一.鼠标截图 #include<opencv2/opencv.hpp> #include<iostream> using namespace cv; using namespace std; Mat img=imread("E://1.jpg"); Mat temp=img.clone(); Mat ROI; Point pt; bool flag=false; void onMouse(int event,int x,int y,int flag,void*
鼠标事件和滑动条控制在计算机视觉和OpenCV中非常有用,使用这些控件,用户可以直接与图形界面交互,改变输入图像或者变量的属性值. /* In this section, we are going to introduce you to the concepts of adding slider and mouse events for basic interactions. To understand this correctly, we will create a small project