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On the Fourier analysis in the SO(3) space : EquiLoPO Network
April 25, 2024, 7:43 p.m. | Dmitrii Zhemchuzhnikov, Sergei Grudinin
cs.LG updates on arXiv.org arxiv.org
Abstract: Analyzing volumetric data with rotational invariance or equivariance is an active topic in current research. Existing deep-learning approaches utilize either group convolutional networks limited to discrete rotations or steerable convolutional networks with constrained filter structures. This work proposes a novel equivariant neural network architecture that achieves analytical Equivariance to Local Pattern Orientation on the continuous SO(3) group while allowing unconstrained trainable filters - EquiLoPO Network. Our key innovations are a group convolutional operation leveraging irreducible …
analysis arxiv cs.cv cs.lg fourier math.gr network space type
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