外观
论文arXiv 2609.3667629 天前
用于接触丰富灵巧操作示范的运动学非线性时空轨迹变形
原文链接:Kinematic Nonlinear Spatio-Temporal Trajectory Warping for Contact-Rich Dexterous Manipulation Demonstrations(arXiv 2609.36676 · 发布日期:2026-09-29)
Kinematic Nonlinear Spatio-Temporal Trajectory Warping for Contact-Rich Dexterous Manipulation Demonstrations
针对复用接触丰富灵巧操作示范,提出基于接触分布的非线性时空轨迹变形,并在公开人手运动数据上验证。
核心要点
- 问题在于复用已有接触丰富示范需处理路点、障碍、时间偏移和起止配置变化。
- 方法以手和物体轨迹为输入,利用接触分布生成高质量非线性轨迹变形。
- 通过简单的以物体为中心的变形流程,可靠计算复杂高维灵巧手轨迹。
- 在公开人手运动数据中4个示范的12种变体上评估、比较基线,并展示对不同操纵器的泛化;结果和代码将在发表时提供。
验证范围与局限:验证范围为公开人手运动数据中的12种变体及不同操纵器泛化展示。
英文摘要 (Abstract)
We present a straightforward but effective method for repurposing existing contact-rich dexterous manipulation demonstrations. Starting from inputs of hand and object trajectories, our method outputs high-quality nonlinear trajectory warps that account for intermediate waypoints, environmental barriers, temporal shifts, and varied start/end configurations. Foundational to our method is the utilization of contact distributions, which we show allows us to reliably compute complex and high-dimensional dexterous hand trajectories following a simple object-centric warp specification pipeline. We evaluate our method across 12 variations sourced from 4 demonstrations in a publicly available dataset of human hand motion data, perform baseline comparisons, and demonstrate generalization of our approach to different manipulators. Results and code will be made available on publication.
作者:Hyojae Park, Arjun Lakshmipathy, Nancy S. Pollard
来源
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