ReadDicomImage

Iterator<ImageReader> iter = ImageIO.getImageReadersByFormatName("DICOM");

ImageReader readers = (ImageReader)iter.next();

//return DicomImageReadParam
DicomImageReadParam param1 = (DicomImageReadParam) readers.getDefaultReadParam();

// Adjust the values of Rows and Columns in it and add a Pixel Data attribute with the byte array from the DataBuffer of the scaled Raster

ImageInputStream iis = ImageIO.createImageInputStream(file);

//sets the input source to use the given ImageInputSteam or other Object
readers.setInput(iis, true);
BufferedImage image = readers.read(frameNumber, param1);

//Releases all of the native sreen resources used by this Window, its subcomponents, and all of its owned children
readers.dispose();

ImageIO.write(image, "jpg", new File("D://dd1//"+value+".jpg"));