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Si-Yuan Qian

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Preprint Oct 2026

LAW: Unifying Language, Action, and World Modeling for Agentic Physical Intelligence

LAW, a closed-loop VLM--WAM framework that unifies language reasoning, action generation, and world modeling through semantic subtask progress, is presented, establishing a new open-source state of the art on RoboTwin.

Jia-Jun Cao, Kai Tang, Bo-Hua Zhang et al. · 0 citations
Preprint Oct 2026

RFPO: Rectified Flow Policy Optimization for Embodied Control

Flow-based policies provide an expressive framework for continuous robot control, but their iterative ODE integration incurs substantial inference cost. Naively reducing the integration budget can severely degrade control, since policies optimized under full-step execution are not explicitly constrained to remain relia...

Ting Huang, Li-Rui Pan, Hao-Yu Wang et al. · 0 citations
Preprint Sep 2026

DexPolicy: Scheduled Exploration for Trajectory-Guided Dexterous Manipulation

Reinforcement learning (RL) for dexterous manipulation must discover finger-object contacts and then control the object precisely; the action noise that serves the first goal can interfere with the second. In trajectory-guided settings such as ViViDex, where RL refine hand-object trajectories from human video, our base...

Hao-Yu Wang, Si-Yuan Qian, Yan-Jun Li et al. · 0 citations
Preprint Aug 2026

Do Robotic World Models Really Follow Actions? Diagnosing and Aligning Action-Conditioned Generation for Policy Learning

WorldEcho is introduced, which probes action following over a broader action distribution using visual integrity and SE(3) trajectory alignment, and WorldSync is proposed, which strengthens action following along three complementary axes: distributional coverage, representational grounding, and intervention-effect alig...

Si-Xiang Chen, Jia-Ming Liu, Ji-Xin Wu et al. · 2 citations · ⚡1
Jul 2026

Hierarchical Denoising For Multi-Step Visual Reasoning

This work proposes HDR (Hierarchical Denoising for Visual Reasoning), a unified framework that integrates hierarchical latents into causal video generation for multi-step reasoning and introduces a level-stratified multi-step video reasoning benchmark with out-of-distribution cases.

Ze-Zhong Qian, Xiao-Wei Chi, Chak-Wing Mak et al. · 1 citation
Jul 2026

Group-of-Latents: Perceptual Video Compression at Extreme Bitrates via Masked Latent Generative Modeling

A unified generative framework that leverages pre-trained Diffusion Transformer priors to achieve high perceptual quality at extremely low bitrates, achieving state-of-the-art perceptual fidelity with rich spatial details and robust temporal consistency.

Shaokang Wang, Jinchang Xu, Peidong Jia et al. · 0 citations

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