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Time-Frequency Geometric Cross-Attention for Chunked Vision-Language-Action Models

Dong, Shengye et al.
arXiv (All) · Papers
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robotics
Modern vision-language-action (VLA) policies predict a whole chunk of actions: one to two seconds of coordinated motion emitted in a single forward pass. Yet an action chunk is essentially a short multivariate trajectory, but inside these models it is a sequence of generic per-timestep hidden tokens
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