public override DcmItem Clone() { DcmItemSequenceItem si = new DcmItemSequenceItem(StreamPosition, StreamLength); si.Dataset = Dataset.Clone(); return(si); }
public DcmFilmBox Clone() { DcmFilmBox box = new DcmFilmBox(_session, SOPInstanceUID, Dataset.Clone()); foreach (DcmImageBox imageBox in BasicImageBoxes) { box.BasicImageBoxes.Add(imageBox.Clone()); } return(box); }
/// <summary> /// Loads the pixel data for specified frame and set the internal dataset /// /// </summary> /// <param name="dataset">dataset to load pixeldata from</param> /// <param name="frame">The frame number to create pixeldata for</param> private void Load(DicomDataset dataset, int frame) { Dataset = DicomTranscoder.ExtractOverlays(dataset); if (PixelData == null) { PixelData = DicomPixelData.Create(Dataset); PhotometricInterpretation = PixelData.PhotometricInterpretation; } if (frame < 0) { CurrentFrame = frame; return; } if (Dataset.InternalTransferSyntax.IsEncapsulated) { // decompress single frame from source dataset var transcoder = new DicomTranscoder( this.Dataset.InternalTransferSyntax, DicomTransferSyntax.ExplicitVRLittleEndian); var buffer = transcoder.DecodeFrame(Dataset, frame); // clone the dataset because modifying the pixel data modifies the dataset var clone = Dataset.Clone(); clone.InternalTransferSyntax = DicomTransferSyntax.ExplicitVRLittleEndian; var pixelData = DicomPixelData.Create(clone, true); TrimDecodedPixelDataProperties(pixelData, Dataset.InternalTransferSyntax); pixelData.AddFrame(buffer); _pixelData = PixelDataFactory.Create(pixelData, 0); } else { // pull uncompressed frame from source pixel data _pixelData = PixelDataFactory.Create(PixelData, frame); } _pixelData = _pixelData.Rescale(_scale); _overlays = DicomOverlayData.FromDataset(Dataset) .Where(x => x.Type == DicomOverlayType.Graphics && x.Data != null) .ToArray(); CurrentFrame = frame; if (_pipeline == null) { CreatePipeline(); } }
/// <summary> /// Transforms the dataset to match the given reference original dataset /// </summary> /// <param name="p_reference">Dataset to match</param> /// <returns>The transformed dataset matched to the reference</returns> public double[,] Transform(ProcrustedDataset p_reference) { // Make a copy of the current Procrustes dataset double[,] tData = (double[, ])Dataset.Clone(); // Rotate the dataset to match the reference dataset rotation tData = tData.Dot(p_reference.RotationMatrix.Transpose()); // Scale the dataset to match the reference scale tData = tData.Multiply(p_reference.Scale); // Prepare a negative translation vector to... double[] refCenter = p_reference.Center.Multiply(-1); // ... move the dataset to the same center as the reference tData = tData.Center(refCenter); return(tData); }
public DcmFilmSession Clone() { return(new DcmFilmSession(SessionClassUID, SOPInstanceUID, Dataset.Clone())); }
public DcmImageBox Clone() { return(new DcmImageBox(_filmBox, SOPClassUID, SOPInstanceUID, Dataset.Clone())); }
/// <summary> /// Loads the pixel data for specified frame and set the internal dataset /// /// </summary> /// <param name="dataset">dataset to load pixeldata from</param> /// <param name="frame">The frame number to create pixeldata for</param> private void Load(DicomDataset dataset, int frame) { Dataset = DicomTranscoder.ExtractOverlays(dataset); if (PixelData == null) { PixelData = DicomPixelData.Create(Dataset); PhotometricInterpretation = PixelData.PhotometricInterpretation; } if (Dataset.InternalTransferSyntax.IsEncapsulated) { // decompress single frame from source dataset DicomCodecParams cparams = null; if (Dataset.InternalTransferSyntax == DicomTransferSyntax.JPEGProcess1 || Dataset.InternalTransferSyntax == DicomTransferSyntax.JPEGProcess2_4) { cparams = new DicomJpegParams { ConvertColorspaceToRGB = true }; } var transcoder = new DicomTranscoder(Dataset.InternalTransferSyntax, DicomTransferSyntax.ExplicitVRLittleEndian); transcoder.InputCodecParams = cparams; transcoder.OutputCodecParams = cparams; var buffer = transcoder.DecodeFrame(Dataset, frame); // clone the dataset because modifying the pixel data modifies the dataset var clone = Dataset.Clone(); clone.InternalTransferSyntax = DicomTransferSyntax.ExplicitVRLittleEndian; var pixelData = DicomPixelData.Create(clone, true); pixelData.AddFrame(buffer); // temporary fix for JPEG compressed YBR images if ((Dataset.InternalTransferSyntax == DicomTransferSyntax.JPEGProcess1 || Dataset.InternalTransferSyntax == DicomTransferSyntax.JPEGProcess2_4) && pixelData.SamplesPerPixel == 3) { pixelData.PhotometricInterpretation = PhotometricInterpretation.Rgb; } // temporary fix for JPEG 2000 Lossy images if (pixelData.PhotometricInterpretation == PhotometricInterpretation.YbrIct || pixelData.PhotometricInterpretation == PhotometricInterpretation.YbrRct) { pixelData.PhotometricInterpretation = PhotometricInterpretation.Rgb; } _pixelData = PixelDataFactory.Create(pixelData, 0); } else { // pull uncompressed frame from source pixel data _pixelData = PixelDataFactory.Create(PixelData, frame); } _pixelData = _pixelData.Rescale(_scale); _overlays = DicomOverlayData.FromDataset(Dataset).Where(x => x.Type == DicomOverlayType.Graphics && x.Data != null).ToArray(); _currentFrame = frame; CreatePipeline(); }