no code implementations • 25 Mar 2024 • Xiaoyan Kui, Haonan Yan, Qinsong Li, Liming Chen, Beiji Zou
In this paper, we present a novel architecture named ChebMixer, a newly graph MLP Mixer that uses fast Chebyshev polynomials-based spectral filtering to extract a sequence of tokens.
no code implementations • CVPR 2021 • Ling Hu, Qinsong Li, Shengjun Liu, Xinru Liu
The functional map framework has proven to be extremely effective for representing dense correspondences between deformable shapes.
no code implementations • CVPR 2020 • Qinsong Li, Shengjun Liu, Ling Hu, Xinru Liu
Rather than using fixed oriented kernels in the spatial domain in previous CNNs, in our framework, the kernels are learned by spectral filtering, based on the eigen-decompositions of multiple Anisotropic Laplace-Beltrami Operators.