OpenCV之图像翻转,旋转一定角度

#include "opencv/cv.h"
#include "opencv/highgui.h"
#include <iostream>

using namespace cv;
using namespace std;


int main()
{
	Mat src = imread("lena.jpg");
	if (src.data == NULL)
	{
		cout << "文件路径加载错误!"<<endl;
		return -1;
	}
	Mat dst;
	transpose(src, dst);
	Mat dst2;
	flip(dst, dst2, 1); // flip by y axis

	Mat dst3;
	flip(dst, dst3, 0); // flip by x axis

	Mat dst4;
	flip(dst, dst4, -1); // flip by both axises

	imshow("原图像", src);
	imshow("左旋90度,镜像", dst);   //左旋90,镜像
	imshow("右旋90度", dst2); //右旋90°
	imshow("左旋90度", dst3); //左旋90°
	imshow("右旋90度,镜像", dst4); //右旋90°,镜像

	waitKey();
	return 0;
}

运行结果如下:

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转载自blog.csdn.net/any1234567890/article/details/86526217
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