qq_14841121的博客

1、内置函数resize：void resize(InputArray src, OutputArray dst, Size dsize, double fx=0, double fy=0, int interpolation=INTER_LINEAR )InputArray src -原图像OutputArray dst -输出图像Size dsize -目标图像的大小double fx=0 -在x轴上的缩放比例double fy=0

详细类容见一下链接：https://blog.youkuaiyun.com/qq_37406130/article/details/78725406https://blog.youkuaiyun.com/shenwanjiang111/article/details/54319630

1、c++代码：#include#include"opencv2/imgproc/imgproc.hpp"#include"opencv2/highgui/highgui.hpp"using namespace std;using namespace cv;int main(){//用mat读取Mat src = imread(“0.jpg”);if (src.empty()){cout << “文件读取失败！” << endl;return 1;}//显