collaborators

11 papers

cs.CR2026

Black-Box Adversarial Patch Attacks on VLAs via Ancestor VLM Exploitation

Xiaoyi Pang, Haoyue Feng, Quanxin Shou +3

Vision-Language-Action models (VLAs) are increasingly deployed in safety-critical physical environments, yet their adversarial robustness remains poorly understood. Existing attack…

cs.RO2026

World Action Learning via Interaction-Centric Spectral Latent Guidance

Zhiming Liu, Yikun Miao, Ying Chen +7

Learning general-purpose robot policies requires large-scale real-world interaction data, yet collecting robot demonstrations remains expensive and difficult to scale. Egocentric v…

cs.RO2026

SteerQuant: Steering Quantization Error with Action-Guided Scaling in World-Action Models

Yunhan Wang, Haodong Wang, Zhiming Liu +7

World-action models (WAMs) jointly generate future world states and actions through iterative denoising, using shared weights to process heterogeneous semantic streams of video, pr…

cs.CV2026

OnlineWM: Causality-Aware Active Online Learning for Effective World Modeling

Yikun Miao, Fangqi Zhu, Quanxin Shou +6

Generative world models aim to predict future states conditioned on actions, where action controllability is fundamental for reliable dynamics modeling. While recent efforts levera…

cs.RO2026

RedFlow: Redirect Failure into Action-level Corrections for Flow-matching VLA Policy

Zhengyang Yan, Junhao Li, Fangqi Zhu +6

Reinforcement learning (RL) can improve Vision-Language-Action (VLA) policies from deployment experience, but reward- and preference-based RL primarily identifies desirable behavio…

cs.LG2026

MosaicQuant: Inlier-Outlier Disaggregation for Unified 4-Bit LLM Quantization

Yangjia Hu, Haodong Wang, Zicong Hong +8

4-bit quantization significantly reduces the memory footprint and accelerates the inference of large language models (LLMs). However, its limited bit-width representation struggles…

cs.RO2026

3D Generation for Embodied AI and Robotic Simulation: A Survey

Tianwei Ye, Yifan Mao, Minwen Liao +6

Embodied AI and robotic systems increasingly depend on scalable, diverse, and physically grounded 3D content for simulation-based training and real-world deployment. While 3D gener…

cs.CV2026

OpenSearch-VL: An Open Recipe for Frontier Multimodal Search Agents

Shuang Chen, Kaituo Feng, Hangting Chen +7

Deep search has become a crucial capability for frontier multimodal agents, enabling models to solve complex questions through active search, evidence verification, and multi-step…

cs.CV2026

Unify-Agent: A Unified Multimodal Agent for World-Grounded Image Synthesis

Shuang Chen, Quanxin Shou, Hangting Chen +16

Unified multimodal models provide a natural and promising architecture for understanding diverse and complex real-world knowledge while generating high-quality images. However, the…

cs.RO2026

HALO: A Unified Vision-Language-Action Model for Embodied Multimodal Chain-of-Thought Reasoning

Quanxin Shou, Fangqi Zhu, Shawn Chen +9

Vision-Language-Action (VLA) models have shown strong performance in robotic manipulation, but often struggle in long-horizon or out-of-distribution scenarios due to the lack of ex…

cs.RO2025

WMPO: World Model-based Policy Optimization for Vision-Language-Action Models

Fangqi Zhu, Zhengyang Yan, Zicong Hong +3

Vision-Language-Action (VLA) models have shown strong potential for general-purpose robotic manipulation, but their reliance on expert demonstrations limits their ability to learn…