/** * Read a DICOM image input format file encoded in a compressed transfer syntax and extract the * compressed bitstreams into a file for each frame. * * <p>The output file will be named with the specified prefix to which will be appended a 6 digit * zero padded frame number starting from 1, followed by an appropriate file name extension for * the transfer syntax. * * @param arg two parameters, the inputFile, the outputFile prefix */ public static void main(String arg[]) { try { if (arg.length == 2) { DecimalFormat sixDigitZeroPaddedFormat = new DecimalFormat("000000"); AttributeList list = new AttributeList(); list.setDecompressPixelData(false); list.read(arg[0]); String fileNameExtension = getFileNameExtensionForCompressedPixelData(list); OtherByteAttributeMultipleCompressedFrames aPixelData = (OtherByteAttributeMultipleCompressedFrames) (list.getPixelData()); byte[][] frames = aPixelData.getFrames(); for (int f = 0; f < frames.length; ++f) { String outputFilename = arg[1] + sixDigitZeroPaddedFormat.format(f + 1) + "." + fileNameExtension; System.err.println("Writing " + outputFilename); FileOutputStream o = new FileOutputStream(outputFilename); o.write(frames[f]); o.close(); } } else { System.err.println("Error: Incorrect number of arguments"); System.err.println("Usage: UnencapsulateCompressedPixelData inputFile outputFilePrefix"); System.exit(1); } } catch (Exception e) { e.printStackTrace(); } }
/** * Generate commomn attributes for converted images. * * <p>Does NOT add ManufacturerModelName ... that should be added by caller. * * <p>Does NOT call * CodingSchemeIdentification.replaceCodingSchemeIdentificationSequenceWithCodingSchemesUsedInAttributeList * ... that should be done by caller. * * @param list * @param patientName * @param patientID * @param studyID * @param seriesNumber * @param instanceNumber * @param modality may be null * @param sopClass may be null * @throws DicomException * @throws NumberFormatException */ public static void generateCommonAttributes( AttributeList list, String patientName, String patientID, String studyID, String seriesNumber, String instanceNumber, String modality, String sopClass) throws DicomException { UIDGenerator u = new UIDGenerator(); { Attribute a = new UniqueIdentifierAttribute(TagFromName.SOPInstanceUID); a.addValue(u.getAnotherNewUID()); list.put(a); } { Attribute a = new UniqueIdentifierAttribute(TagFromName.SeriesInstanceUID); a.addValue(u.getAnotherNewUID()); list.put(a); } { Attribute a = new UniqueIdentifierAttribute(TagFromName.StudyInstanceUID); a.addValue(u.getAnotherNewUID()); list.put(a); } { Attribute a = new UniqueIdentifierAttribute(TagFromName.FrameOfReferenceUID); a.addValue(u.getAnotherNewUID()); list.put(a); } { Attribute a = new PersonNameAttribute(TagFromName.PatientName); a.addValue(patientName); list.put(a); } { Attribute a = new LongStringAttribute(TagFromName.PatientID); a.addValue(patientID); list.put(a); } { Attribute a = new DateAttribute(TagFromName.PatientBirthDate); list.put(a); } { Attribute a = new CodeStringAttribute(TagFromName.PatientSex); list.put(a); } { Attribute a = new ShortStringAttribute(TagFromName.StudyID); a.addValue(studyID); list.put(a); } { Attribute a = new PersonNameAttribute(TagFromName.ReferringPhysicianName); a.addValue("^^^^"); list.put(a); } { Attribute a = new ShortStringAttribute(TagFromName.AccessionNumber); list.put(a); } { Attribute a = new IntegerStringAttribute(TagFromName.SeriesNumber); a.addValue(seriesNumber); list.put(a); } { Attribute a = new IntegerStringAttribute(TagFromName.InstanceNumber); a.addValue(instanceNumber); list.put(a); } { Attribute a = new LongStringAttribute(TagFromName.Manufacturer); a.addValue("PixelMed"); list.put(a); } { Attribute a = new LongStringAttribute(TagFromName.DeviceSerialNumber); a.addValue(new java.rmi.dgc.VMID().toString()); list.put(a); } { Attribute a = new LongStringAttribute(TagFromName.SoftwareVersions); a.addValue(VersionAndConstants.getBuildDate()); list.put(a); } { Attribute a = new CodeStringAttribute(TagFromName.PatientOrientation); list.put(a); } { Attribute a = new CodeStringAttribute(TagFromName.BurnedInAnnotation); a.addValue("NO"); list.put(a); } { Attribute a = new CodeStringAttribute(TagFromName.RecognizableVisualFeatures); a.addValue("NO"); list.put(a); } { Attribute a = new CodeStringAttribute(TagFromName.ContentQualification); a.addValue("RESEARCH"); list.put(a); } { Attribute a = new CodeStringAttribute(TagFromName.LossyImageCompression); a.addValue("00"); list.put(a); } { Attribute a = new LongStringAttribute(TagFromName.PositionReferenceIndicator); list.put(a); } { java.util.Date currentDateTime = new java.util.Date(); String currentDate = new java.text.SimpleDateFormat("yyyyMMdd").format(currentDateTime); String currentTime = new java.text.SimpleDateFormat("HHmmss.SSS").format(currentDateTime); { Attribute a = new DateAttribute(TagFromName.StudyDate); a.addValue(currentDate); list.put(a); } { Attribute a = new TimeAttribute(TagFromName.StudyTime); a.addValue(currentTime); list.put(a); } { Attribute a = new DateAttribute(TagFromName.SeriesDate); a.addValue(currentDate); list.put(a); } { Attribute a = new TimeAttribute(TagFromName.SeriesTime); a.addValue(currentTime); list.put(a); } { Attribute a = new DateAttribute(TagFromName.ContentDate); a.addValue(currentDate); list.put(a); } { Attribute a = new TimeAttribute(TagFromName.ContentTime); a.addValue(currentTime); list.put(a); } { Attribute a = new DateAttribute(TagFromName.InstanceCreationDate); a.addValue(currentDate); list.put(a); } { Attribute a = new TimeAttribute(TagFromName.InstanceCreationTime); a.addValue(currentTime); list.put(a); } { Attribute a = new ShortStringAttribute(TagFromName.TimezoneOffsetFromUTC); a.addValue(DateTimeAttribute.getTimeZone(java.util.TimeZone.getDefault(), currentDateTime)); list.put(a); } } { Attribute a = new UniqueIdentifierAttribute(TagFromName.InstanceCreatorUID); a.addValue(VersionAndConstants.instanceCreatorUID); list.put(a); } int numberOfFrames = Attribute.getSingleIntegerValueOrDefault(list, TagFromName.NumberOfFrames, 1); int samplesPerPixel = Attribute.getSingleIntegerValueOrDefault(list, TagFromName.SamplesPerPixel, 1); if (sopClass == null) { // if modality were not null, could actually attempt to guess SOP Class based on modality here // :( sopClass = SOPClass.SecondaryCaptureImageStorage; if (numberOfFrames > 1) { if (samplesPerPixel == 1) { int bitsAllocated = Attribute.getSingleIntegerValueOrDefault(list, TagFromName.BitsAllocated, 1); if (bitsAllocated == 8) { sopClass = SOPClass.MultiframeGrayscaleByteSecondaryCaptureImageStorage; } else if (bitsAllocated == 16) { sopClass = SOPClass.MultiframeGrayscaleWordSecondaryCaptureImageStorage; } else { Attribute aPixelData = list.getPixelData(); if (aPixelData instanceof OtherFloatAttribute || aPixelData instanceof OtherDoubleAttribute) { sopClass = SOPClass.ParametricMapStorage; } } } else if (samplesPerPixel == 3) { sopClass = SOPClass.MultiframeTrueColorSecondaryCaptureImageStorage; } } } if (sopClass.equals(SOPClass.ParametricMapStorage)) { addParametricMapFrameTypeSharedFunctionalGroup(list); { Attribute a = new CodeStringAttribute(TagFromName.ContentLabel); a.addValue("LABEL1"); list.put(a); } { Attribute a = new LongStringAttribute(TagFromName.ContentDescription); list.put(a); } { Attribute a = new PersonNameAttribute(TagFromName.ContentCreatorName); list.put(a); } } if (SOPClass.isEnhancedMultiframeImageStorage(sopClass)) { if (samplesPerPixel == 1) { double windowWidth = Attribute.getSingleDoubleValueOrDefault(list, TagFromName.WindowWidth, 0); if (windowWidth > 0) { double windowCenter = Attribute.getSingleDoubleValueOrDefault(list, TagFromName.WindowCenter, 0); String voiLUTFunction = Attribute.getSingleStringValueOrDefault(list, TagFromName.VOILUTFunction, "LINEAR"); FunctionalGroupUtilities.generateVOILUTFunctionalGroup( list, numberOfFrames, windowWidth, windowCenter, voiLUTFunction); list.remove(TagFromName.WindowCenter); list.remove(TagFromName.WindowWidth); list.remove(TagFromName.VOILUTFunction); } } double rescaleSlope = Attribute.getSingleDoubleValueOrDefault(list, TagFromName.RescaleSlope, 0); if (rescaleSlope > 0) { double rescaleIntercept = Attribute.getSingleDoubleValueOrDefault(list, TagFromName.RescaleIntercept, 0); String rescaleType = Attribute.getSingleStringValueOrDefault(list, TagFromName.RescaleType, "US"); FunctionalGroupUtilities.generatePixelValueTransformationFunctionalGroup( list, numberOfFrames, rescaleSlope, rescaleIntercept, rescaleType); list.remove(TagFromName.RescaleSlope); list.remove(TagFromName.RescaleIntercept); list.remove(TagFromName.RescaleType); } // four values required { Attribute a = new CodeStringAttribute(TagFromName.ImageType); a.addValue("DERIVED"); a.addValue("PRIMARY"); a.addValue(""); a.addValue(""); list.put(a); } } else { // two values will usually do { Attribute a = new CodeStringAttribute(TagFromName.ImageType); a.addValue("DERIVED"); a.addValue("PRIMARY"); list.put(a); } } if (SOPClass.isMultiframeSecondaryCaptureImageStorage(sopClass)) { if (list.get(TagFromName.PerFrameFunctionalGroupsSequence) != null) { { AttributeTagAttribute a = new AttributeTagAttribute(TagFromName.FrameIncrementPointer); a.addValue(TagFromName.PerFrameFunctionalGroupsSequence); list.put(a); } } else { if (numberOfFrames > 1) { { AttributeTagAttribute a = new AttributeTagAttribute(TagFromName.FrameIncrementPointer); a.addValue(TagFromName.PageNumberVector); list.put(a); } { Attribute a = new IntegerStringAttribute(TagFromName.PageNumberVector); for (int page = 1; page <= numberOfFrames; ++page) { a.addValue(page); } list.put(a); } } } } System.err.println( "CommonConvertedAttributeGeneration.generateCommonAttributes(): SOP Class = " + sopClass); { Attribute a = new UniqueIdentifierAttribute(TagFromName.SOPClassUID); a.addValue(sopClass); list.put(a); } if (SOPClass.isSecondaryCaptureImageStorage(sopClass)) { { Attribute a = new CodeStringAttribute(TagFromName.ConversionType); a.addValue("WSD"); list.put(a); } } if (modality == null) { // could actually attempt to guess modality based on SOP Class here :( modality = "OT"; } { Attribute a = new CodeStringAttribute(TagFromName.Modality); a.addValue(modality); list.put(a); } { Attribute a = new SequenceAttribute(TagFromName.AcquisitionContextSequence); list.put(a); } }