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How can I select a rectangular ROI from an image automatically?

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Sudipto Chaki on 3 Oct 2018

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https://au.mathworks.com/matlabcentral/answers/421993-how-can-i-select-a-rectangular-roi-from-an-image-automatically

Commented: Sudipto Chaki on 3 Oct 2018

I need to extract the rectangular area automatically. It would be appreciated if anybody help me in this regard.

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Image Analyst on 3 Oct 2018

Look at the links on the right side of this page if it's really the numbers that you want, instead of a box.

Sudipto Chaki on 3 Oct 2018

I need the box with digits for my ROI image

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