/** 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 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); }
/** * 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); }
/** 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; }