MoMa-SG, a novel framework for building semantic-kinematic 3D scene graphs of articulated scenes containing a myriad of interactable objects, and the Arti4D-Semantic dataset, which provides parent-child relation annotations between container and contained objects together with object axis annotations across 62 in-the-w...
Martin Buchner, Adrian Rofer, Tim Engelbracht et al.· arXiv.org· 12 citations
ForceTwin is a system for identifying physics-informed digital twins of articulated objects from instrumented human interaction that achieves 87% goal completion across nine object-embodiment pairs, compared with 60% using VLM-prior and 57% using kinematics-only twins.
Tim Engelbracht, René Zurbrügg, Mayank Mittal et al.· 0 citations
This work proposes Contact Flow, an embodiment-agnostic action representation that encodes manipulation through the trajectory of 3D contact points between an actor and a target object, and integrates this model into a propose-imagine-verify-act pipeline, where generated rollouts are assessed by a vision-language model...
Sami Azirar, Enrico Pallotta, Jan Nogga et al.· arXiv.org· 1 citation
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