How can I do knnMatch in a small window

asked 2014-12-24 21:29:51 -0600

Adam Cavendish gravatar image

I hope to do knnMatch in a small Window instead of the whole image.

For example, if I know the picture is up side down, I can just match the keypoint in the bottom part, but not the whole image.

How can I do knnMatch in this way?

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2

May be using ROI....

Haris gravatar imageHaris ( 2014-12-25 07:14:48 -0600 )edit
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