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Laurence T. Yang

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#artificial intelligence Preprint Sep 2026

ActionPiece: Rethinking Action Tokenization for Autoregressive Vision-Language-Action Models

Action tokenizers play a central role in autoregressive vision-language-action (VLA) models, determining both the targets for policy training and the executable commands recovered from predicted tokens. Their fidelity is commonly evaluated using pointwise reconstruction metrics such as mean squared error (MSE), yet sma...

Shijie Lian, Bin Yu, Zhaolong Shen et al. · 1 citation

IntentVLA: Short-Horizon Intent Modeling for Aliased Robot Manipulation

IntentVLA is introduced, a history-conditioned VLA framework that encodes recent visual observations into a compact short-horizon intent representation and uses it to condition chunk generation and improves rollout stability and outperforms strong VLA baselines.

Shijie Lian, Bin Yu, Xiaopeng Lin et al. · 6 citations

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