Author

Chenyu Tang

2 papers indexed here

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Jul 2026

CheckVLA: Execution-Time Verification with Action-Conditioned World Model for Long-Horizon Mobile Manipulation

Vision-language-action (VLA) policies commonly execute long-horizon mobile manipulation through open-loop action chunks, issuing multiple actions without receiving new high-level visual input. A committed chunk therefore implies how observations should evolve, but accidental deviations can violate this expectation whil...

Yu-Shan Liu, Pei-Bo Sun, Xin-Tao Chao et al. · arXiv.org · 2 citations

Preprint Aug 2026

Coverage-Driven Adaptive Keyframe Selection for Video Understanding

Recent advances in large vision-language models (LVLMs) have enabled long-video understanding and analysis. However, processing the large number of frames in a video incurs substantial computational overhead. Existing methods reduce LVLM inference costs by scoring frame-query relevance before inference and selecting ke...

Jun-Yang Zhang, Pu-Han Luo, Chenyu Tang et al. · 0 citations