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Author

Chenyu Tang

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Jul 2026

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

CheckVLA is proposed, which verifies execution with a separately trained, frozen action-conditioned world model, and results support action-conditioned verification as a way to restore feedback during chunked execution while keeping the repair consistent with inference latency.

Yu-Shan Liu, Pei-Bo Sun, Xin-Tao Chao et al. · 4 citations
Preprint Aug 2026

Coverage-Driven Adaptive Keyframe Selection for Video Understanding

CSES is a training-free semantic keyframe selector that adaptively determines the numbers of frames to score and keyframes to select that formulates keyframe selection as a coverage problem that jointly accounts for semantic relevance, temporal redundancy, and visual redundancy.

Jun-Yang Zhang, Pu-Han Luo, Chenyu Tang et al. · 1 citation

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