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Extract common part of images [closed]

asked 2015-07-06 16:27:36 -0500

bjorn89 gravatar image

Hi, I'm writing a program that find differences between images. For now, I'm finding features with AKAZE, so I've the common point of the 2 images. The problem is that these 2 images have only a part in common. How can I extract the common part from both images? For better explanation: I need to extract the common part from the first image and then from the second, so I can do absdiff for finding difference.

Thanks to all!

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Closed for the following reason the question is answered, right answer was accepted by berak
close date 2015-07-13 09:46:25.213930

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Give us some samples, since this depends heavily on how you are going to use this functionality.

StevenPuttemans gravatar imageStevenPuttemans ( 2015-07-07 07:47:26 -0500 )edit

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answered 2015-07-13 09:25:25 -0500

bjorn89 gravatar image

I've resolved by using homography to map the common part from one image to another so I can crop it out!

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it was nice if you had explained your solution by adding some code

sturkmen gravatar imagesturkmen ( 2015-07-13 11:57:56 -0500 )edit

I'll add it as soon as possible!

bjorn89 gravatar imagebjorn89 ( 2015-07-23 15:23:30 -0500 )edit

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Asked: 2015-07-06 16:27:36 -0500

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Last updated: Jul 13 '15