opencv3_java 图形图像的翻转Flip flip

图形图像的翻转Flip flip

package opencv_java_demo;import org.opencv.core.*;import org.opencv.imgcodecs.*;import org.opencv.imgproc.*;public class Flip {public static void main(String[] args) {try{System.loadLibrary(Core.NATIVE_LIBRARY_NAME);Mat src=Imgcodecs.imread("./images/lenna.jpg");//读取图像到矩阵中if(src.empty()){throw new Exception("no file");}Mat dst = src.clone();//复制矩阵进入dstCore.flip(src,dst,0);//倒过来Imgcodecs.imwrite("./images/flip0.jpg", dst);Core.flip(src,dst,1);//翻转Imgcodecs.imwrite("./images/flip1.jpg", dst);Core.flip(src,dst,-1);//倒过来加反转Imgcodecs.imwrite("./images/flip2.jpg", dst);}catch(Exception e){System.out.println("例外：" + e);}}