Author

Fan Fu

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Open access Jul 2026

RA-LoFTR: Rotation-Equivariant Annular Convolution for Robust Detector-Free Matching

RA-LoFTR is proposed, which enhances LoFTR with Rotational Coordinate Convolution and Adaptive Fusion Weighting and dynamically fuses RCC-derived local structural cues with Transformer-based global positional information, and MAGSAC++ is further used as a geometric verification step for outlier rejection.

Xiang-Jin Zeng, Lihang Chen, Fan Fu · Electronics · 0 citations