xResultBuffer[i] + yResultBuffer[i]));
} else {
destImage.set(idx, buffer[i]);
}
}
try {
destImage.exportDataNoLock(start, length, buffer);
} catch (IOException error) {
errorCleanUp("Algorithm EdgeLapSep exportData: " + error, false);
return;
}
genZeroXMask(s, buffer, detectionType);
}
if (threadStopped) {
finalize();
return;
}
zXMask.calcMinMax();
destImage.calcMinMax();
destImage.releaseLock();
setCompleted(true);
}
/** cat. */
private void cat3D_4D_4D() {
int length;
int xDim, yDim;
float[] buffer;
int cFactor = 1;
int i, j;
float[] resols = new float[3];
float[] origins = new float[3];
FileInfoBase[] fileInfo = null;
FileInfoDicom[] fileInfoDicom = null;
int srcALength, srcBLength;
try {
fireProgressStateChanged(srcImage1.getImageName(), "Concatenating images ...");
resols = new float[4];
origins = new float[4];
xDim = srcImage1.getExtents()[0];
yDim = srcImage1.getExtents()[1];
if (srcImage1.isColorImage()) {
cFactor = 4;
}
length = cFactor * xDim * yDim;
buffer = new float[length];
int nImages;
if (srcImage1.getNDims() > srcImage2.getNDims()) {
nImages =
(srcImage1.getExtents()[2] * srcImage1.getExtents()[3]) + srcImage2.getExtents()[2];
for (i = 0;
(i < (srcImage1.getExtents()[2] * srcImage1.getExtents()[3])) && !threadStopped;
i++) {
fireProgressStateChanged(Math.round((float) (i) / (nImages - 1) * 100));
srcImage1.exportData(i * length, length, buffer);
destImage.importData(i * length, buffer, false);
}
if (threadStopped) {
buffer = null;
finalize();
return;
}
for (j = 0; (j < srcImage2.getExtents()[2]) && !threadStopped; j++) {
fireProgressStateChanged(Math.round((float) (i + j) / (nImages - 1) * 100));
srcImage2.exportData(j * length, length, buffer);
destImage.importData((i + j) * length, buffer, false);
}
if (threadStopped) {
buffer = null;
finalize();
return;
}
destImage.calcMinMax();
} else {
nImages =
(srcImage2.getExtents()[2] * srcImage2.getExtents()[3]) + srcImage1.getExtents()[2];
for (j = 0; (j < srcImage1.getExtents()[2]) && !threadStopped; j++) {
fireProgressStateChanged(Math.round((float) (j) / (nImages - 1) * 100));
srcImage1.exportData(j * length, length, buffer);
destImage.importData(j * length, buffer, false);
}
if (threadStopped) {
buffer = null;
finalize();
return;
}
for (i = 0;
(i < (srcImage2.getExtents()[2] * srcImage2.getExtents()[3])) && !threadStopped;
i++) {
fireProgressStateChanged(Math.round((float) (i + j) / (nImages - 1) * 100));
srcImage2.exportData(i * buffer.length, length, buffer);
destImage.importData((i + j) * buffer.length, buffer, false);
}
if (threadStopped) {
buffer = null;
finalize();
return;
}
destImage.calcMinMax();
}
} catch (IOException error) {
buffer = null;
destImage.disposeLocal(); // Clean up memory of result image
destImage = null;
errorCleanUp("Algorithm Concat. Images: Image(s) locked", true);
return;
} catch (OutOfMemoryError e) {
buffer = null;
destImage.disposeLocal(); // Clean up memory of result image
destImage = null;
errorCleanUp("Algorithm Concat. Images: Out of memory", true);
return;
}
resols[0] = srcImage1.getFileInfo()[0].getResolutions()[0];
resols[1] = srcImage1.getFileInfo()[0].getResolutions()[1];
resols[2] = srcImage1.getFileInfo()[0].getResolutions()[2];
resols[3] = srcImage1.getFileInfo()[0].getResolutions()[3];
origins[0] = srcImage1.getFileInfo()[0].getOrigin()[0];
origins[1] = srcImage1.getFileInfo()[0].getOrigin()[1];
origins[2] = srcImage1.getFileInfo()[0].getOrigin()[2];
origins[3] = srcImage1.getFileInfo()[0].getOrigin()[3];
if ((srcImage1.getFileInfo()[0] instanceof FileInfoDicom)
&& (srcImage2.getFileInfo()[0] instanceof FileInfoDicom)) {
fileInfoDicom = new FileInfoDicom[destImage.getExtents()[2] * destImage.getExtents()[3]];
if (srcImage1.getNDims() > srcImage2.getNDims()) {
srcALength = srcImage1.getExtents()[2] * srcImage1.getExtents()[3];
for (i = 0; (i < srcALength) && !threadStopped; i++) {
fileInfoDicom[i] = (FileInfoDicom) (((FileInfoDicom) srcImage1.getFileInfo()[i]).clone());
fileInfoDicom[i].setOrigin(origins);
}
for (i = 0; (i < srcImage2.getExtents()[2]) && !threadStopped; i++) {
fileInfoDicom[srcALength + i] =
(FileInfoDicom) (((FileInfoDicom) srcImage2.getFileInfo()[i]).clone());
fileInfoDicom[srcALength + i].setOrigin(origins);
}
} else {
srcBLength = srcImage2.getExtents()[2] * srcImage2.getExtents()[3];
for (i = 0; (i < srcImage1.getExtents()[2]) && !threadStopped; i++) {
fileInfoDicom[i] = (FileInfoDicom) (((FileInfoDicom) srcImage1.getFileInfo()[i]).clone());
fileInfoDicom[i].setOrigin(origins);
}
for (i = 0; (i < srcBLength) && !threadStopped; i++) {
fileInfoDicom[srcImage1.getExtents()[2] + i] =
(FileInfoDicom) (((FileInfoDicom) srcImage2.getFileInfo()[i]).clone());
fileInfoDicom[srcImage1.getExtents()[2] + i].setOrigin(origins);
}
}
destImage.setFileInfo(fileInfoDicom);
} else {
fileInfo = destImage.getFileInfo();
for (i = 0;
(i < (destImage.getExtents()[2] * destImage.getExtents()[3])) && !threadStopped;
i++) {
fileInfo[i].setModality(srcImage1.getFileInfo()[0].getModality());
fileInfo[i].setFileDirectory(srcImage1.getFileInfo()[0].getFileDirectory());
fileInfo[i].setEndianess(srcImage1.getFileInfo()[0].getEndianess());
fileInfo[i].setUnitsOfMeasure(srcImage1.getFileInfo()[0].getUnitsOfMeasure());
fileInfo[i].setResolutions(resols);
fileInfo[i].setExtents(destImage.getExtents());
fileInfo[i].setMax(destImage.getMax());
fileInfo[i].setMin(destImage.getMin());
fileInfo[i].setImageOrientation(srcImage1.getImageOrientation());
fileInfo[i].setPixelPadValue(srcImage1.getFileInfo()[0].getPixelPadValue());
fileInfo[i].setPhotometric(srcImage1.getFileInfo()[0].getPhotometric());
fileInfo[i].setAxisOrientation(srcImage1.getAxisOrientation());
}
if (srcImage1.getFileInfo()[0] instanceof FileInfoImageXML) {
if (srcImage1.getNDims() > srcImage2.getNDims()) {
srcALength = srcImage1.getExtents()[2] * srcImage1.getExtents()[3];
for (i = 0; (i < srcALength) && !threadStopped; i++) {
if (((FileInfoImageXML) srcImage1.getFileInfo()[i]).getPSetHashtable() != null) {
((FileInfoImageXML) fileInfo[i])
.setPSetHashtable(
((FileInfoImageXML) srcImage1.getFileInfo()[i]).getPSetHashtable());
}
}
} else {
for (i = 0; (i < srcImage1.getExtents()[2]) && !threadStopped; i++) {
if (((FileInfoImageXML) srcImage1.getFileInfo()[i]).getPSetHashtable() != null) {
((FileInfoImageXML) fileInfo[i])
.setPSetHashtable(
((FileInfoImageXML) srcImage1.getFileInfo()[i]).getPSetHashtable());
}
}
}
}
if (srcImage2.getFileInfo()[0] instanceof FileInfoImageXML) {
if (srcImage1.getNDims() > srcImage2.getNDims()) {
srcALength = srcImage1.getExtents()[2] * srcImage1.getExtents()[3];
for (i = 0; (i < srcImage2.getExtents()[2]) && !threadStopped; i++) {
if (((FileInfoImageXML) srcImage2.getFileInfo()[i]).getPSetHashtable() != null) {
((FileInfoImageXML) fileInfo[srcALength + i])
.setPSetHashtable(
((FileInfoImageXML) srcImage2.getFileInfo()[i]).getPSetHashtable());
}
}
} else {
srcBLength = srcImage2.getExtents()[2] * srcImage2.getExtents()[3];
for (i = 0; (i < srcBLength) && !threadStopped; i++) {
if (((FileInfoImageXML) srcImage2.getFileInfo()[i]).getPSetHashtable() != null) {
((FileInfoImageXML) fileInfo[srcImage1.getExtents()[2] + i])
.setPSetHashtable(
((FileInfoImageXML) srcImage2.getFileInfo()[i]).getPSetHashtable());
}
}
}
}
}
if (threadStopped) {
buffer = null;
finalize();
return;
}
setCompleted(true);
fileInfo = null;
fileInfoDicom = null;
}
/** This function produces the Laplacian of input image. */
private void calcStoreInDest3D() {
int i;
int length;
float[] buffer;
float lap;
try {
destImage.setLock();
} catch (IOException error) {
displayError("Algorithm Laplacian: Image(s) locked");
setCompleted(false);
destImage.releaseLock();
return;
}
try {
length = srcImage.getSliceSize() * srcImage.getExtents()[2];
buffer = new float[length];
srcImage.exportData(0, length, buffer); // locks and releases lock
fireProgressStateChanged(srcImage.getImageName(), "Calculating the Laplacian ...");
} catch (IOException error) {
buffer = null;
errorCleanUp("Algorithm Laplacian exportData: Image(s) locked", true);
return;
} catch (OutOfMemoryError e) {
buffer = null;
errorCleanUp("Algorithm Laplacian exportData: Out of memory", true);
return;
}
int mod = length / 100; // mod is 1 percent of length
float min, max;
min = Float.MAX_VALUE;
max = -Float.MAX_VALUE;
float minL, maxL;
minL = Float.MAX_VALUE;
maxL = -Float.MAX_VALUE;
if (entireImage == false) {
for (i = 0; i < length; i++) {
if (mask.get(i)) {
if (buffer[i] > max) {
max = buffer[i];
} else if (buffer[i] < min) {
min = buffer[i];
}
}
}
}
for (i = 0; (i < length) && !threadStopped; i++) {
if (((i % mod) == 0)) {
fireProgressStateChanged(Math.round((float) i / (length - 1) * 100));
}
if ((entireImage == true) || mask.get(i)) {
lap = AlgorithmConvolver.convolve3DPt(i, srcImage.getExtents(), buffer, kExtents, GxxData);
if (entireImage == false) {
if (mask.get(i)) {
if (lap > maxL) {
maxL = lap;
} else if (lap < minL) {
minL = lap;
}
}
}
destImage.set(i, lap);
} else {
destImage.set(i, buffer[i]);
}
}
if (entireImage == false) {
for (i = 0; i < length; i++) {
if (mask.get(i)) {
lap = destImage.getFloat(i);
lap = (((lap - minL) / (maxL - minL)) * (max - min)) + min;
destImage.set(i, lap);
}
}
}
if (threadStopped) {
finalize();
return;
}
destImage.calcMinMax();
destImage.releaseLock();
setCompleted(true);
}
/**
* This function produces the Laplacian of input image. See this Neva
*
* @param nImages number of images to be blurred. If 2D image then nImage = 1, if 3D image where
* each image is to processed independently then nImages equals the number of images in the
* volume.
*/
private void calcStoreInDest2D(int nImages) {
int i, s;
int length;
float[] buffer;
float[] resultBuffer;
float lap;
try {
length = srcImage.getSliceSize();
buffer = new float[length];
resultBuffer = new float[length];
fireProgressStateChanged(srcImage.getImageName(), "Calculating the Laplacian ...");
} catch (OutOfMemoryError e) {
buffer = null;
resultBuffer = null;
errorCleanUp("Algorithm Laplacian exportData: Out of memory", true);
return;
}
try {
srcImage.exportData(0, length, buffer); // locks and releases lock
} catch (IOException error) {
displayError("Algorithm Gaussian Blur: Image(s) locked");
setCompleted(false);
destImage.releaseLock();
return;
}
float[] sigs = new float[2];
for (s = 1; (s <= 8) && !threadStopped; s++) {
sigs[0] = s;
sigs[1] = s;
makeKernels2D(sigs);
fireProgressStateChanged(Math.round((float) (s) / 8 * 100));
for (i = 0; (i < length) && !threadStopped; i++) {
lap =
AlgorithmConvolver.convolve2DPtMed(i, srcImage.getExtents(), buffer, kExtents, GxxData);
if (lap > resultBuffer[i]) {
resultBuffer[i] = lap;
}
}
}
if (threadStopped) {
finalize();
return;
}
try {
destImage.importData(0, resultBuffer, true);
} catch (IOException error) {
errorCleanUp("Algorithm Gaussian Blur: Image(s) locked", false);
return;
}
setCompleted(true);
}
/**
* Calculates the Laplacian image and replaces the source image with the new image.
*
* @param buffer DOCUMENT ME!
* @param extents DOCUMENT ME!
* @return resultBuffer
*/
@SuppressWarnings("unused")
private float[] calcInPlace3DBuffer(float[] buffer, int[] extents) {
int i, s;
int length;
float[] resultBuffer;
float lap;
try {
if (buffer == null) {
length = srcImage.getSliceSize() * srcImage.getExtents()[2];
buffer = new float[length];
} else {
length = buffer.length;
}
resultBuffer = new float[length];
sBuffer = new byte[length];
if (srcImage != null) {
fireProgressStateChanged(srcImage.getImageName(), "Calculating the Laplacian ...");
} else {
fireProgressStateChanged("Medialness", "Calculating the Laplacian ...");
}
} catch (OutOfMemoryError e) {
buffer = null;
resultBuffer = null;
sBuffer = null;
errorCleanUp("Algorithm Laplacian exportData: Out of memory", true);
return null;
}
try {
if (srcImage != null) {
srcImage.exportData(0, length, buffer); // locks and releases lock
}
} catch (IOException error) {
buffer = null;
resultBuffer = null;
System.gc();
errorCleanUp("Algorithm Laplacian: " + error, false);
return null;
}
float[] sigs = new float[3];
for (s = 1; (s <= 8) && !threadStopped; s++) {
sigs[0] = s;
sigs[1] = s;
sigs[2] = s;
makeKernels3D(sigs);
fireProgressStateChanged(Math.round((float) (s) / 8 * 100));
for (i = 0; (i < length) && !threadStopped; i++) {
// if (entireImage == true || mask.get(i)) {
lap = AlgorithmConvolver.convolve3DPtMed(i, extents, buffer, kExtents, GxxData);
if (lap > resultBuffer[i]) {
resultBuffer[i] = lap;
}
sBuffer[i] = (byte) s;
// }
// else {
// resultBuffer[i] = 0;
// }
}
}
return resultBuffer;
}
/** Calculates the Laplacian and replaces the source image with the new image. */
private void calcInPlace3D() {
int i;
int length;
float[] buffer;
float[] resultBuffer;
float lap;
try {
length = srcImage.getSliceSize() * srcImage.getExtents()[2];
buffer = new float[length];
resultBuffer = new float[length];
srcImage.exportData(0, length, buffer); // locks and releases lock
fireProgressStateChanged(srcImage.getImageName(), "Calculating the Laplacian ...");
} catch (IOException error) {
buffer = null;
resultBuffer = null;
errorCleanUp("Algorithm Laplacian exportData: Image(s) locked", true);
return;
} catch (OutOfMemoryError e) {
errorCleanUp("Algorithm Laplacian exportData: Out of memory", true);
return;
}
int mod = length / 100; // mod is 1 percent of length
for (i = 0; (i < length) && !threadStopped; i++) {
if (((i % mod) == 0)) {
fireProgressStateChanged(Math.round((float) i / (length - 1) * 100));
}
if ((entireImage == true) || mask.get(i)) {
lap = AlgorithmConvolver.convolve3DPt(i, srcImage.getExtents(), buffer, kExtents, GxxData);
resultBuffer[i] = lap;
} else {
resultBuffer[i] = buffer[i];
}
}
buffer = null;
System.gc();
if (threadStopped) {
finalize();
return;
}
try {
srcImage.importData(0, resultBuffer, true);
} catch (IOException error) {
buffer = null;
resultBuffer = null;
errorCleanUp("Algorithm Laplacian importData: Image(s) locked", true);
return;
}
setCompleted(true);
}