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How to find overlapping area between images in opencv?

I am trying to implement alpha blending with two images to stitch images. My first image →enter image description here

here is my second image → enter image description here

here is my result → enter image description here

As you can see, the result is not correct. I think that I first need to find an overlapping area between then and then implement alpha blending on the overlapping part.

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2 answers

First of all, have you seen the new "stitching" module introduced in OpenCV 2.3?

, " " (, ). : http://docs.opencv.org/modules/stitching/doc/stitching.html : stitching_detailed.cpp

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:

- . OpenCV - OpenCv , cv::detail::BestOf2NearestMatcher.

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, SIFT, , , . . this

SIFT .

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