初识Opencv4.X----图像尺寸变换

//图像沿xy轴翻转 #include <stdio.h> #include <iostream> #include <string> #include <opencv2\opencv.hpp> using namespace std; using namespace cv; int main() { Mat img = imread("person3.jpeg"); Mat dst; namedWindow("原图", WINDOW_NORMAL); imshow("原图", img); flip(img, dst, 0);//x轴 namedWindow("沿x轴翻转", WINDOW_NORMAL); imshow("沿x轴翻转", dst); flip(img, dst, 1);//y轴 namedWindow("沿y轴翻转", WINDOW_NORMAL); imshow("沿y轴翻转", dst); flip(img, dst, -1);//先沿x轴，再沿y轴 namedWindow("先沿x轴，再沿y轴", WINDOW_NORMAL); imshow("先沿x轴，再沿y轴", dst); waitKey(0); return 0; } //图像沿xy轴翻转 #include <stdio.h> #include <iostre