Deconvolutional Networks on Graph DataDownload PDF

21 May 2021, 20:44 (modified: 22 Jan 2022, 01:16)NeurIPS 2021 PosterReaders: Everyone
Keywords: deconvolutional networks, inverse problem, graph generation
TL;DR: The first work about deconvolutional networks on graph data
Abstract: In this paper, we consider an inverse problem in graph learning domain -- "given the graph representations smoothed by Graph Convolutional Network (GCN), how can we reconstruct the input graph signal?" We propose Graph Deconvolutional Network (GDN) and motivate the design of GDN via a combination of inverse filters in spectral domain and de-noising layers in wavelet domain, as the inverse operation results in a high frequency amplifier and may amplify the noise. We demonstrate the effectiveness of the proposed method on several tasks including graph feature imputation and graph structure generation.
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