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Link to original content: https://api.crossref.org/works/10.1145/3386569.3392443
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Graph."],"published-print":{"date-parts":[[2020,8,31]]},"abstract":"\n We propose a novel framework for computing descriptors for characterizing points on three-dimensional surfaces. First, we present a new non-learned feature that uses graph wavelets to decompose the Dirichlet energy on a surface. We call this new feature\n Wavelet Energy Decomposition Signature<\/jats:italic>\n (WEDS). Second, we propose a new\n Multiscale Graph Convolutional Network<\/jats:italic>\n (MGCN) to transform a non-learned feature to a more discriminative descriptor. Our results show that the new descriptor WEDS is more discriminative than the current state-of-the-art non-learned descriptors and that the combination of WEDS and MGCN is better than the state-of-the-art learned descriptors. An important design criterion for our descriptor is the robustness to different surface discretizations including triangulations with varying numbers of vertices. 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