Calc an homography with only scale and rotation?

asked 2014-03-13 08:38:59 -0500

yes123 gravatar image

Can openCV calculate an "homography" without the full 8 degrees of freedom?

I need an homography only with translation, rotation and scale, I don't need affine and projective.

Without 8 deegrees of freedom RANSAC would be easier to process because it would not need 4 "good" matching point but less (2)

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Comments

sounds like a SVD function.

GrumbleLion gravatar imageGrumbleLion ( 2014-03-13 12:26:32 -0500 )edit

I think it's more or less like the original homograpghy with RANSAC but this time with less deegres of freedom. RANSAC will only need to check the consensus given rotation and scale

yes123 gravatar imageyes123 ( 2014-03-13 13:48:02 -0500 )edit