Author

Xi Chen

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Preprint Oct 2026

VeriVLA: Adaptive Test-Time Verification for Flow-Based VLAs with Latent World Models

Flow-based Vision-Language-Action (VLA) policies are inherently stochastic: different noise seeds can produce action chunks of varying quality from the same observation. At test time, however, the policy typically commits to a single sample without an explicit estimate of its quality. In fine-grained manipulation, exec...

Xue-Li Sun, Yuxiang Lu, Yan-Tong Liu et al. · 0 citations

Preprint Aug 2026

CoinVE-200K: A Large-Scale High-Quality Dataset for Compositional Instruction-Guided Video Editing

The quality and diversity of instruction-based video editing datasets are steadily improving, yet existing datasets mainly focus on single editing operations and fall short in supporting compositional instruction-guided video editing. In particular, multiple editing intents must be jointly understood and faithfully exe...

Fuchen Long, Cong Wang, Zitao Gao et al. · 1 citation

Preprint Aug 2026

OmniEdit-Bench: A Comprehensive Benchmark for Instruction-based Video Editing

The OmniEdit-Bench provides a comprehensive and reliable testbed for evaluating instruction-based video editing and offers insights into future research directions, including an accuracy-aware penalty mechanism that conditions other scores on accuracy, preventing visually plausible but incorrect edits from receiving in...

Chenxuan Miao, Yutong Feng, Yi Lu et al. · 1 citation