Stereo Hand-Object Reconstruction for Human-to-Robot Handover

• URL: http://arxiv.org/abs/2412.07487v2
• Date: Mon, 03 Mar 2025 14:04:23 GMT
• Title: Stereo Hand-Object Reconstruction for Human-to-Robot Handover
• Authors: Yik Lung Pang, Alessio Xompero, Changjae Oh, Andrea Cavallaro,
• Abstract summary: We propose a stereo-based method for hand-object reconstruction that combines single-view reconstructions probabilistically to form a coherent stereo reconstruction.<n>We learn 3D shape priors from a large synthetic hand-object dataset to ensure that our method is generalisable.<n>Our method reduces the object Chamfer distance compared to existing RGB based hand-object reconstruction methods on single view and stereo settings.
• Score: 32.715038502710954
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Jointly estimating hand and object shape facilitates the grasping task in human-to-robot handovers. However, relying on hand-crafted prior knowledge about the geometric structure of the object fails when generalising to unseen objects, and depth sensors fail to detect transparent objects such as drinking glasses. In this work, we propose a stereo-based method for hand-object reconstruction that combines single-view reconstructions probabilistically to form a coherent stereo reconstruction. We learn 3D shape priors from a large synthetic hand-object dataset to ensure that our method is generalisable, and use RGB inputs to better capture transparent objects. We show that our method reduces the object Chamfer distance compared to existing RGB based hand-object reconstruction methods on single view and stereo settings. We process the reconstructed hand-object shape with a projection-based outlier removal step and use the output to guide a human-to-robot handover pipeline with wide-baseline stereo RGB cameras. Our hand-object reconstruction enables a robot to successfully receive a diverse range of household objects from the human.

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