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Xin-Xin Liu

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#artificial intelligence Preprint Oct 2026

ChunkAct: Action Chunking for Agentic Robotics

Agentic robotics places a large language model (LLM) agent in the robot control loop, where it composes perception, motion, and vision-language-action (VLA) tools under the guidance of a memory and thereby generalizes to new tasks without retraining. This generality comes at a steep price in efficiency. Every primitive...

Bing-Xin Xu, Wen-Rui Bao, Xin-Xin Liu et al. · 0 citations
#artificial intelligence Preprint Oct 2026

Recursive Video In-Context Learning for Agentic Robot

LLM agents that orchestrate frozen vision-language-action (VLA) policies improve across episodes through text memory, which records what the agent did but not how the task is done. A demonstration video shows it, but fits poorly into an agent's context. The full video slows every turn, fixed keyframes lose the contact...

Wen-Rui Bao, Xin-Xin Liu, Bing-Xin Xu et al. · 1 citation

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