關於一下代碼幾點說明：
1.使用以下代碼能夠將標準的DICOM文件解析爲JPG格式的文件；
2.DICOM文件內沒有Image時，程序會將不能處理的DICOM文件轉出；
3.在ImageReadParam強轉爲DicomImageReadParam時有時會有問題，希望有經驗的大神幫忙解決；
4.以下代碼部分來源於網絡；地址：https://blog.csdn.net/ShallDid/article/details/77446462
5.如果有什麼問題，希望各位大神指正，再次感謝；
A:工具類（將不能轉換的DICOM文件複製到緩存文件夾）
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 {
/**
* 將文件從一個位置複製到另一個位置
* (使用FileChannel複製)
* 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：核心類DICOM轉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));
//這裏也可以使用流將圖像導出到web應用，用來搭建web版的PACS等
JPEGImageEncoder enc = JPEGCodec.createJPEGEncoder(out);
enc.encode(bi);
}finally{
SafeClose.close(iis);
SafeClose.close(out);
}
}
private ImageReadParam readParam(){
//獲取Object對象
Object Temp = imageReader.getDefaultReadParam();
//實例化子類對象
DicomImageReadParam param = new DicomImageReadParam();
//判定Object對象是否爲實例化對象
if(Temp instanceof DicomImageReadParam) {
param = (DicomImageReadParam)Temp;
System.out.println(" ---> 判斷Object對象是否爲實例化對象DicomImageReadParam： " + Temp.equals(param));
}else {
param = (DicomImageReadParam)Temp;
System.out.println(" ---> 確定Object對象不是實例化對象DicomImageReadParam： 通過強轉實現！" + param.getClass());
// String STR = JSON.toJSON(Temp).toString();
// param = JSON.parseObject(STR, param.getClass());
// System.out.println(" ---> 確定Object對象不是實例化對象DicomImageReadParam： 通過JSON進行轉換！" + 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:具體調用
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";
//不能處理的Dicom文件臨時存儲位置
publicstatic String DCM_TEMP_PATH = "E:/DESKTOP/PACS/TEST_NoStandardDcm2Image/Temp_Folder/";
//DCM轉換成Image後存儲位置
public static String JPG_PATH = "E:/DESKTOP/PACS/TEST_NoStandardDcm2Image/Produce_Image";
/**
* DCM2IMAGE
*/
private static void DCM2IMAGE(String brID, String pacsID, String PEID) {
//參數
String brIDA = brID;
String pacsIDA = pacsID;
String PEIDA = PEID;
//源文件路徑
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文件的具體位置
src = new File(DCM_PATH +"/"+ File_Name);
//PACSID+指定字符生成唯一文件夾
String Folder_Name = "IMAGE_PACS_" + pacsIDA;
//判斷存放Image文件夾是否存在
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圖像位置
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");
//遞歸調用
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;
//判斷指定文件夾是否存在
File Temp_Folder = new File(DCM_TEMP_PATH +"/"+ Temp_Folder_Name);
if(!Temp_Folder.exists()) {
Temp_Folder.mkdirs();
}
//不能處理的Dicom文件臨時存儲位置
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();
}
//遞歸調用
DCM2IMAGE(brIDA, pacsIDA, PEIDA);
}
}
}
/**
* 測試使用方法
* @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;
//獲取DICOM文件
// GET_DICOM.getPacsFromDevice(brIDB, pacsIDB, PEIDB);
//將DICOM文件轉成IMAGE
DCM2IMAGE(brIDB, pacsIDB, PEIDB);
// GET_FILETYPE();
long endTime = System.currentTimeMillis();
System.out.println(" ---> DICOM convert to Image OR Copy to TEMP Completed! ---> 程序耗時："+ (endTime - startTime) + "ms");
}
}
D：控制檯打印效果
