Author

Yuhao Zhang

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#artificial intelligence Preprint Sep 2026

M2Tok: Multi-head Multi-codebook Discrete Action Tokenization for Vision-Language-Action Models

Recent advancements have successfully adapted autoregressive language models to process multimodal signals, such as images and actions. Since raw action signals are continuous, effective tokenization is essential to map high-dimensional inputs into compact discrete tokens for autoregressive processing. However, existin...

Chun-Pu Xu, Zhi-Xuan Liang, Yu-Hao Zhang et al. · 0 citations

Preprint Aug 2026

MRBench: A Comprehensive Benchmark for Human Motion-Text Retrieval

This work proposes a lightweight granularity-aware model anchored at a frozen standard-caption-aligned retrieval model that improves mixed-granularity retrieval without compromising standard-caption performance, and believes that its MRBench provides a comprehensive testbed for advancing motion-language alignment evalu...

Fulong Liu, Liang Xu, Chengqun Yang et al. · 0 citations