opencv3_java 图片的ROI的领域合成 AddRoi

图片的ROI的领域合成 AddRoi

package opencv_java_demo;import org.opencv.core.*;import org.opencv.imgcodecs.*;public class AddRoi {public static void main(String[] args) {try{System.loadLibrary(Core.NATIVE_LIBRARY_NAME);Mat src1=Imgcodecs.imread("./images/lenna.jpg");Mat src2=Imgcodecs.imread("./images/Sobel.jpg");//读取图像到矩阵中if(src1.empty()||src2.empty()){throw new Exception("no file");}Mat dst = src1.clone();Rect roiArea=new Rect(src1.width()/4,src1.height()/4,src1.width()/2,src1.height()/2);Mat src1Roi=new Mat(src1,roiArea);Mat src2Roi=new Mat(src2,roiArea);Mat dstRoi=new Mat(dst,roiArea);Core.add(src1Roi, src2Roi, dstRoi);Imgcodecs.imwrite("./images/AddRoi.jpg", dst);}catch(Exception e){System.out.println("例外：" + e);}}}