how to cut an area of image ?

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Zineb EL MORCHID
Zineb EL MORCHID 2016-3-9
评论： Zineb EL MORCHID 2016-3-9
I want to cut the center area of an image , and save it as another image that ill work on it later . how can I do so , I do know a function " imcrop() " but I dont know how to detect the center of the image . heres an exemple of what I want :

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Image Analyst
Image Analyst 2016-3-9
Try this:
[rows, columns, numberOfColorChannels] = size(yourImage);
left = columns/2 - width/2;
top = rows/2 - height/2;
croppedImage = imcrop(yourImage, [left, top, width, height]);
imshow(croppedImage);
You need to define width and height in pixels for the size of the box you want to crop out.

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