python - 如何在 OpenCV 中获取图像的宽度和高度？

Question

我想获取图像的宽度和高度，我该如何在 OpenCV 中做到这一点？

例如:

Mat src = imread("path_to_image");
cout << src.width;

是吗？

Answer 1

你可以使用rows和cols:

cout << "Width : " << src.cols << endl;
cout << "Height: " << src.rows << endl;

或size():

cout << "Width : " << src.size().width << endl;
cout << "Height: " << src.size().height << endl;

或大小

cout << "Width : " << src.size[1] << endl;
cout << "Height: " << src.size[0] << endl;