Generative planners based on diffusion/flow matching can learn to synthesize long-horizon trajectories from demonstrations. However, real-world deployment requires (i) enforcing safety constraints during execution and (ii) tight online replanning at fast execution rates. Prior safe diffusion/flow planners generate the...
Seunghwan Jang, Jeongyong Yang, Siddharth Ancha et al.· 0 citations
A theoretical, signature-based formulation of the LRH for VLA that unifies representations and policies is developed, and a signature generalized linear model for stochastic action chunks is introduced for stochastic action chunks.
Min-hye Jeong, Hyewon Choi, Hiroyasu Tsukamoto et al.· 0 citations
Symmetric VLA Distillation (SymVD), a distillation framework that transfers knowledge from a large VLA teacher to a compact student policy by explicitly exploiting geometric symmetries in manipulation tasks, consistently improves over standard distillation and also outperforms SAC in terms of sample efficiency and gene...
Hyewon Choi, Donggyu Kim, Soojean Han· 0 citations
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