// 修改像素 #include #include using namespace std; using namespace cv; int main() { string image_path = "../img/1.png"; Mat image = imread(image_path); Mat result = image.clone(); if (image.empty()) { cout << "错误:无法加载图像,请检查路径是否正确。" << endl; return -1; } Rect roi_rect(0, 0, 100, 100); Mat roi = result(roi_rect); roi.setTo(Scalar(0, 255, 0)); imshow("Original (Unchanged)", image); imshow("Modified Copy", result); waitKey(0); return 0; }