Dressing in Motion: A Human Motion-Aware Diffusion Policy for Robot-Assisted Dressing

• URL: http://arxiv.org/abs/2609.04759v1
• Date: Fri, 04 Sep 2026 05:42:04 GMT
• Title: Dressing in Motion: A Human Motion-Aware Diffusion Policy for Robot-Assisted Dressing
• Abstract summary: We propose a visuomotor policy that learns dressing skills from static expert demonstrations and generalizes to dynamic user-motion scenarios.<n>A diffusion policy tailored to garment--human interaction geometry learns from partially observed point clouds with varied arm postures.<n>We evaluate our method in simulation and a real-world human study involving nine participants, three garment types, and six arm-motion patterns.
• Score: 11.869204127828944
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Robotic dressing assistance is a promising solution for supporting older adults with physical impairments in daily living. However, dressing under human motion remains challenging, as complex garment--human contact and occlusions make it difficult to generate actions aligned with arm movements. In this letter, we propose a visuomotor policy that learns dressing skills from static expert demonstrations and generalizes to dynamic user-motion scenarios. A diffusion policy tailored to garment--human interaction geometry learns from partially observed point clouds with varied arm postures. We then introduce an object-centric representation based on PDE diffusion to capture the axial distribution of the arm. By sampling motion-relevant regions and registering them across consecutive observations, the proposed method approximates arm motion and reactively adapts the executed trajectory. We evaluate our method in simulation and a real-world human study involving nine participants, three garment types, and six arm-motion patterns. Results show that our method outperforms baselines in dressing progress, freedom of movement, and user comfort. The project website is https://anonymous.4open.science/w/dressing-in-motion.

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