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How to find differences between two images

asked 2015-02-22 08:03:29 -0500

nistar gravatar image

My idea now is locating two images, then image subtraction.

But I do not know how to locate these two images.

I need a method, thanks...

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answered 2015-02-22 10:45:56 -0500

theodore gravatar image

updated 2015-02-22 10:48:15 -0500

My process would be:

  1. find contours
  2. filter contours (e.g. by area, by convexity, etc...) in order to obtain the square ones
  3. pass it a rotated rectangle structure
  4. rotate rectangles
  5. subtract rectangles and obtain differences
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Asked: 2015-02-22 08:03:29 -0500

Seen: 1,392 times

Last updated: Feb 22 '15