3D Point Cloud Generative Adversarial Network Based on Tree Structured Graph Convolutions

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Authors Junseok Kwon, Sung Woo Park, Dong Wook Shu
Journal/Conference Name ICCV 2019 10
Paper Category
Paper Abstract In this paper, we propose a novel generative adversarial network (GAN) for 3D point clouds generation, which is called tree-GAN. To achieve state-of-the-art performance for multi-class 3D point cloud generation, a tree-structured graph convolution network (TreeGCN) is introduced as a generator for tree-GAN. Because TreeGCN performs graph convolutions within a tree, it can use ancestor information to boost the representation power for features. To evaluate GANs for 3D point clouds accurately, we develop a novel evaluation metric called Frechet point cloud distance (FPD). Experimental results demonstrate that the proposed tree-GAN outperforms state-of-the-art GANs in terms of both conventional metrics and FPD, and can generate point clouds for different semantic parts without prior knowledge.
Date of publication 2019
Code Programming Language Python
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