[Submitted on 20 Oct 2026]
Title:T-WLA: Bridging Slow Vision and Fast Touch
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Abstract:In contact-rich manipulation, contact conditions can change before a visual policy updates its action plan. Recomputing the plan through the visual policy adds latency, while tactile feedback alone does not specify how the ongoing motion should be revised for the task. We introduce T-WLA, a world-language-action architecture that uses shared visual memory to guide both action generation and tactile correction. At each visual update, the visual branch integrates the current image, task instruction, and retrieved history into a visual memory that conditions base-action generation. The same memory is cached for a lightweight tactile editor, which combines it with the active action chunk and incoming touch to predict residual corrections to unexecuted actions without rerunning the visual branch. Future-image and future-pressure prediction provide training-only supervision, encouraging the visual memory and tactile features to capture interaction dynamics relevant to action generation and correction. We evaluate T-WLA on tactile-conditioned hand-motion prediction using EgoTouch and Tachin, and on four real-world dexterous manipulation tasks. T-WLA reduces finger-joint MPJPE by 30% relative to the strongest reported baseline and achieves an average success rate of approximately 50.0% across real-robot manipulation tasks. Videos and code are available at this https URL.
Subjects:
Robotics (cs.RO)
Cite as: arXiv:2610.28814 [cs.RO]
(or arXiv:2610.28814v1 [cs.RO] for this version)
https://doi.org/10.48550/arXiv.2610.28814
arXiv-issued DOI via DataCite (pending registration)
Submission history
From: Yuzhen Chen [view email] [v1] Tue, 20 Oct 2026 18:36:13 UTC (34,301 KB)
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