HandGCAT: Occlusion-Robust 3D Hand Mesh Reconstruction from Monocular Images

• URL: http://arxiv.org/abs/2403.07912v1
• Date: Tue, 27 Feb 2024 03:40:43 GMT
• Title: HandGCAT: Occlusion-Robust 3D Hand Mesh Reconstruction from Monocular Images
• Authors: Shuaibing Wang, Shunli Wang, Dingkang Yang, Mingcheng Li, Ziyun Qian, Liuzhen Su, Lihua Zhang,
• Abstract summary: We propose a robust and accurate method for reconstructing 3D hand mesh from monocular images. HandGCAT can fully exploit hand prior as compensation information to enhance occluded region features.
• Score: 9.554136347258057
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: We propose a robust and accurate method for reconstructing 3D hand mesh from monocular images. This is a very challenging problem, as hands are often severely occluded by objects. Previous works often have disregarded 2D hand pose information, which contains hand prior knowledge that is strongly correlated with occluded regions. Thus, in this work, we propose a novel 3D hand mesh reconstruction network HandGCAT, that can fully exploit hand prior as compensation information to enhance occluded region features. Specifically, we designed the Knowledge-Guided Graph Convolution (KGC) module and the Cross-Attention Transformer (CAT) module. KGC extracts hand prior information from 2D hand pose by graph convolution. CAT fuses hand prior into occluded regions by considering their high correlation. Extensive experiments on popular datasets with challenging hand-object occlusions, such as HO3D v2, HO3D v3, and DexYCB demonstrate that our HandGCAT reaches state-of-the-art performance. The code is available at https://github.com/heartStrive/HandGCAT.

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