关于一下代码几点说明：
1.使用以下代码能够将标准的DICOM文件解析为JPG格式的文件；
2.DICOM文件内没有Image时，程序会将不能处理的DICOM文件转出；
3.在ImageReadParam强转为DicomImageReadParam时有时会有问题，希望有经验的大神帮忙解决；
4.以下代码部分来源于网络；地址：https://blog.csdn.net/ShallDid/article/details/77446462
5.如果有什么问题，希望各位大神指正，再次感谢；
A:工具类（将不能转换的DICOM文件复制到缓存文件夹）
package Other.Util;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.nio.channels.FileChannel;import java.util.ArrayList;import java.util.List;/*** @author WL* @version 1.0* @CreatTime 2018年6月20日 上午12:49:50*/public class MyUtil { /** * 将文件从一个位置复制到另一个位置 * (使用FileChannel复制) * 2018-06-20 GX */ @SuppressWarnings("resource") public static void CopyFileUsingFileChannels(File source, File dest) throws IOException { FileChannel inputChannel = null; FileChannel outputChannel = null; try{ inputChannel = new FileInputStream(source).getChannel(); outputChannel = new FileOutputStream(dest).getChannel(); outputChannel.transferFrom(inputChannel, 0, inputChannel.size()); }finally{ inputChannel.close(); outputChannel.close(); }
}
}
B：核心类DICOM转JPG
package Other.Util;import java.awt.image.BufferedImage;import java.io.BufferedOutputStream;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.io.OutputStream;import java.util.ArrayList;import java.util.HashMap;import java.util.Iterator;import java.util.List;import java.util.Map;import javax.imageio.ImageIO;import javax.imageio.ImageReadParam;import javax.imageio.ImageReader;import javax.imageio.stream.ImageInputStream;import org.dcm4che3.data.Attributes;import org.dcm4che3.imageio.plugins.dcm.DicomImageReadParam;import org.dcm4che3.util.SafeClose;import com.alibaba.fastjson.JSON;import com.alibaba.fastjson.parser.Feature;import com.sun.image.codec.jpeg.JPEGCodec;import com.sun.image.codec.jpeg.JPEGImageEncoder;public class DcmTOJpg { private final ImageReader imageReader = ImageIO.getImageReadersByFormatName("DICOM").next(); private float windowCenter; private float windowWidth; private boolean autoWindowing = true; private int windowIndex; private int voiLUTIndex; private boolean preferWindow = true; private Attributes prState; private int overlayActivationMask = 0xffff; private int overlayGrayscaleValue = 0xffff; private int frame = 1; public int getFrame() { return frame; } public void setFrame(int frame) { this.frame = frame; } public void setWindowCenter(float windowCenter) { this.windowCenter = windowCenter; } public void setWindowWidth(float windowWidth) { this.windowWidth = windowWidth; } public void setAutoWindowing(boolean autoWindowing) { this.autoWindowing = autoWindowing; } public void setWindowIndex(int windowIndex) { this.windowIndex = windowIndex; } public void setVoiLUTIndex(int voiLUTIndex) { this.voiLUTIndex = voiLUTIndex; } public void setPreferWindow(boolean preferWindow) { this.preferWindow = preferWindow; } public void setPrState(Attributes prState) { this.prState = prState; } public void setOverlayActivationMask(int overlayActivationMask) { this.overlayActivationMask = overlayActivationMask; } public void setOverlayGrayscaleValue(int overlayGrayscaleValue) { this.overlayGrayscaleValue = overlayGrayscaleValue; } public void convert(File src, File dest) throws IOException{ Iterator<ImageReader> iter = ImageIO.getImageReadersByFormatName("DICOM"); ImageReader reader = iter.next(); ImageInputStream iis = ImageIO.createImageInputStream(src); BufferedImage bi; OutputStream out = null; try{ reader.setInput(iis, false); bi = readImage(iis); if (bi == null) { System.out.println("\nError: " + src + " - couldn't read!"); return; } out = new BufferedOutputStream(new FileOutputStream(dest)); //这里也可以使用流将图像导出到web应用，用来搭建web版的PACS等 JPEGImageEncoder enc = JPEGCodec.createJPEGEncoder(out); enc.encode(bi); }finally{ SafeClose.close(iis); SafeClose.close(out); } } private ImageReadParam readParam(){ //获取Object对象 Object Temp = imageReader.getDefaultReadParam(); //实例化子类对象 DicomImageReadParam param = new DicomImageReadParam(); //判定Object对象是否为实例化对象 if(Temp instanceof DicomImageReadParam) { param = (DicomImageReadParam)Temp; System.out.println(" ---> 判断Object对象是否为实例化对象DicomImageReadParam： " + Temp.equals(param)); }else { param = (DicomImageReadParam)Temp; System.out.println(" ---> 确定Object对象不是实例化对象DicomImageReadParam： 通过强转实现！" + param.getClass()); // String STR = JSON.toJSON(Temp).toString();// param = JSON.parseObject(STR, param.getClass());// System.out.println(" ---> 确定Object对象不是实例化对象DicomImageReadParam： 通过JSON进行转换！" + param.getClass()); }// DicomImageReadParam param = (DicomImageReadParam) imageReader.getDefaultReadParam(); param.setWindowCenter(windowCenter); param.setWindowWidth(windowWidth); param.setAutoWindowing(autoWindowing); param.setWindowIndex(windowIndex); param.setVOILUTIndex(voiLUTIndex); param.setPreferWindow(preferWindow); param.setPresentationState(prState); param.setOverlayActivationMask(overlayActivationMask); param.setOverlayGrayscaleValue(overlayGrayscaleValue); return param; } private BufferedImage readImage(ImageInputStream iis) throws IOException{ imageReader.setInput(iis); return imageReader.read(frame -1, readParam()); }
}
C:具体调用
package Test_DCM2IMAGE;import java.io.BufferedReader;import java.io.File;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.text.SimpleDateFormat;import java.util.Date;import Other.Util.DcmTOJpg;import Other.Util.MyUtil;/*** @author WL* @version 1.0* @CreatTime 2018年6月21日 下午12:39:02*/public class NoStandardDCM2IMAGE { //Dicom源文件地址 public static String DCM_PATH = "E:/DESKTOP/PACS/TEST_NoStandardDcm2Image/Source_File"; //不能处理的Dicom文件临时存储位置 publicstatic String DCM_TEMP_PATH = "E:/DESKTOP/PACS/TEST_NoStandardDcm2Image/Temp_Folder/"; //DCM转换成Image后存储位置 public static String JPG_PATH = "E:/DESKTOP/PACS/TEST_NoStandardDcm2Image/Produce_Image"; /** * DCM2IMAGE */ private static void DCM2IMAGE(String brID, String pacsID, String PEID) { //参数 String brIDA = brID; String pacsIDA = pacsID; String PEIDA = PEID; //源文件路径 File src = null; //Source_File源文件名 String File_Name = null; //Image的fileName String fileName = null; try { File DicomFile = new File(DCM_PATH); File [] File_List = DicomFile.listFiles(); if (File_List.length != 0) { for (int i = 0; i < File_List.length; i++) { File_Name = File_List[i].getName(); System.out.println("NAME: " + File_Name + " Convert to Image" + " ---> STARTED "); //dcm文件的具体位置 src = new File(DCM_PATH +"/"+ File_Name); //PACSID+指定字符生成唯一文件夹 String Folder_Name = "IMAGE_PACS_" + pacsIDA; //判断存放Image文件夹是否存在 File Dest_Folder = new File(JPG_PATH +"/"+ Folder_Name); if(!Dest_Folder.exists()) { Dest_Folder.mkdirs(); fileName = String.valueOf(1); }else { File [] Image_List = Dest_Folder.listFiles(); fileName = String.valueOf((Image_List.length) + 1); } //生成的JPEG图像位置 File dest = new File(Dest_Folder +"/"+ fileName + ".jpg"); DcmTOJpg dcm2jpg = new DcmTOJpg(); dcm2jpg.convert(src, dest); src.delete(); System.out.println("NAME: " + File_Name + " Convert to Image" + " ---> SUCCESS " + "\n"); } } } catch (Exception e) {// e.printStackTrace(); String Message = e.getMessage(); String STRA = "ImageReadParam"; String STRB = "DicomImageReadParam"; String STRC = "imageIndex: 0"; if(Message.indexOf(STRA) != -1 || Message.indexOf(STRB) != -1) { System.out.println("ImageReadParam CAST TO DicomImageReadParam FAIL"); //递归调用 DCM2IMAGE(brIDA, pacsIDA, PEIDA); }else if(Message.indexOf(STRC) != -1) { System.out.println(" ---> " + File_Name + " - <NO DICOM IMAGE FOUND>"); String Temp_Folder_Name = "DICOM_TEMP_" + pacsIDA; //判断指定文件夹是否存在 File Temp_Folder = new File(DCM_TEMP_PATH +"/"+ Temp_Folder_Name); if(!Temp_Folder.exists()) { Temp_Folder.mkdirs(); } //不能处理的Dicom文件临时存储位置 File Temp = new File(Temp_Folder +"/"+ File_Name); try { MyUtil.CopyFileUsingFileChannels(src, Temp); System.out.println("COPY: " + File_Name + " - TO [" + Temp_Folder_Name + "] <COMPLETED>"); src.delete(); System.out.println("DELETE: " + File_Name + " - FROM SRC <COMPLETED>" + "\n"); } catch (IOException e1) { e1.printStackTrace(); } //递归调用 DCM2IMAGE(brIDA, pacsIDA, PEIDA); } } } /** * 测试使用方法 * @param args */ public static void main(String[] args) { long startTime = System.currentTimeMillis(); String brIDB = "A0247896"; String pacsIDB = "MR18-16054"; // String brIDB = "A0544883";// String pacsIDB = "CT18-18435"; // String brIDB = "B0243450";// String pacsIDB = "CT18-18472"; // String brIDB = "A0544883";// String pacsIDB = "CT18-18666"; String PEIDB = null; //获取DICOM文件// GET_DICOM.getPacsFromDevice(brIDB, pacsIDB, PEIDB); //将DICOM文件转成IMAGE DCM2IMAGE(brIDB, pacsIDB, PEIDB);// GET_FILETYPE(); long endTime = System.currentTimeMillis(); System.out.println(" ---> DICOM convert to Image OR Copy to TEMP Completed! ---> 程序耗时："+ (endTime - startTime) + "ms"); }
}
D：控制台打印效果
