/* 柯博文老師 www.powenko.com */ #include <iostream> #include <opencv2/core/core.hpp> #include <opencv2/highgui/highgui.hpp> #include <opencv2/opencv.hpp> using namespace cv ; using namespace std ; int main() { Mat image = cv::imread("/Users/powenko/Desktop/1.png"); // Mat image=imread("/Users/powenko/Desktop/1.png",1); int startX=200,startY=200,width=200,height=200; Mat ROI(image, Rect(startX,startY,width,height)); Mat croppedImage; ROI.copyTo(croppedImage); cv::namedWindow("Image") ; cv::imshow("Image", image) ; cv::imshow("PowenKo.com Result", croppedImage) ; cv::waitKey() ; return 0; }