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Embodied Vision-Language Models (VLMs) have demonstrated impressive performance and generalization in robotics, particularly within Vision-Language-Action frameworks. However, a significant gap remains between the high-level semantic focus…

Computer Vision and Pattern Recognition · Computer Science 2026-05-28 Ruowen Zhao , Bangguo Li , Zuyan Liu , Yinan Liang , Junliang Ye , Fangfu Liu , Diankun Wu , Zhengyi Wang , Xumin Yu , Yongming Rao , Han Hu , Jun Zhu

Vision-Language-Action (VLA) models are emerging as a promising paradigm for end-to-end autonomous driving, valued for their potential to leverage world knowledge and reason about complex driving scenes. However, existing methods suffer…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Xinyang Wang , Qian Liu , Wenjie Ding , Zhao Yang , Wei Li , Chang Liu , Bailin Li , Kun Zhan , Xianpeng Lang , Wei Chen

Vision-Language-Action (VLA) models have emerged as a promising approach for enabling robots to follow language instructions and predict corresponding actions. However, current VLA models mainly rely on 2D visual inputs, neglecting the rich…

Robotics · Computer Science 2025-08-14 Lin Sun , Bin Xie , Yingfei Liu , Hao Shi , Tiancai Wang , Jiale Cao

Existing Vision-Language-Action (VLA) models often suffer from feature collapse and low training efficiency because they entangle high-level perception with sparse, embodiment-specific action supervision. Since these models typically rely…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Haitao Lin , Hanyang Yu , Jingshun Huang , He Zhang , Yonggen Ling , Ping Tan , Xiangyang Xue , Yanwei Fu

World-Action Models (WAM) initialized from pre-trained video generation backbones have demonstrated remarkable potential for robot policy learning. However, existing approaches face two critical bottlenecks that hinder performance and…

Multi-modal AI systems will likely become a ubiquitous presence in our everyday lives. A promising approach to making these systems more interactive is to embody them as agents within physical and virtual environments. At present, systems…

General-purpose world models promise scalable policy evaluation, optimization, and planning, yet achieving the required level of robustness remains challenging. Unlike policy learning, which primarily focuses on optimal actions, a world…

Machine Learning · Computer Science 2026-04-03 Yuejiang Liu , Fan Feng , Lingjing Kong , Weifeng Lu , Jinzhou Tang , Kun Zhang , Kevin Murphy , Chelsea Finn , Yilun Du

In Model Predictive Control (MPC), world models predict the future outcomes of various action proposals, which are then scored to guide the selection of the optimal action. For visuomotor MPC, the score function is a distance metric between…

Robotics · Computer Science 2026-04-14 Quanyi Li , Lan Feng , Haonan Zhang , Wuyang Li , Letian Wang , Alexandre Alahi , Harold Soh

Vision-Language-Action (VLA) models trained on large robot datasets promise general-purpose, robust control across diverse domains and embodiments. However, existing approaches often fail out-of-the-box when deployed in novel environments,…

Robotics · Computer Science 2025-10-21 Ruihan Zhao , Tyler Ingebrand , Sandeep Chinchali , Ufuk Topcu

World models enable agents to predict future dynamics conditioned on actions, making the choice of latent representation central to planning and control. Such representations are often either learned directly from pixels with limited…

Artificial Intelligence · Computer Science 2026-05-26 Minghao Fu , Fan Feng , Nicklas Hansen , Biwei Huang

Embodied action planning is a core challenge in robotics, requiring models to generate precise actions from visual observations and language instructions. While video generation world models are promising, their reliance on pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2026-02-11 Yangcheng Yu , Xin Jin , Yu Shang , Xin Zhang , Haisheng Su , Wei Wu , Yong Li

While video-generation-based embodied world models have gained increasing attention, their reliance on large-scale embodied interaction data remains a key bottleneck. The scarcity, difficulty of collection, and high dimensionality of…

World Action Models (WAMs) have recently emerged as a promising paradigm for robotic manipulation by jointly predicting future visual observations and future actions. However, current WAMs typically execute a fixed number of predicted…

Robotics · Computer Science 2026-05-12 Rui Wang , Yue Zhang , Jiehong Lin , Kuncheng Luo , Jianan Wang , Zhongrui Wang , Xiaojuan Qi

Vision-Language-Action (VLA) models empower robots to understand and execute tasks described by natural language instructions. However, a key challenge lies in their ability to generalize beyond the specific environments and conditions they…

The Vision-Language-Action (VLA) models have demonstrated remarkable performance on embodied tasks and shown promising potential for real-world applications. However, current VLAs still struggle to produce consistent and precise…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Ziwen Li , Xin Wang , Hanlue Zhang , Runnan Chen , Runqi Lin , Xiao He , Han Huang , Yandong Guo , Fakhri Karray , Tongliang Liu , Mingming Gong

Vision-Language-Action (VLA) models demonstrate remarkable potential for generalizable robotic manipulation. The execution of complex multi-step behaviors in VLA models can be improved by robust instruction grounding, a critical component…

A world model is an AI system that simulates how an environment evolves under actions, enabling planning through imagined futures rather than reactive perception. Current world models, however, suffer from visual conflation: the mistaken…

Artificial Intelligence · Computer Science 2026-01-23 Zhikang Chen , Tingting Zhu

Robotic manipulation requires anticipating how the environment evolves in response to actions, yet most existing systems lack this predictive capability, often resulting in errors and inefficiency. While Vision-Language Models (VLMs)…

Robotics · Computer Science 2026-02-12 Songen Gu , Yunuo Cai , Tianyu Wang , Simo Wu , Yanwei Fu

Vision-Language-Action (VLA) models have emerged as a promising paradigm for generalist robotic manipulation. A common design in current architectures maps language instructions and visual observations to actions in a single forward pass.…

Robotics · Computer Science 2026-05-26 Weilong Guo , Yuchen Wang , Renping Zhou , Yunfeng Zhang , Rui Fang , Yuyang Pang , Wenda Xu , Gao Huang

Trained on internet-scale video data, generative world models are increasingly recognized as powerful world simulators that can generate consistent and plausible dynamics over structure, motion, and physics. This raises a natural question:…

Computer Vision and Pattern Recognition · Computer Science 2025-10-02 Kevin Zhang , Kuangzhi Ge , Xiaowei Chi , Renrui Zhang , Shaojun Shi , Zhen Dong , Sirui Han , Shanghang Zhang