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A case for using rotation invariant features in state of the art feature matchers
Published 21 Apr 2022 in cs.CV | (2204.10144v2)
Abstract: The aim of this paper is to demonstrate that a state of the art feature matcher (LoFTR) can be made more robust to rotations by simply replacing the backbone CNN with a steerable CNN which is equivariant to translations and image rotations. It is experimentally shown that this boost is obtained without reducing performance on ordinary illumination and viewpoint matching sequences.
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