Hi
When I crop image to itself do I need the .clone() function?
I mean:
Mat image = imread("somePath.bmp");
What is the right way to crop it?
image = image(rect(0,0,10,10)).clone();
or I can save the clone() and write
image = image(rect(0,0,10,10));
Thanks to all the helpers
Hi ,
You can try below code for cropping the image
Mat image = imread("somePath.bmp");
image(Rect(Point(0, 10), Point(10, 0))).copyTo(cropped_image);
imshow("cropped_image", cropped_image);
@Nicolet, if you do not do a copy, you will be working directly on the pixels of the original image. If it is just visualising, then do imshow("cropped_image", cropped_image(Rect(x,y,w,h)));
Asked: 2017-07-27 01:39:18 -0600
Seen: 5,943 times
Last updated: Jul 27 '17
image = image(rect(0,0,10,10)); is ok
why not
roi = image(rect(0,0,10,10));