package edu.stanford.rsl.conrad.utils;
import ij.IJ;
import ij.Prefs;
import ij.io.FileInfo;
import ij.util.Tools;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.Properties;
import edu.stanford.rsl.conrad.io.AdditionalDicomTag;
/**
* DicomDecoder almost as provided by ImageJ. Only slight changes to improve code style.
* Used to parse the DICOM header by Configuration.
*
* @author Andreas Maier
*
*/
public class DicomDecoder {
private static final int PIXEL_REPRESENTATION = 0x00280103;
private static final int TRANSFER_SYNTAX_UID = 0x00020010;
private static final int SLICE_THICKNESS = 0x00180050;
private static final int SLICE_SPACING = 0x00180088;
private static final int SAMPLES_PER_PIXEL = 0x00280002;
private static final int PHOTOMETRIC_INTERPRETATION = 0x00280004;
private static final int PLANAR_CONFIGURATION = 0x00280006;
private static final int NUMBER_OF_FRAMES = 0x00280008;
private static final int ROWS = 0x00280010;
private static final int COLUMNS = 0x00280011;
private static final int PIXEL_SPACING = 0x00280030;
private static final int BITS_ALLOCATED = 0x00280100;
private static final int WINDOW_CENTER = 0x00281050;
private static final int WINDOW_WIDTH = 0x00281051;
private static final int RESCALE_INTERCEPT = 0x00281052;
private static final int RESCALE_SLOPE = 0x00281053;
private static final int RED_PALETTE = 0x00281201;
private static final int GREEN_PALETTE = 0x00281202;
private static final int BLUE_PALETTE = 0x00281203;
private static final int ICON_IMAGE_SEQUENCE = 0x00880200;
private static final int ITEM = 0xFFFEE000;
private static final int ITEM_DELIMINATION = 0xFFFEE00D;
private static final int SEQUENCE_DELIMINATION = 0xFFFEE0DD;
private static final int PIXEL_DATA = 0x7FE00010;
private static final int AE=0x4145, AS=0x4153, AT=0x4154, CS=0x4353, DA=0x4441, DS=0x4453, DT=0x4454,
FD=0x4644, FL=0x464C, IS=0x4953, LO=0x4C4F, LT=0x4C54, PN=0x504E, SH=0x5348, SL=0x534C,
SS=0x5353, ST=0x5354, TM=0x544D, UI=0x5549, UL=0x554C, US=0x5553, UT=0x5554,
OB=0x4F42, OW=0x4F57, SQ=0x5351, UN=0x554E, QQ=0x3F3F;
private static Properties dictionary;
private String directory, fileName;
private static final int ID_OFFSET = 128; //location of "DICM"
private static final String DICM = "DICM";
private BufferedInputStream f;
private int location = 0;
private boolean littleEndian = true;
private int elementLength;
private int vr; // Value Representation
private static final int IMPLICIT_VR = 0x2D2D; // '--'
private byte[] vrLetters = new byte[2];
private int previousGroup;
public int getPreviousGroup() {
return previousGroup;
}
public String getPreviousInfo() {
return previousInfo;
}
private String previousInfo;
private StringBuffer dicomInfo = new StringBuffer(1000);
private boolean dicmFound; // "DICM" found at offset 128
private boolean oddLocations; // one or more tags at odd locations
private boolean bigEndianTransferSyntax = false;
double windowCenter, windowWidth;
double rescaleIntercept, rescaleSlope;
boolean inSequence;
private BufferedInputStream inputStream;
private boolean debug = false;
public DicomDecoder(String directory, String fileName) {
this.directory = directory;
this.fileName = fileName;
String path = null;
if (dictionary==null && IJ.getApplet()==null) {
path = Prefs.getHomeDir()+File.separator+"DICOM_Dictionary.txt";
File f = new File(path);
if (f.exists()) try {
dictionary = new Properties();
InputStream is = new BufferedInputStream(new FileInputStream(f));
dictionary.load(is);
is.close();
if (debug) CONRAD.log("DicomDecoder: using "+dictionary.size()+" tag dictionary at "+path);
} catch (Exception e) {
dictionary = null;
}
}
if (dictionary==null) {
DicomDictionary d = new DicomDictionary();
dictionary = d.getDictionary();
if (debug) CONRAD.log("DicomDecoder: "+path+" not found; using "+dictionary.size()+" tag built in dictionary");
}
}
public DicomDecoder(InputStream inputStream) {
String path = null;
if (dictionary==null && IJ.getApplet()==null) {
path = Prefs.getHomeDir()+File.separator+"DICOM_Dictionary.txt";
File f = new File(path);
if (f.exists()) try {
dictionary = new Properties();
InputStream is = new BufferedInputStream(new FileInputStream(f));
dictionary.load(is);
is.close();
if (debug) CONRAD.log("DicomDecoder: using "+dictionary.size()+" tag dictionary at "+path);
} catch (Exception e) {
dictionary = null;
}
}
this.inputStream = new BufferedInputStream(inputStream);
if (dictionary==null) {
DicomDictionary d = new DicomDictionary();
dictionary = d.getDictionary();
if (debug) CONRAD.log("DicomDecoder: "+path+" not found; using "+dictionary.size()+" tag built in dictionary");
}
}
public String getString(int length) throws IOException {
byte[] buf = new byte[length];
int pos = 0;
while (pos<length) {
int count = f.read(buf, pos, length-pos);
if (count == -1) throw new IOException("End of Stream reached");
pos += count;
}
location += length;
return new String(buf);
}
int getByte() throws IOException {
int b = f.read();
if (b ==-1) throw new IOException("unexpected EOF");
++location;
//System.out.println(b);
return b;
}
public int getShort() throws IOException {
int b0 = getByte();
int b1 = getByte();
if (littleEndian)
return ((b1 << 8) + b0);
else
return ((b0 << 8) + b1);
}
public final int getInt() throws IOException {
int b0 = getByte();
int b1 = getByte();
int b2 = getByte();
int b3 = getByte();
if (littleEndian)
return ((b3<<24) + (b2<<16) + (b1<<8) + b0);
else
return ((b0<<24) + (b1<<16) + (b2<<8) + b3);
}
double getDouble() throws IOException {
int b0 = getByte();
int b1 = getByte();
int b2 = getByte();
int b3 = getByte();
int b4 = getByte();
int b5 = getByte();
int b6 = getByte();
int b7 = getByte();
long res = 0;
if (littleEndian) {
res += b0;
res += ( ((long)b1) << 8);
res += ( ((long)b2) << 16);
res += ( ((long)b3) << 24);
res += ( ((long)b4) << 32);
res += ( ((long)b5) << 40);
res += ( ((long)b6) << 48);
res += ( ((long)b7) << 56);
} else {
res += b7;
res += ( ((long)b6) << 8);
res += ( ((long)b5) << 16);
res += ( ((long)b4) << 24);
res += ( ((long)b3) << 32);
res += ( ((long)b2) << 40);
res += ( ((long)b1) << 48);
res += ( ((long)b0) << 56);
}
return Double.longBitsToDouble(res);
}
float getFloat() throws IOException {
int b0 = getByte();
int b1 = getByte();
int b2 = getByte();
int b3 = getByte();
int res = 0;
if (littleEndian) {
res += b0;
res += ( ((long)b1) << 8);
res += ( ((long)b2) << 16);
res += ( ((long)b3) << 24);
} else {
res += b3;
res += ( ((long)b2) << 8);
res += ( ((long)b1) << 16);
res += ( ((long)b0) << 24);
}
return Float.intBitsToFloat(res);
}
byte[] getLut(int length) throws IOException {
if ((length&1)!=0) { // odd
getString(length);
return null;
}
length /= 2;
byte[] lut = new byte[length];
for (int i=0; i<length; i++)
lut[i] = (byte)(getShort()>>>8);
return lut;
}
int getLength() throws IOException {
int b0 = getByte();
int b1 = getByte();
int b2 = getByte();
int b3 = getByte();
// We cannot know whether the VR is implicit or explicit
// without the full DICOM Data Dictionary for public and
// private groups.
// We will assume the VR is explicit if the two bytes
// match the known codes. It is possible that these two
// bytes are part of a 32-bit length for an implicit VR.
vr = (b0<<8) + b1;
switch (vr) {
case OB: case OW: case SQ: case UN: case UT:
// Explicit VR with 32-bit length if other two bytes are zero
if ( (b2 == 0) || (b3 == 0) ) return getInt();
// Implicit VR with 32-bit length
vr = IMPLICIT_VR;
if (littleEndian)
return ((b3<<24) + (b2<<16) + (b1<<8) + b0);
else
return ((b0<<24) + (b1<<16) + (b2<<8) + b3);
case AE: case AS: case AT: case CS: case DA: case DS: case DT: case FD:
case FL: case IS: case LO: case LT: case PN: case SH: case SL: case SS:
case ST: case TM:case UI: case UL: case US: case QQ:
// Explicit vr with 16-bit length
if (littleEndian)
return ((b3<<8) + b2);
else
return ((b2<<8) + b3);
default:
// Implicit VR with 32-bit length...
vr = IMPLICIT_VR;
if (littleEndian)
return ((b3<<24) + (b2<<16) + (b1<<8) + b0);
else
return ((b0<<24) + (b1<<16) + (b2<<8) + b3);
}
}
int getNextTag() throws IOException {
int groupWord = getShort();
if (groupWord==0x0800 && bigEndianTransferSyntax) {
littleEndian = false;
groupWord = 0x0008;
}
int elementWord = getShort();
int tag = groupWord<<16 | elementWord;
elementLength = getLength();
// hack needed to read some GE files
// The element length must be even!
if (elementLength==13 && !oddLocations) elementLength = 10;
// "Undefined" element length.
// This is a sort of bracket that encloses a sequence of elements.
if (elementLength==-1) {
elementLength = 0;
inSequence = true;
}
//CONRAD.log("getNextTag: "+tag+" "+elementLength);
return tag;
}
public FileInfo getFileInfo() throws IOException {
long skipCount;
FileInfo fi = new FileInfo();
int bitsAllocated = 16;
fi.fileFormat = FileInfo.RAW;
fi.fileName = fileName;
if (directory != null) {
if (directory.indexOf("://")>0) { // is URL
URL u = new URL(directory+fileName);
setInputStream(new BufferedInputStream(u.openStream()));
fi.inputStream = getInputStream();
} else if (getInputStream()!=null)
fi.inputStream = getInputStream();
else
fi.directory = directory;
} else if (getInputStream()!=null)
fi.inputStream = getInputStream();
fi.width = 0;
fi.height = 0;
fi.offset = 0;
fi.intelByteOrder = true;
fi.fileType = FileInfo.GRAY16_UNSIGNED;
fi.fileFormat = FileInfo.DICOM;
int samplesPerPixel = 1;
int planarConfiguration = 0;
String photoInterpretation = "";
if (getInputStream()!=null) {
// Use large buffer to allow URL stream to be reset after reading header
f = getInputStream();
f.mark(400000);
} else
f = new BufferedInputStream(new FileInputStream(directory + fileName));
if (IJ.debugMode) {
CONRAD.log("");
CONRAD.log("DicomDecoder: decoding "+fileName);
}
skipCount = (long)ID_OFFSET;
while (skipCount > 0) skipCount -= f.skip( skipCount );
location += ID_OFFSET;
if (!getString(4).equals(DICM)) {
if (getInputStream()==null) f.close();
if (getInputStream()!=null)
f.reset();
else
f = new BufferedInputStream(new FileInputStream(directory + fileName));
location = 0;
if (IJ.debugMode) CONRAD.log(DICM + " not found at offset "+ID_OFFSET+"; reseting to offset 0");
} else {
dicmFound = true;
if (IJ.debugMode) CONRAD.log(DICM + " found at offset " + ID_OFFSET);
}
boolean decodingTags = true;
boolean signed = false;
while (decodingTags) {
int tag = getNextTag();
if ((location&1)!=0) // DICOM tags must be at even locations
oddLocations = true;
if (inSequence) {
addInfo(tag, null);
continue;
}
String s;
switch (tag) {
case TRANSFER_SYNTAX_UID:
s = getString(elementLength);
addInfo(tag, s);
if (s.indexOf("1.2.4")>-1||s.indexOf("1.2.5")>-1) {
f.close();
String msg = "ImageJ cannot open compressed DICOM images.\n \n";
msg += "Transfer Syntax UID = "+s;
throw new IOException(msg);
}
if (s.indexOf("1.2.840.10008.1.2.2")>=0)
bigEndianTransferSyntax = true;
break;
case NUMBER_OF_FRAMES:
s = getString(elementLength);
addInfo(tag, s);
double frames = s2d(s);
if (frames>1.0)
fi.nImages = (int)frames;
break;
case SAMPLES_PER_PIXEL:
samplesPerPixel = getShort();
addInfo(tag, samplesPerPixel);
break;
case PHOTOMETRIC_INTERPRETATION:
photoInterpretation = getString(elementLength);
addInfo(tag, photoInterpretation);
break;
case PLANAR_CONFIGURATION:
planarConfiguration = getShort();
addInfo(tag, planarConfiguration);
break;
case ROWS:
fi.height = getShort();
//Configuration.getGlobalConfiguration().setIntensifierSize(fi.height);
addInfo(tag, fi.height);
break;
case COLUMNS:
fi.width = getShort();
addInfo(tag, fi.width);
break;
case PIXEL_SPACING:
String scale = getString(elementLength);
getSpatialScale(fi, scale);
addInfo(tag, scale);
break;
case SLICE_THICKNESS: case SLICE_SPACING:
String spacing = getString(elementLength);
fi.pixelDepth = s2d(spacing);
addInfo(tag, spacing);
break;
case BITS_ALLOCATED:
bitsAllocated = getShort();
if (bitsAllocated==8)
fi.fileType = FileInfo.GRAY8;
else if (bitsAllocated==32)
fi.fileType = FileInfo.GRAY32_UNSIGNED;
addInfo(tag, bitsAllocated);
break;
case PIXEL_REPRESENTATION:
int pixelRepresentation = getShort();
if (pixelRepresentation==1) {
fi.fileType = FileInfo.GRAY16_SIGNED;
signed = true;
}
addInfo(tag, pixelRepresentation);
break;
case WINDOW_CENTER:
String center = getString(elementLength);
int index = center.indexOf('\\');
if (index!=-1) center = center.substring(index+1);
windowCenter = s2d(center);
addInfo(tag, center);
break;
case WINDOW_WIDTH:
String width = getString(elementLength);
index = width.indexOf('\\');
if (index!=-1) width = width.substring(index+1);
windowWidth = s2d(width);
addInfo(tag, width);
break;
case RESCALE_INTERCEPT:
String intercept = getString(elementLength);
rescaleIntercept = s2d(intercept);
addInfo(tag, intercept);
break;
case RESCALE_SLOPE:
String slop = getString(elementLength);
rescaleSlope = s2d(slop);
addInfo(tag, slop);
break;
case RED_PALETTE:
fi.reds = getLut(elementLength);
addInfo(tag, elementLength/2);
break;
case GREEN_PALETTE:
fi.greens = getLut(elementLength);
addInfo(tag, elementLength/2);
break;
case BLUE_PALETTE:
fi.blues = getLut(elementLength);
addInfo(tag, elementLength/2);
break;
case PIXEL_DATA:
// Start of image data...
if (elementLength!=0) {
fi.offset = location;
addInfo(tag, location);
decodingTags = false;
} else
addInfo(tag, null);
break;
case 0x7F880010:
if (elementLength!=0) {
fi.offset = location+4;
decodingTags = false;
}
addInfo(tag, null);
break;
default:
try {
ArrayList<Object> tags = CONRAD.getInstancesFromConrad(AdditionalDicomTag.class);
boolean addInfos = true;
for (Object e: tags){
AdditionalDicomTag currentTag = (AdditionalDicomTag) e;
currentTag.decoder = this;
currentTag.fi = fi;
if (currentTag.readTag(tag, elementLength)) {
addInfos = false;
break;
}
}
if (addInfos) addInfo(tag, null);
} catch (ClassNotFoundException e) {
boolean exploreMode = false;
if (exploreMode){
System.out.println(tag2hex(tag) + " " + elementLength+ " Bytes: " + this.getString(elementLength));
} else {
addInfo(tag, null);
}
}
}
} // while(decodingTags)
if (fi.fileType==FileInfo.GRAY8) {
if (fi.reds!=null && fi.greens!=null && fi.blues!=null
&& fi.reds.length==fi.greens.length
&& fi.reds.length==fi.blues.length) {
fi.fileType = FileInfo.COLOR8;
fi.lutSize = fi.reds.length;
}
}
if (fi.fileType==FileInfo.GRAY32_UNSIGNED && signed)
fi.fileType = FileInfo.GRAY32_INT;
if (samplesPerPixel==3 && photoInterpretation.startsWith("RGB")) {
if (planarConfiguration==0)
fi.fileType = FileInfo.RGB;
else if (planarConfiguration==1)
fi.fileType = FileInfo.RGB_PLANAR;
} else if (photoInterpretation.endsWith("1 "))
fi.whiteIsZero = true;
if (!littleEndian)
fi.intelByteOrder = false;
if (IJ.debugMode) {
CONRAD.log("width: " + fi.width);
CONRAD.log("height: " + fi.height);
CONRAD.log("images: " + fi.nImages);
CONRAD.log("bits allocated: " + bitsAllocated);
CONRAD.log("offset: " + fi.offset);
}
if (getInputStream()!=null)
f.reset();
else
f.close();
return fi;
}
String getDicomInfo() {
String s = new String(dicomInfo);
char[] chars = new char[s.length()];
s.getChars(0, s.length(), chars, 0);
for (int i=0; i<chars.length; i++) {
if (chars[i]<' ' && chars[i]!='\n') chars[i] = ' ';
}
return new String(chars);
}
public void addInfo(int tag, String value) throws IOException {
String info = getHeaderInfo(tag, value);
if (inSequence && info!=null && vr!=SQ) info = ">" + info;
if (info!=null && tag!=ITEM) {
int group = tag>>>16;
//if (group!=previousGroup && (previousInfo!=null&&previousInfo.indexOf("Sequence:")==-1))
// dicomInfo.append("\n");
previousGroup = group;
previousInfo = info;
dicomInfo.append(tag2hex(tag)+info+"\n");
}
if (debug) {
if (info==null) info = "";
vrLetters[0] = (byte)(vr >> 8);
vrLetters[1] = (byte)(vr & 0xFF);
String VR = new String(vrLetters);
CONRAD.log("(" + tag2hex(tag) + VR
+ " " + elementLength
+ " bytes from "
+ (location-elementLength)+") "
+ info);
}
}
void addInfo(int tag, int value) throws IOException {
addInfo(tag, Integer.toString(value));
}
String getHeaderInfo(int tag, String value) throws IOException {
if (tag==ITEM_DELIMINATION || tag==SEQUENCE_DELIMINATION) {
inSequence = false;
if (!IJ.debugMode) return null;
}
String key = i2hex(tag);
//while (key.length()<8)
// key = '0' + key;
String id = (String)dictionary.get(key);
if (id!=null) {
if (vr==IMPLICIT_VR && id!=null)
vr = (id.charAt(0)<<8) + id.charAt(1);
id = id.substring(2);
}
if (tag==ITEM)
return id!=null?id+":":null;
if (value!=null)
return id+": "+value;
switch (vr) {
case FD:
if (elementLength==8)
value = Double.toString(getDouble());
else
for (int i=0; i<elementLength; i++) getByte();
break;
case FL:
if (elementLength==4)
value = Float.toString(getFloat());
else
for (int i=0; i<elementLength; i++) getByte();
break;
//case UT:
//throw new IOException("ImageJ cannot read UT (unlimited text) DICOMs");
case AE: case AS: case AT: case CS: case DA: case DS: case DT: case IS: case LO:
case LT: case PN: case SH: case ST: case TM: case UI:
value = getString(elementLength);
break;
case US:
if (elementLength==2)
value = Integer.toString(getShort());
else {
value = "";
int n = elementLength/2;
for (int i=0; i<n; i++)
value += Integer.toString(getShort())+" ";
}
break;
case IMPLICIT_VR:
value = getString(elementLength);
if (elementLength>44) value=null;
break;
case SQ:
value = "";
boolean privateTag = ((tag>>16)&1)!=0;
if (tag!=ICON_IMAGE_SEQUENCE && !privateTag)
break;
// else fall through and skip icon image sequence or private sequence
default:
long skipCount = (long)elementLength;
while (skipCount > 0) skipCount -= f.skip(skipCount);
location += elementLength;
value = "";
}
if (value!=null && id==null && !value.equals(""))
return "---: "+value;
else if (id==null)
return null;
else
return id+": "+value;
}
static char[] buf8 = new char[8];
/** Converts an int to an 8 byte hex string. */
String i2hex(int i) {
for (int pos=7; pos>=0; pos--) {
buf8[pos] = Tools.hexDigits[i&0xf];
i >>>= 4;
}
return new String(buf8);
}
char[] buf10;
String tag2hex(int tag) {
if (buf10==null) {
buf10 = new char[11];
buf10[4] = ',';
buf10[9] = ' ';
}
int pos = 8;
while (pos>=0) {
buf10[pos] = Tools.hexDigits[tag&0xf];
tag >>>= 4;
pos--;
if (pos==4) pos--; // skip coma
}
return new String(buf10);
}
public double s2d(String s) {
Double d;
try {d = new Double(s);}
catch (NumberFormatException e) {d = null;}
if (d!=null)
return(d.doubleValue());
else
return(0.0);
}
void getSpatialScale(FileInfo fi, String scale) {
double xscale=0, yscale=0;
int i = scale.indexOf('\\');
if (i>0) {
yscale = s2d(scale.substring(0, i));
xscale = s2d(scale.substring(i+1));
}
if (xscale!=0.0 && yscale!=0.0) {
fi.pixelWidth = xscale;
fi.pixelHeight = yscale;
fi.unit = "mm";
}
}
public boolean dicmFound() {
return dicmFound;
}
public void setInputStream(BufferedInputStream inputStream) {
this.inputStream = inputStream;
}
public BufferedInputStream getInputStream() {
return inputStream;
}
}
class DicomDictionary {
Properties getDictionary() {
Properties p = new Properties();
for (int i=0; i<dict.length; i++) {
p.put(dict[i].substring(0,8), dict[i].substring(9));
}
return p;
}
String[] dict = {
"00020002=UIMedia Storage SOP Class UID",
"00020003=UIMedia Storage SOP Inst UID",
"00020010=UITransfer Syntax UID",
"00020012=UIImplementation Class UID",
"00020013=SHImplementation Version Name",
"00020016=AESource Application Entity Title",
"00080005=CSSpecific Character Set",
"00080008=CSImage Type",
"00080010=CSRecognition Code",
"00080012=DAInstance Creation Date",
"00080013=TMInstance Creation Time",
"00080014=UIInstance Creator UID",
"00080016=UISOP Class UID",
"00080018=UISOP Instance UID",
"00080020=DAStudy Date",
"00080021=DASeries Date",
"00080022=DAAcquisition Date",
"00080023=DAImage Date",
"00080024=DAOverlay Date",
"00080025=DACurve Date",
"00080030=TMStudy Time",
"00080031=TMSeries Time",
"00080032=TMAcquisition Time",
"00080033=TMImage Time",
"00080034=TMOverlay Time",
"00080035=TMCurve Time",
"00080040=USData Set Type",
"00080041=LOData Set Subtype",
"00080042=CSNuclear Medicine Series Type",
"00080050=SHAccession Number",
"00080052=CSQuery/Retrieve Level",
"00080054=AERetrieve AE Title",
"00080058=AEFailed SOP Instance UID List",
"00080060=CSModality",
"00080064=CSConversion Type",
"00080068=CSPresentation Intent Type",
"00080070=LOManufacturer",
"00080080=LOInstitution Name",
"00080081=STInstitution Address",
"00080082=SQInstitution Code Sequence",
"00080090=PNReferring Physician's Name",
"00080092=STReferring Physician's Address",
"00080094=SHReferring Physician's Telephone Numbers",
"00080100=SHCode Value",
"00080102=SHCoding Scheme Designator",
"00080104=LOCode Meaning",
"00080201=SHTimezone Offset From UTC",
"00081010=SHStation Name",
"00081030=LOStudy Description",
"00081032=SQProcedure Code Sequence",
"0008103E=LOSeries Description",
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"00540101=USNumber of Time Slices",
"00540200=DSStart Angle",
"00540202=CSType of Detector Motion",
"00540210=ISTrigger Vector",
"00540211=USNumber of Triggers in Phase",
"00540220=SQView Code Sequence",
"00540222=SQView Modifier Code Sequence",
"00540300=SQRadionuclide Code Sequence",
"00540302=SQAdministration Route Code Sequence",
"00540304=SQRadiopharmaceutical Code Sequence",
"00540306=SQCalibration Data Sequence",
"00540308=USEnergy Window Number",
"00540400=SHImage ID",
"00540410=SQPatient Orientation Code Sequence",
"00540412=SQPatient Orientation Modifier Code Sequence",
"00540414=SQPatient Gantry Relationship Code Sequence",
"00540500=CSSlice Progression Direction",
"00541000=CSSeries Type",
"00541001=CSUnits",
"00541002=CSCounts Source",
"00541004=CSReprojection Method",
"00541100=CSRandoms Correction Method",
"00541101=LOAttenuation Correction Method",
"00541102=CSDecay Correction",
"00541103=LOReconstruction Method",
"00541104=LODetector Lines of Response Used",
"00541105=LOScatter Correction Method",
"00541200=DSAxial Acceptance",
"00541201=ISAxial Mash",
"00541202=ISTransverse Mash",
"00541203=DSDetector Element Size",
"00541210=DSCoincidence Window Width",
"00541220=CSSecondary Counts Type",
"00541300=DSFrame Reference Time",
"00541310=ISPrimary (Prompts) Counts Accumulated",
"00541311=ISSecondary Counts Accumulated",
"00541320=DSSlice Sensitivity Factor",
"00541321=DSDecay Factor",
"00541322=DSDose Calibration Factor",
"00541323=DSScatter Fraction Factor",
"00541324=DSDead Time Factor",
"00541330=USImage Index",
"00541400=CSCounts Included",
"00541401=CSDead Time Correction Flag",
"30020002=SHRT Image Label",
"30020003=LORT Image Name",
"30020004=STRT Image Description",
"3002000A=CSReported Values Origin",
"3002000C=CSRT Image Plane",
"3002000D=DSX-Ray Image Receptor Translation",
"3002000E=DSX-Ray Image Receptor Angle",
"30020011=DSImage Plane Pixel Spacing",
"30020012=DSRT Image Position",
"30020020=SHRadiation Machine Name",
"30020022=DSRadiation Machine SAD",
"30020026=DSRT Image SID",
"30020029=ISFraction Number",
"30020030=SQExposure Sequence",
"30020032=DSMeterset Exposure",
"300A011E=DSGantry Angle",
"300A0120=DSBeam Limiting Device Angle",
"300A0122=DSPatient Support Angle",
"300A0128=DSTable Top Vertical Position",
"300A0129=DSTable Top Longitudinal Position",
"300A012A=DSTable Top Lateral Position",
"300A00B3=CSPrimary Dosimeter Unit",
"300A00F0=ISNumber of Blocks",
"300C0006=ISReferenced Beam Number",
"300C0008=DSStart Cumulative Meterset Weight",
"300C0022=ISReferenced Fraction Group Number",
"7FE00010=OXPixel Data",
"FFFEE000=DLItem",
"FFFEE00D=DLItem Delimitation Item",
"FFFEE0DD=DLSequence Delimitation Item"
};
}
/*
* Copyright (C) 2010-2014 Andreas Maier
* CONRAD is developed as an Open Source project under the GNU General Public License (GPL).
*/