private void OnClickPixelDataMD5(object sender, EventArgs e) { if (_selected == -1) { return; } try { DicomFileFormat ff = new DicomFileFormat(); ff.Load(_files[_selected], DicomReadOptions.Default | DicomReadOptions.KeepGroupLengths | DicomReadOptions.DeferLoadingLargeElements | DicomReadOptions.DeferLoadingPixelData); DcmPixelData pixels = new DcmPixelData(ff.Dataset); if (pixels.NumberOfFrames == 0) { MessageBox.Show(this, "No pixel data", "Pixel Data MD5"); } else if (pixels.NumberOfFrames >= 1) { MessageBox.Show(this, pixels.ComputeMD5(), String.Format("Pixel Data MD5 [{0} frames]", pixels.NumberOfFrames)); } GC.Collect(); GC.WaitForPendingFinalizers(); GC.Collect(); } catch { } }
public static IPixelData Create(DcmPixelData pixelData, int frame) { PhotometricInterpretation pi = PhotometricInterpretation.Lookup(pixelData.PhotometricInterpretation); if (pi == PhotometricInterpretation.Monochrome1 || pi == PhotometricInterpretation.Monochrome2 || pi == PhotometricInterpretation.PaletteColor) { if (pixelData.BitsStored <= 8) { return(new GrayscalePixelDataU8(pixelData.ImageWidth, pixelData.ImageHeight, pixelData.GetFrameDataU8(frame))); } else if (pixelData.BitsStored <= 16) { if (pixelData.IsSigned) { return(new GrayscalePixelDataS16(pixelData.ImageWidth, pixelData.ImageHeight, pixelData.GetFrameDataS16(frame))); } else { return(new GrayscalePixelDataU16(pixelData.ImageWidth, pixelData.ImageHeight, pixelData.GetFrameDataU16(frame))); } } else { throw new DicomImagingException("Unsupported pixel data value for bits stored: {0}", pixelData.BitsStored); } } else if (pi == PhotometricInterpretation.Rgb || pi == PhotometricInterpretation.YbrFull) { return(new ColorPixelData24(pixelData.ImageWidth, pixelData.ImageHeight, pixelData.GetFrameDataU8(frame))); } else { throw new DicomImagingException("Unsupported pixel data photometric interpretation: {0}", pi.Value); } }
public static void DumpFrameToDisk(DcmDataset data, int frame, string file) { DcmPixelData pixelData = new DcmPixelData(data); byte[] pixels = pixelData.GetFrameDataU8(frame); File.WriteAllBytes(file, pixels); }
public static IPipeline Create(DcmDataset dataset, DcmPixelData pixelData) { PhotometricInterpretation pi = PhotometricInterpretation.Lookup(pixelData.PhotometricInterpretation); if (pi == PhotometricInterpretation.Monochrome1 || pi == PhotometricInterpretation.Monochrome2) { GenericGrayscalePipeline pipeline = new GenericGrayscalePipeline(pixelData.RescaleSlope, pixelData.RescaleIntercept, pixelData.BitsStored, pixelData.IsSigned); if (pi == PhotometricInterpretation.Monochrome1) { pipeline.ColorMap = ColorTable.Monochrome1; } else { pipeline.ColorMap = ColorTable.Monochrome2; } WindowLevel[] wl = WindowLevel.FromDataset(dataset); if (wl.Length > 0) { pipeline.WindowLevel = wl[0]; } return(pipeline); } else if (pi == PhotometricInterpretation.Rgb) { return(new RgbColorPipeline()); } else { throw new DicomImagingException("Unsupported pipeline photometric interpretation: {0}", pi.Value); } }
private void UpdateImageBox(DcmImageBox imageBox, String filename, int index) { //try //{ var ff = new DicomFileFormat(); ff.Load(filename, DicomReadOptions.DefaultWithoutDeferredLoading); if (ff.Dataset == null) { return; } ff.Dataset.ChangeTransferSyntax(DicomTransferSyntax.ImplicitVRLittleEndian, null); var pixelData = new DcmPixelData(ff.Dataset); var pi = PhotometricInterpretation.Lookup(pixelData.PhotometricInterpretation); // Grayscale only printer? if (pi.IsColor && _supportsColorPrinting == false) { pixelData.Unload(); return; } // Color only printer? if (pi.IsColor == false && _supportsGrayscalePrinting == false) { pixelData.Unload(); return; } DicomUID imageBoxSOPClassUID; DcmItemSequence seq; var item = new DcmItemSequenceItem(); pixelData.UpdateDataset(item.Dataset); if (pi.IsColor) { imageBoxSOPClassUID = DicomUID.BasicColorImageBoxSOPClass; seq = new DcmItemSequence(DicomTags.BasicColorImageSequence); } else { imageBoxSOPClassUID = DicomUID.BasicGrayscaleImageBoxSOPClass; seq = new DcmItemSequence(DicomTags.BasicGrayscaleImageSequence); } seq.AddSequenceItem(item); imageBox.Dataset.AddItem(seq); pixelData.Unload(); imageBox.UpdateImageBox(imageBoxSOPClassUID); imageBox.ImageBoxPosition = (ushort)index; //} //catch (Exception) //{ //} }
public void Decode(DcmDataset dataset, DcmPixelData oldPixelData, DcmPixelData newPixelData, DcmCodecParameters parameters) { DcmRleCodecParameters rleParams = parameters as DcmRleCodecParameters; if (rleParams == null) { rleParams = GetDefaultParameters() as DcmRleCodecParameters; } int pixelCount = oldPixelData.ImageWidth * oldPixelData.ImageHeight; int numberOfSegments = oldPixelData.BytesAllocated * oldPixelData.SamplesPerPixel; byte[] frameData = new byte[newPixelData.UncompressedFrameSize]; for (int i = 0; i < oldPixelData.NumberOfFrames; i++) { IList <ByteBuffer> rleData = oldPixelData.GetFrameFragments(i); RLEDecoder decoder = new RLEDecoder(rleData); if (decoder.NumberOfSegments != numberOfSegments) { throw new DicomCodecException("Unexpected number of RLE segments!"); } for (int s = 0; s < numberOfSegments; s++) { int sample = s / newPixelData.BytesAllocated; int sabyte = s % newPixelData.BytesAllocated; int pos, offset; if (newPixelData.PlanarConfiguration == 0) { pos = sample * newPixelData.BytesAllocated; offset = newPixelData.SamplesPerPixel * newPixelData.BytesAllocated; } else { pos = sample * newPixelData.BytesAllocated * pixelCount; offset = newPixelData.BytesAllocated; } if (rleParams.ReverseByteOrder) { pos += sabyte; } else { pos += newPixelData.BytesAllocated - sabyte - 1; } decoder.DecodeSegment(s, frameData, pos, offset); } newPixelData.AddFrame(frameData); } }
private void Load(DcmDataset dataset) { Dataset = dataset; if (Dataset.InternalTransferSyntax.IsEncapsulated) Dataset.ChangeTransferSyntax(DicomTransferSyntax.ExplicitVRLittleEndian, null); DcmPixelData pixelData = new DcmPixelData(Dataset); _pixelData = PixelDataFactory.Create(pixelData, 0); _pipeline = PipelineFactory.Create(Dataset, pixelData); pixelData.Unload(); _overlays = DcmOverlayData.FromDataset(Dataset); }
private void OnClickExtractPixels(object sender, EventArgs e) { if (_selected == -1) { return; } try { DicomFileFormat ff = new DicomFileFormat(); ff.Load(_files[_selected], DicomReadOptions.Default | DicomReadOptions.KeepGroupLengths | DicomReadOptions.DeferLoadingLargeElements | DicomReadOptions.DeferLoadingPixelData); DcmPixelData pixels = new DcmPixelData(ff.Dataset); if (pixels.NumberOfFrames == 0) { return; } else if (pixels.NumberOfFrames >= 1) { SaveFileDialog sfd = new SaveFileDialog(); sfd.RestoreDirectory = true; if (sfd.ShowDialog(this) == DialogResult.OK) { byte[] data = pixels.GetFrameDataU8(0); File.WriteAllBytes(sfd.FileName, data); } } GC.Collect(); GC.WaitForPendingFinalizers(); GC.Collect(); } catch { } }
public void Encode(DcmDataset dataset, DcmPixelData oldPixelData, DcmPixelData newPixelData, DcmCodecParameters parameters) { DcmRleCodecParameters rleParams = parameters as DcmRleCodecParameters; if (rleParams == null) { rleParams = GetDefaultParameters() as DcmRleCodecParameters; } int pixelCount = oldPixelData.ImageWidth * oldPixelData.ImageHeight; int numberOfSegments = oldPixelData.BytesAllocated * oldPixelData.SamplesPerPixel; for (int i = 0; i < oldPixelData.NumberOfFrames; i++) { RLEEncoder encoder = new RLEEncoder(); byte[] frameData = oldPixelData.GetFrameDataU8(i); for (int s = 0; s < numberOfSegments; s++) { encoder.NextSegment(); int sample = s / oldPixelData.BytesAllocated; int sabyte = s % oldPixelData.BytesAllocated; int pos; int offset; if (newPixelData.PlanarConfiguration == 0) { pos = sample * oldPixelData.BytesAllocated; offset = numberOfSegments; } else { pos = sample * oldPixelData.BytesAllocated * pixelCount; offset = oldPixelData.BytesAllocated; } if (rleParams.ReverseByteOrder) { pos += sabyte; } else { pos += oldPixelData.BytesAllocated - sabyte - 1; } for (int p = 0; p < pixelCount; p++) { if (pos >= frameData.Length) { throw new DicomCodecException(""); } encoder.Encode(frameData[pos]); pos += offset; } encoder.Flush(); } encoder.MakeEvenLength(); newPixelData.AddFrame(encoder.GetBuffer()); } }
public void Decode(DcmDataset dataset, DcmPixelData oldPixelData, DcmPixelData newPixelData, DcmCodecParameters parameters) { if (oldPixelData.NumberOfFrames == 0) { return; } // Determine JPEG image precision and assert that the implemented codec supports this precision int precision; try { precision = JpegHelper.ScanHeaderForBitDepth(oldPixelData); } catch (DicomCodecException) { precision = oldPixelData.BitsStored; } AssertImagePrecision(precision); // Ensure consistency in the new pixel data header if (precision > 8) { newPixelData.BitsAllocated = 16; } else if (newPixelData.BitsStored <= 8) { newPixelData.BitsAllocated = 8; } // Set up new pixel data specifics newPixelData.PhotometricInterpretation = newPixelData.PhotometricInterpretation.Equals("YBR_FULL_422") || newPixelData.PhotometricInterpretation.Equals("YBR_PARTIAL_422") ? "YBR_FULL" : oldPixelData.PhotometricInterpretation; if (newPixelData.PhotometricInterpretation.Equals("YBR_FULL")) { newPixelData.PlanarConfiguration = 1; } try { for (int j = 0; j < oldPixelData.NumberOfFrames; ++j) { var frameData = new byte[newPixelData.UncompressedFrameSize]; var jpegStream = new MemoryStream(oldPixelData.GetFrameDataU8(j)); // Decode JPEG from stream var decoder = new JpegDecoder(jpegStream); var jpegDecoded = decoder.Decode(); var img = jpegDecoded.Image; // Init Buffer int w = img.Width; int h = img.Height; var pixelsFromJpeg = img.Raster; // Copy FluxJpeg buffer into frame data array /* * int comps = pixelsFromJpeg.GetLength(0); * int preIncr = newPixelData.BytesAllocated - comps; * * if (preIncr < 0) * throw new InvalidOperationException( * String.Format("Number of JPEG components: {0} exceeds number of bytes allocated: {1}", * comps, newPixelData.BytesAllocated)); */ int i = 0; for (int y = 0; y < h; ++y) { for (int x = 0; x < w; ++x) { var pixel = pixelsFromJpeg[0][x, y]; frameData[i++] = (byte)((pixel >> 8) & 0xff); frameData[i++] = (byte)(pixel & 0xff); // for (int k = 0; k < preIncr; ++k) frameData[i++] = 0xff; // for (int k = 0; k < comps; ++k) frameData[i++] = pixelsFromJpeg[k][x, y]; } } oldPixelData.Unload(); if (newPixelData.IsPlanar) { DcmCodecHelper.ChangePlanarConfiguration(frameData, frameData.Length / newPixelData.BytesAllocated, newPixelData.BitsAllocated, newPixelData.SamplesPerPixel, 0); } newPixelData.AddFrame(frameData); } } catch (Exception e) { Debug.Log.Error("Failed to decode JPEG image: {0}, reason: {1}", e.StackTrace, e.Message); } }
public void Encode(DcmDataset dataset, DcmPixelData oldPixelData, DcmPixelData newPixelData, DcmCodecParameters parameters) { throw new NotSupportedException("JPEG encoding currently not supported"); }
private void DrawImageBox(DcmImageBox imageBox, Graphics graphics, Point position, int width, int height, int dpiX, int dpiY) { DcmDataset dataset = imageBox.ImageSequence; if (!dataset.Contains(DicomTags.PixelData)) { return; } DcmPixelData pixelData = new DcmPixelData(dataset); PinnedIntArray pixelBuffer = null; Bitmap bitmap = null; if (pixelData.SamplesPerPixel == 3) { pixelBuffer = new PinnedIntArray(pixelData.GetFrameDataS32(0)); bitmap = new Bitmap(pixelData.ImageWidth, pixelData.ImageHeight, pixelData.ImageWidth * sizeof(int), PixelFormat.Format32bppRgb, pixelBuffer.Pointer); } else { bool invert = (pixelData.PhotometricInterpretation == "MONOCHROME1"); if (imageBox.Polarity == "REVERSE") { invert = !invert; } byte[] pixelsOut = null; if (pixelData.BitsAllocated == 8) { pixelsOut = pixelData.GetFrameDataU8(0); } else { ushort[] pixels = pixelData.GetFrameDataU16(0); pixelsOut = new byte[pixels.Length]; double scale = 256.0 / 4096.0; int pixel = 0; for (int y = 0; y < pixelData.ImageHeight; y++) { for (int x = 0; x < pixelData.ImageWidth; x++) { pixelsOut[pixel] = (byte)(pixels[pixel] * scale); pixel++; } } pixels = null; } bitmap = new Bitmap(pixelData.ImageWidth, pixelData.ImageHeight, PixelFormat.Format8bppIndexed); if (invert) { ColorTable.Apply(bitmap, ColorTable.Monochrome1); } else { ColorTable.Apply(bitmap, ColorTable.Monochrome2); } BitmapData bmData = bitmap.LockBits(new Rectangle(0, 0, pixelData.ImageWidth, pixelData.ImageHeight), ImageLockMode.ReadWrite, PixelFormat.Format8bppIndexed); IntPtr pos = bmData.Scan0; for (int i = 0, c = pixelsOut.Length; i < c; i += bmData.Width) { Marshal.Copy(pixelsOut, i, pos, bmData.Width); pos = new IntPtr(pos.ToInt64() + bmData.Stride); } bitmap.UnlockBits(bmData); } //bitmap.SetResolution(dpiX, dpiY); int border = 3; double factor = Math.Min((double)height / (double)bitmap.Height, (double)width / (double)bitmap.Width); int drawWidth = (int)(bitmap.Width * factor) - (border * 2); int drawHeight = (int)(bitmap.Height * factor) - (border * 2); int drawX = position.X + ((width - drawWidth) / 2); int drawY = position.Y + ((height - drawHeight) / 2); graphics.DrawImage(bitmap, drawX, drawY, drawWidth, drawHeight); }
/// <summary> /// Scan header of JPEG image to determine image bit depth /// </summary> /// <param name="pixelData"></param> /// <returns></returns> /// <remarks>C# translation of corresponding managed C++ method in JpegHelper.h in the Dicom.Codec(64) project. /// Original C++ implementation (probably) emanates from OFFIS DCMTK, djcodecd.cxx</remarks> public static int ScanHeaderForBitDepth(DcmPixelData pixelData) { ByteBuffer buffer = pixelData.PixelDataSequence.Fragments[0]; MemoryStream ms = buffer.Stream; BinaryReader br = EndianBinaryReader.Create(ms, Endian.Big); long length = ms.Length; while (ms.Position < length) { ushort marker = br.ReadUInt16(); switch (marker) { case 0xffc0: // SOF_0: JPEG baseline case 0xffc1: // SOF_1: JPEG extended sequential DCT case 0xffc2: // SOF_2: JPEG progressive DCT case 0xffc3: // SOF_3: JPEG lossless sequential case 0xffc5: // SOF_5: differential (hierarchical) extended sequential, Huffman case 0xffc6: // SOF_6: differential (hierarchical) progressive, Huffman case 0xffc7: // SOF_7: differential (hierarchical) lossless, Huffman ms.Seek(2, SeekOrigin.Current); return(br.ReadByte()); case 0xffc8: // Reserved for JPEG extentions ms.Seek(br.ReadUInt16() - 2, SeekOrigin.Current); break; case 0xffc9: // SOF_9: extended sequential, arithmetic case 0xffca: // SOF_10: progressive, arithmetic case 0xffcb: // SOF_11: lossless, arithmetic case 0xffcd: // SOF_13: differential (hierarchical) extended sequential, arithmetic case 0xffce: // SOF_14: differential (hierarchical) progressive, arithmetic case 0xffcf: // SOF_15: differential (hierarchical) lossless, arithmetic ms.Seek(2, SeekOrigin.Current); return(br.ReadByte()); case 0xffc4: // DHT case 0xffcc: // DAC ms.Seek(br.ReadUInt16() - 2, SeekOrigin.Current); break; case 0xffd0: // RST m case 0xffd1: case 0xffd2: case 0xffd3: case 0xffd4: case 0xffd5: case 0xffd6: case 0xffd7: case 0xffd8: // SOI case 0xffd9: // EOI break; case 0xffda: // SOS case 0xffdb: // DQT case 0xffdc: // DNL case 0xffdd: // DRI case 0xffde: // DHP case 0xffdf: // EXP case 0xffe0: // APPn case 0xffe1: case 0xffe2: case 0xffe3: case 0xffe4: case 0xffe5: case 0xffe6: case 0xffe7: case 0xffe8: case 0xffe9: case 0xffea: case 0xffeb: case 0xffec: case 0xffed: case 0xffee: case 0xffef: case 0xfff0: // JPGn case 0xfff1: case 0xfff2: case 0xfff3: case 0xfff4: case 0xfff5: case 0xfff6: case 0xfff7: case 0xfff8: case 0xfff9: case 0xfffa: case 0xfffb: case 0xfffc: case 0xfffd: case 0xfffe: // COM ms.Seek(br.ReadUInt16() - 2, SeekOrigin.Current); break; case 0xff01: // TEM break; default: int b1 = br.ReadByte(); int b2 = br.ReadByte(); if (b1 == 0xff && b2 > 2 && b2 <= 0xbf) // RES reserved markers { break; } throw new DicomCodecException("Unable to determine bit depth: JPEG syntax error!"); } } throw new DicomCodecException("Unable to determine bit depth: no JPEG SOF marker found!"); }
public string MakeGreyDicom(byte[] greybytes, ushort imgwidth, ushort imgheight) { DcmUID studyUid = DcmUID.Generate(); DcmUID seriesUid = DcmUID.Generate(studyUid, 1); DcmUID instUid = DcmUID.Generate(seriesUid, 1); DcmDataset data = new DcmDataset(DcmTS.ExplicitVRBigEndian); //.ImplicitVRLittleEndian ok data.AddElementWithValue(DcmTags.SOPClassUID, DcmUIDs.CTImageStorage); //ComputedRadiographyImageStorage ok //data.AddElementWithValue(DcmTags.SOPClassUID, DcmUIDs .SecondaryCapture); data.AddElementWithValue(DcmTags.StudyInstanceUID, studyUid); data.AddElementWithValue(DcmTags.SeriesInstanceUID, seriesUid); data.AddElementWithValue(DcmTags.SOPInstanceUID, instUid);//"1.3.6.1.4.1.30071.6.635719267134010719.1.1" //data.AddElementWithValue(DcmTags.MediaStorageSOPClassUID, DcmUIDs.ImplicitVRLittleEndian); //data.AddElementWithValueString(DcmTags.MediaStorageSOPClassUID, DcmUIDs.ComputedRadiographyImageStorage.ToString()); //type 2 attributes ////data.AddElement(DcmTags.PrinterStatus); if (tags.ContainsKey("0010,0020")) { data.AddElementWithValueString(DcmTags.PatientID, tags["0010,0020"].Substring(5)); } if (tags.ContainsKey("0010,0010")) { data.AddElementWithValueString(DcmTags.PatientsName, tags["0010,0010"].Substring(5)); } if (tags.ContainsKey("0010,0030")) { data.AddElementWithValueString(DcmTags.PatientsBirthDate, tags["0010,0030"].Substring(5)); } if (tags.ContainsKey("0010,0040")) { data.AddElementWithValueString(DcmTags.PatientsSex, tags["0010,0040"].Substring(5)); } if (tags.ContainsKey("0010,1010")) { data.AddElementWithValueString(DcmTags.PatientsAge, tags["0010,1010"].Substring(5)); } if (tags.ContainsKey("0008,0005")) { data.AddElementWithValueString(DcmTags.SpecificCharacterSet, tags["0008,0005"].Substring(5)); } if (tags.ContainsKey("0008,0008")) { data.AddElementWithValueString(DcmTags.ImageType, tags["0008,0008"].Substring(5)); } //if (tags.ContainsKey("0008,0016")) // data.AddElementWithValueString(DcmTags.ContentTime, DateTime.Now.ToString()); //if (tags.ContainsKey("0008,0018")) // data.AddElementWithValueString(DcmTags.ContentTime, DateTime.Now.ToString()); if (tags.ContainsKey("0008,0020")) { data.AddElementWithValueString(DcmTags.StudyDate, tags["0008,0020"].Substring(5)); } if (tags.ContainsKey("0008,0021")) { data.AddElementWithValueString(DcmTags.SeriesDate, tags["0008,0021"].Substring(5)); } if (tags.ContainsKey("0008,0022")) { data.AddElementWithValueString(DcmTags.AcquisitionDate, tags["0008,0022"].Substring(5)); } if (tags.ContainsKey("0008,0023")) { data.AddElementWithValueString(DcmTags.ContentDate, tags["0008,0023"].Substring(5)); } if (tags.ContainsKey("0008,002a")) { data.AddElementWithValueString(DcmTags.AcquisitionDateTime, tags["0008,002a"].Substring(5)); } if (tags.ContainsKey("0008,0030")) { data.AddElementWithValueString(DcmTags.StudyTime, tags["0008,0030"].Substring(5)); } if (tags.ContainsKey("0008,0031")) { data.AddElementWithValueString(DcmTags.SeriesTime, tags["0008,0031"].Substring(5)); } if (tags.ContainsKey("0008,0032")) { data.AddElementWithValueString(DcmTags.AcquisitionTime, tags["0008,0032"].Substring(5)); } if (tags.ContainsKey("0008,0033")) { data.AddElementWithValueString(DcmTags.ContentTime, tags["0008,0033"].Substring(5)); } if (tags.ContainsKey("0008,0050")) { data.AddElementWithValueString(DcmTags.AcquisitionNumber, tags["0008,0050"].Substring(5)); } if (tags.ContainsKey("0008,0060")) { data.AddElementWithValueString(DcmTags.Modality, tags["0008,0060"].Substring(5)); } if (tags.ContainsKey("0008,0070")) { data.AddElementWithValueString(DcmTags.Manufacturer, tags["0008,0070"].Substring(5)); } if (tags.ContainsKey("0008,0080")) { data.AddElementWithValueString(DcmTags.InstitutionName, tags["0008,0080"].Substring(5)); } if (tags.ContainsKey("0008,0081")) { data.AddElementWithValueString(DcmTags.InstitutionAddress, tags["0008,0081"].Substring(5)); } if (tags.ContainsKey("0008,0090")) { data.AddElementWithValueString(DcmTags.ReferringPhysiciansName, tags["0008,0090"].Substring(5)); } if (tags.ContainsKey("0008,1010")) { data.AddElementWithValueString(DcmTags.StationName, tags["0008,1010"].Substring(5)); } if (tags.ContainsKey("0008,1030")) { data.AddElementWithValueString(DcmTags.StudyDescription, tags["0008,1030"].Substring(5)); } if (tags.ContainsKey("0008,103e")) { data.AddElementWithValueString(DcmTags.SeriesDescription, tags["0008,103e"].Substring(5)); } if (tags.ContainsKey("0008,1090")) { data.AddElementWithValueString(DcmTags.ManufacturersModelName, tags["0008,1090"].Substring(5)); } if (tags.ContainsKey("0018,0010")) { data.AddElementWithValueString(DcmTags.ContrastBolusAgent, tags["0018,0010"].Substring(5)); } if (tags.ContainsKey("0018,0015")) { data.AddElementWithValueString(DcmTags.BodyPartExamined, tags["0018,0015"].Substring(5)); } if (tags.ContainsKey("0018,0050")) { data.AddElementWithValueString(DcmTags.SliceThickness, tags["0018,0050"].Substring(5)); } if (tags.ContainsKey("0018,0060")) { data.AddElementWithValueString(DcmTags.KVP, tags["0018,0060"].Substring(5)); } if (tags.ContainsKey("0018,0090")) { data.AddElementWithValueString(DcmTags.DataCollectionDiameter, tags["0018,0090"].Substring(5)); } if (tags.ContainsKey("0018,1000")) { data.AddElementWithValueString(DcmTags.DeviceSerialNumber, tags["0018,1000"].Substring(5)); } if (tags.ContainsKey("0018,1020")) { data.AddElementWithValueString(DcmTags.SoftwareVersions, tags["0018,1020"].Substring(5)); } if (tags.ContainsKey("0018,1030")) { data.AddElementWithValueString(DcmTags.ProtocolName, tags["0018,1030"].Substring(5)); } if (tags.ContainsKey("0018,1041")) { data.AddElementWithValueString(DcmTags.ContrastBolusVolume, tags["0018,1041"].Substring(5)); } if (tags.ContainsKey("0018,1042")) { data.AddElementWithValueString(DcmTags.ContrastBolusStartTime, tags["0018,1042"].Substring(5)); } if (tags.ContainsKey("0018,1043")) { data.AddElementWithValueString(DcmTags.ContrastBolusStopTime, tags["0018,1043"].Substring(5)); } if (tags.ContainsKey("0018,1044")) { data.AddElementWithValueString(DcmTags.ContrastBolusTotalDose, tags["0018,1044"].Substring(5)); } if (tags.ContainsKey("0018,1046")) { data.AddElementWithValueString(DcmTags.ContrastFlowRate, tags["0018,1046"].Substring(5)); } if (tags.ContainsKey("0018,1047")) { data.AddElementWithValueString(DcmTags.ContrastFlowDuration, tags["0018,1047"].Substring(5)); } if (tags.ContainsKey("0018,1049")) { data.AddElementWithValueString(DcmTags.ContrastBolusIngredientConcentration, tags["0018,1049"].Substring(5)); } if (tags.ContainsKey("0018,1100")) { data.AddElementWithValueString(DcmTags.ReconstructionDiameter, tags["0018,1100"].Substring(5)); } if (tags.ContainsKey("0018,1110")) { data.AddElementWithValueString(DcmTags.DistanceSourceToDetector, tags["0018,1110"].Substring(5)); } if (tags.ContainsKey("0018,1111")) { data.AddElementWithValueString(DcmTags.DistanceSourceToPatient, tags["0018,1111"].Substring(5)); } if (tags.ContainsKey("0018,1120")) { data.AddElementWithValueString(DcmTags.GantryDetectorTilt, tags["0018,1120"].Substring(5)); } if (tags.ContainsKey("0018,1130")) { data.AddElementWithValueString(DcmTags.TableHeight, tags["0018,1130"].Substring(5)); } if (tags.ContainsKey("0018,1140")) { data.AddElementWithValueString(DcmTags.RotationDirection, tags["0018,1140"].Substring(5)); } if (tags.ContainsKey("0018,1150")) { data.AddElementWithValueString(DcmTags.ExposureTime, tags["0018,1150"].Substring(5)); } if (tags.ContainsKey("0018,1151")) { data.AddElementWithValueString(DcmTags.XRayTubeCurrent, tags["0018,1151"].Substring(5)); } if (tags.ContainsKey("0018,1152")) { data.AddElementWithValueString(DcmTags.Exposure, tags["0018,1152"].Substring(5)); } if (tags.ContainsKey("0018,1160")) { data.AddElementWithValueString(DcmTags.FilterType, tags["0018,1160"].Substring(5)); } if (tags.ContainsKey("0018,1170")) { data.AddElementWithValueString(DcmTags.GeneratorPower, tags["0018,1170"].Substring(5)); } if (tags.ContainsKey("0018,1190")) { data.AddElementWithValueString(DcmTags.FocalSpots, tags["0018,1190"].Substring(5)); } if (tags.ContainsKey("0018,1200")) { data.AddElementWithValueString(DcmTags.DateOfLastCalibration, tags["0018,1200"].Substring(5)); } if (tags.ContainsKey("0018,1201")) { data.AddElementWithValueString(DcmTags.TimeOfLastCalibration, tags["0018,1201"].Substring(5)); } if (tags.ContainsKey("0018,1210")) { data.AddElementWithValueString(DcmTags.ConvolutionKernel, tags["0018,1210"].Substring(5)); } if (tags.ContainsKey("0018,5100")) { data.AddElementWithValueString(DcmTags.PatientPosition, tags["0018,5100"].Substring(5)); } //if (tags.ContainsKey("0020,000D")) // data.AddElementWithValueString(DcmTags.ContrastBolusStopTime, DateTime.Now.ToString()); //if (tags.ContainsKey("0020,000E")) // data.AddElementWithValueString(DcmTags.ContrastBolusStopTime, DateTime.Now.ToString()); if (tags.ContainsKey("0020,0010")) { data.AddElementWithValueString(DcmTags.StudyID, tags["0020,0010"].Substring(5)); } if (tags.ContainsKey("0020,0011")) { data.AddElementWithValueString(DcmTags.SeriesNumber, tags["0020,0011"].Substring(5)); } if (tags.ContainsKey("0020,0012")) { data.AddElementWithValueString(DcmTags.AccessionNumber, tags["0020,0012"].Substring(5)); } if (tags.ContainsKey("0020,0013")) { data.AddElementWithValueString(DcmTags.InstanceNumber, tags["0020,0013"].Substring(5)); } if (tags.ContainsKey("0020,0032")) { data.AddElementWithValueString(DcmTags.ImagePositionPatient, tags["0020,0032"].Substring(5)); } if (tags.ContainsKey("0020,0037")) { data.AddElementWithValueString(DcmTags.ImageOrientationPatient, tags["0020,0037"].Substring(5)); } if (tags.ContainsKey("0020,0052")) { data.AddElementWithValueString(DcmTags.FrameOfReferenceUID, tags["0020,0052"].Substring(5)); } if (tags.ContainsKey("0020,1040")) { data.AddElementWithValueString(DcmTags.PositionReferenceIndicator, tags["0020,1040"].Substring(5)); } if (tags.ContainsKey("0020,1041")) { data.AddElementWithValueString(DcmTags.SliceLocation, tags["0020,1041"].Substring(5)); } if (tags.ContainsKey("0020,4000")) { data.AddElementWithValueString(DcmTags.ImageComments, tags["0020,4000"].Substring(5)); } //data.AddElementWithValueString(DcmTags.StudyTime, DateTime.Now.ToString()); //data.AddElementWithValueString(DcmTags.AccessionNumber, ""); //data.AddElementWithValueString(DcmTags.ReferringPhysiciansName, ""); //data.AddElementWithValueString(DcmTags.StudyID, "1"); //data.AddElementWithValueString(DcmTags.SeriesNumber, "1"); //data.AddElementWithValueString(DcmTags.ModalitiesInStudy, "CT");//CR //data.AddElementWithValueString(DcmTags.Modality, "CT");//CR //data.AddElementWithValueString(DcmTags.NumberOfStudyRelatedInstances, "1"); //data.AddElementWithValueString(DcmTags.NumberOfStudyRelatedSeries, "1"); //data.AddElementWithValueString(DcmTags.NumberOfSeriesRelatedInstances, "1"); //data.AddElementWithValueString(DcmTags.PatientOrientation, "HFS");//F/A //data.AddElementWithValueString(DcmTags.ImageLaterality, "U"); if (tags.ContainsKey("0028,1050")) { data.AddElementWithValueString(DcmTags.WindowCenter, "1113"); } if (tags.ContainsKey("0028,1051")) { data.AddElementWithValueString(DcmTags.WindowWidth, "749"); } //data.AddElementWithValueString(DcmTags.WindowCenterWidthExplanation, "WINDOW1\\WINDOW2"); data.AddElementWithValueString(DcmTags.PixelRepresentation, "0"); data.AddElementWithValueString(DcmTags.RescaleIntercept, "0");//0 data.AddElementWithValueString(DcmTags.RescaleSlope, "1"); //data.AddElementWithValueString(DcmTags.RotationDirection, "CW"); //ushort bitdepth = 2;未使用过 DcmPixelData pixelData = new DcmPixelData(DcmTS.ImplicitVRLittleEndian); pixelData.PixelRepresentation = 0;//ok pixelData.ImageWidth = imgwidth; pixelData.ImageHeight = imgheight; pixelData.SamplesPerPixel = 1; //ok pixelData.HighBit = 15; //ok pixelData.BitsStored = 16; //ok pixelData.BitsAllocated = 16; //ok //pixelData.SamplesPerPixel = 1; //pixelData.HighBit = 7; //pixelData.BitsStored = 8; //pixelData.BitsAllocated = 8; pixelData.ImageType = "ORIGINAL\\PRIMARY\\AXIAL"; pixelData.PhotometricInterpretation = "MONOCHROME2";//2 byte gray? //ok //pixelData.FragmentSize //pixelData.IsLossy = true; //pixelData.LossyCompressionMethod = "01"; pixelData.PixelDataElement = DcmElement.Create(DcmTags.PixelData, DcmVR.OW); //OB: Other Byte, OW: Other Word //pixelData.AddFrame(bmpBytes); pixelData.AddFrame(greybytes); pixelData.UpdateDataset(data); DicomFileFormat ff = new DicomFileFormat(data); //string fileout = System.IO.Path.Combine(Directory.GetCurrentDirectory(), "greyimg_test.dcm"); ff.Save(fileout, Dicom.DicomWriteOptions.Default);//Default ff = null; return(fileout); }