java dcm文件转图片

1.情景展示

如何将dicom文件转图片

2.具体分析

所需jar包

<!--dcm文件转图片-->
<!-- https://mvnrepository.com/artifact/org.dcm4che/dcm4che-core -->
<dependency>
    <groupId>org.dcm4che</groupId>
    <artifactId>dcm4che-core</artifactId>
    <version>5.27.0</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.dcm4che/dcm4che-imageio -->
<dependency>
    <groupId>org.dcm4che</groupId>
    <artifactId>dcm4che-imageio</artifactId>
    <version>5.27.0</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.dcm4che/dcm4che-image -->
<dependency>
    <groupId>org.dcm4che</groupId>
    <artifactId>dcm4che-image</artifactId>
    <version>5.27.0</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.dcm4che.tool/dcm4che-tool-dcm2jpg -->
<dependency>
    <groupId>org.dcm4che.tool</groupId>
    <artifactId>dcm4che-tool-dcm2jpg</artifactId>
    <version>5.23.3</version>
</dependency>

3.解决方案

代码实现

import lombok.Setter;
import lombok.extern.slf4j.Slf4j;
import org.dcm4che3.util.SafeClose;
import javax.imageio.ImageIO;
import javax.imageio.ImageReader;
import javax.imageio.stream.ImageInputStream;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;

private static ImageReader imageReader = ImageIO.getImageReadersByFormatName("DICOM").next();

/**
 * 将DCM文件转成图片格式
 * @param src dcm文件
 * @param target 图片文件
 */
public static void toImage(File src, File target) {
    ImageInputStream iis = null;
    BufferedImage bi;
    OutputStream out = null;
    try{
        iis = ImageIO.createImageInputStream(src);
        imageReader.setInput(iis, false);
        bi = imageReader.read(0);
        // 获取图片后缀名
        String formatName = FileUtils.getFileFormat(target);
        //out = new BufferedOutputStream(new FileOutputStream(dest));
        //JPEGImageEncoder enc = JPEGCodec.createJPEGEncoder(out);  //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。
        //enc.encode(bi);
        ImageIO.write(bi, formatName, target);
    } catch (IOException e) {
        e.printStackTrace();
        log.error(e.getMessage());
    } finally{// 关闭流
        SafeClose.close(iis);
        SafeClose.close(out);
    }

}

/**
 * dcm文件转图片
 * @param dcmPath dcm文件所在全路径
 *                C:\Users\Marydon\Desktop\16641003.dcm
 * @param imgPath 图片文件所在全路径
 *                C:\Users\Marydon\Desktop\666.png
 */
public static void toImage(String dcmPath, String imgPath) {
    toImage(new File(dcmPath), new File(imgPath));
}

测试

public static void main(String[] args) {
    toImage("C:\\Users\\Marydon\\Desktop\\16641003.dcm", "C:\\Users\\Marydon\\Desktop\\777.jpg");
}

写在最后

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