예제 #1
0
        public void Init()
        {
            var dicomFile = new DicomFileFormat();

            dicomFile.Load(@"Testdata\CT-MONO2-16-chest", DicomReadOptions.Default);
            _instance = new DcmPixelData(dicomFile.Dataset);
        }
예제 #2
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파일: IPipeline.cs 프로젝트: vigilant/mdcm
 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 if (pi == PhotometricInterpretation.YbrFull || pi == PhotometricInterpretation.YbrFull422)
     {
         return new RgbColorPipeline();
     }
     else
     {
         throw new DicomImagingException("Unsupported pipeline photometric interpretation: {0}", pi.Value);
     }
 }
예제 #3
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파일: DcmRleCodec.cs 프로젝트: GMZ/mdcm
        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);
            }
        }
예제 #4
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		public DcmPixelData(DicomTransferSyntax ts, DcmPixelData old) {
			_transferSyntax = ts;
			_lossy = old.IsLossy;
			_lossyMethod = old.LossyCompressionMethod;
			_lossyRatio = old._lossyRatio;
			_frames = 0;
			_width = old.ImageWidth;
			_height = old.ImageHeight;
			_highBit = old.HighBit;
			_bitsStored = old.BitsStored;
			_bitsAllocated = old.BitsAllocated;
			_samplesPerPixel = old.SamplesPerPixel;
			_pixelRepresentation = old.PixelRepresentation;
			_planarConfiguration = old.PlanarConfiguration;
			_photometricInterpretation = old.PhotometricInterpretation;
			_rescaleSlope = old.RescaleSlope;
			_rescaleIntercept = old.RescaleIntercept;
			_pixelPaddingValue = old.PixelPaddingValue;
			CreatePixelDataItem();
		}
예제 #5
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 public DcmPixelData(DicomTransferSyntax ts, DcmPixelData old)
 {
     _transferSyntax            = ts;
     _lossy                     = old.IsLossy;
     _lossyMethod               = old.LossyCompressionMethod;
     _lossyRatio                = old._lossyRatio;
     _frames                    = 0;
     _width                     = old.ImageWidth;
     _height                    = old.ImageHeight;
     _highBit                   = old.HighBit;
     _bitsStored                = old.BitsStored;
     _bitsAllocated             = old.BitsAllocated;
     _samplesPerPixel           = old.SamplesPerPixel;
     _pixelRepresentation       = old.PixelRepresentation;
     _planarConfiguration       = old.PlanarConfiguration;
     _photometricInterpretation = old.PhotometricInterpretation;
     _rescaleSlope              = old.RescaleSlope;
     _rescaleIntercept          = old.RescaleIntercept;
     _pixelPaddingValue         = old.PixelPaddingValue;
     CreatePixelDataItem();
 }
예제 #6
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파일: DcmRleCodec.cs 프로젝트: GMZ/mdcm
        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());
            }
        }
예제 #7
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        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);
        }
예제 #8
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        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 {
            }
        }
예제 #9
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        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 {
            }
        }
예제 #10
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파일: PixelData.cs 프로젝트: rameshr/mdcm
 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);
     }
 }
예제 #11
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파일: DcmCodecHelper.cs 프로젝트: GMZ/mdcm
 public static void DumpFrameToDisk(DcmDataset data, int frame, string file)
 {
     DcmPixelData pixelData = new DcmPixelData(data);
     byte[] pixels = pixelData.GetFrameDataU8(frame);
     File.WriteAllBytes(file, pixels);
 }
예제 #12
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        private void UpdateImageBox(DcmImageBox imageBox, String filename, int index)
        {
            try
            {
                DicomFileFormat ff = new DicomFileFormat();
                ff.Load(filename, DicomReadOptions.DefaultWithoutDeferredLoading);
                if (ff.Dataset != null)
                {
                    ff.Dataset.ChangeTransferSyntax(DicomTransferSyntax.ImplicitVRLittleEndian, null);

                    DcmPixelData pixelData = new DcmPixelData(ff.Dataset);
                    PhotometricInterpretation pi = PhotometricInterpretation.Lookup(pixelData.PhotometricInterpretation);

                    // Grayscale only printer?
                    if (pi.IsColor == true && _supportsColorPrinting == false)
                    {
                        pixelData.Unload();
                        return;
                    }

                    // Color only printer?
                    if (pi.IsColor == false && _supportsGrayscalePrinting == false)
                    {
                        pixelData.Unload();
                        return;
                    }

                    DicomUID imageBoxSOPClassUID = null;
                    DcmItemSequence seq = null;
                    DcmItemSequenceItem item = new DcmItemSequenceItem();
                    pixelData.UpdateDataset(item.Dataset);

                    if (pi.IsColor == true)
                    {
                        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)
            {
            }
        }
예제 #13
0
파일: DicomImage.cs 프로젝트: fo-dicom/mdcm

        
예제 #14
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 public void Init()
 {
     var dicomFile = new DicomFileFormat();
     dicomFile.Load(@"Testdata\CT-MONO2-16-chest", DicomReadOptions.Default);
     _instance = new DcmPixelData(dicomFile.Dataset);
 }
예제 #15
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        public void ChangeTransferSyntax(DicomTransferSyntax newTransferSyntax, DcmCodecParameters parameters)
        {
            DicomTransferSyntax oldTransferSyntax = InternalTransferSyntax;

            if (oldTransferSyntax == newTransferSyntax)
                return;

            if (oldTransferSyntax.IsEncapsulated && newTransferSyntax.IsEncapsulated) {
                ChangeTransferSyntax(DicomTransferSyntax.ExplicitVRLittleEndian, parameters);
                oldTransferSyntax = DicomTransferSyntax.ExplicitVRLittleEndian;
            }

            if (Contains(DicomTags.PixelData)) {
                DcmPixelData oldPixelData = new DcmPixelData(this);
                DcmPixelData newPixelData = new DcmPixelData(newTransferSyntax, oldPixelData);

                if (oldTransferSyntax.IsEncapsulated) {
                    IDcmCodec codec = DicomCodec.GetCodec(oldTransferSyntax);
                    codec.Decode(this, oldPixelData, newPixelData, parameters);
                }
                else if (newTransferSyntax.IsEncapsulated) {
                    IDcmCodec codec = DicomCodec.GetCodec(newTransferSyntax);
                    codec.Encode(this, oldPixelData, newPixelData, parameters);
                }
                else {
                    for (int i = 0; i < oldPixelData.NumberOfFrames; i++) {
                        byte[] data = oldPixelData.GetFrameDataU8(i);
                        newPixelData.AddFrame(data);
                    }
                }

                newPixelData.UpdateDataset(this);
            }

            SetInternalTransferSyntax(newTransferSyntax);
        }
예제 #16
0
        public string ComputePixelDataMD5()
        {
            if (!Contains(DicomTags.PixelData))
                throw new DicomDataException("Dataset does not contain pixel data");

            DcmPixelData pixelData = new DcmPixelData(this);
            return pixelData.ComputeMD5();
        }
예제 #17
0
파일: DcmJpegCodec.cs 프로젝트: GMZ/mdcm
 public void Encode(DcmDataset dataset, DcmPixelData oldPixelData, DcmPixelData newPixelData, DcmCodecParameters parameters)
 {
     throw new NotSupportedException("JPEG encoding currently not supported");
 }
예제 #18
0
파일: DcmJpegCodec.cs 프로젝트: GMZ/mdcm
        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);
            }
        }
예제 #19
0
        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;
        }