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Vision-Language-Action (VLA) models generalize semantically well but often lack fine-grained modeling of world dynamics. We present MotuBrain, a unified World Action Model that jointly models video and action under a UniDiffuser formulation…

State-of-the-art Vision-Language-Action (VLA) models excel at semantic generalization but struggle to generalize to unseen physical motions in novel environments. We introduce DreamZero, a World Action Model (WAM) built upon a pretrained…

Recent video generation models demonstrate remarkable ability to capture complex physical interactions and scene evolution over time. To leverage their spatiotemporal priors, robotics works have adapted video models for policy learning but…

Artificial Intelligence · Computer Science 2026-01-23 Moo Jin Kim , Yihuai Gao , Tsung-Yi Lin , Yen-Chen Lin , Yunhao Ge , Grace Lam , Percy Liang , Shuran Song , Ming-Yu Liu , Chelsea Finn , Jinwei Gu

With the increasing availability of open-source robotic data, imitation learning has become a promising approach for both manipulation and locomotion. Diffusion models are now widely used to train large, generalized policies that predict…

Machine Learning · Computer Science 2025-12-15 Shashank Hegde , Satyajeet Das , Gautam Salhotra , Gaurav S. Sukhatme

World models, which predict future transitions from past observation and action sequences, have shown great promise for improving data efficiency in sequential decision-making. However, existing world models often require extensive…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Siqiao Huang , Jialong Wu , Qixing Zhou , Shangchen Miao , Mingsheng Long

In autonomous driving, predicting future events in advance and evaluating the foreseeable risks empowers autonomous vehicles to better plan their actions, enhancing safety and efficiency on the road. To this end, we propose Drive-WM, the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Yuqi Wang , Jiawei He , Lue Fan , Hongxin Li , Yuntao Chen , Zhaoxiang Zhang

Reinforcement learning from large-scale offline datasets provides us with the ability to learn policies without potentially unsafe or impractical exploration. Significant progress has been made in the past few years in dealing with the…

Machine Learning · Computer Science 2021-08-04 Philip J. Ball , Cong Lu , Jack Parker-Holder , Stephen Roberts

The goal of this paper is to improve the performance and reliability of vision-language-action (VLA) models through iterative online interaction. Since collecting policy rollouts in the real world is expensive, we investigate whether a…

Robotics · Computer Science 2026-02-17 Yanjiang Guo , Tony Lee , Lucy Xiaoyang Shi , Jianyu Chen , Percy Liang , Chelsea Finn

Deploying learned control policies in real-world environments poses a fundamental challenge. When system dynamics change unexpectedly, performance degrades until models are retrained on new data. We introduce Reflexive World Models (RWM), a…

Machine Learning · Computer Science 2025-05-22 Carlos Stein Brito , Daniel McNamee

Learning predictive world models from raw visual observations is a central challenge in reinforcement learning (RL), especially for robotics and continuous control. Conventional model-based RL frameworks directly condition future…

Robotics · Computer Science 2026-03-13 Jseen Zhang , Gabriel Adineera , Jinzhou Tan , Jinoh Kim

Designing adaptive mechanisms to align individual and collective interests remains a central challenge in artificial social intelligence. Existing methods often struggle with modeling heterogeneous agents possessing persistent latent traits…

Computers and Society · Computer Science 2025-10-23 Xiaoyuan Zhang , Yizhe Huang , Chengdong Ma , Zhixun Chen , Long Ma , Yali Du , Song-Chun Zhu , Yaodong Yang , Xue Feng

Recent successes in autoregressive (AR) generation models, such as the GPT series in natural language processing, have motivated efforts to replicate this success in visual tasks. Some works attempt to extend this approach to autonomous…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Xiaotao Hu , Wei Yin , Mingkai Jia , Junyuan Deng , Xiaoyang Guo , Qian Zhang , Xiaoxiao Long , Ping Tan

Effective robotic manipulation requires policies that can anticipate physical outcomes and adapt to real-world environments. Effective robotic manipulation requires policies that can anticipate physical outcomes and adapt to real-world…

Robotics · Computer Science 2026-02-24 Ge Yuan , Qiyuan Qiao , Jing Zhang , Dong Xu

Learning-based methods have improved locomotion skills of quadruped robots through deep reinforcement learning. However, the sim-to-real gap and low sample efficiency still limit the skill transfer. To address this issue, we propose an…

Robotics · Computer Science 2024-03-19 Haojie Shi , Tingguang Li , Qingxu Zhu , Jiapeng Sheng , Lei Han , Max Q. -H. Meng

Robotic world models are a promising paradigm for forecasting future environment states, yet their inference speed and the physical plausibility of generated trajectories remain critical bottlenecks, limiting their real-world applications.…

Robotics · Computer Science 2025-09-26 Sibo Li , Qianyue Hao , Yu Shang , Yong Li

We present WorldVLA, an autoregressive action world model that unifies action and image understanding and generation. Our WorldVLA intergrates Vision-Language-Action (VLA) model and world model in one single framework. The world model…

Robotics · Computer Science 2025-06-27 Jun Cen , Chaohui Yu , Hangjie Yuan , Yuming Jiang , Siteng Huang , Jiayan Guo , Xin Li , Yibing Song , Hao Luo , Fan Wang , Deli Zhao , Hao Chen

World models have become crucial for autonomous driving, as they learn how scenarios evolve over time to address the long-tail challenges of the real world. However, current approaches relegate world models to limited roles: they operate…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Tianze Xia , Yongkang Li , Lijun Zhou , Jingfeng Yao , Kaixin Xiong , Haiyang Sun , Bing Wang , Kun Ma , Guang Chen , Hangjun Ye , Wenyu Liu , Xinggang Wang

Video world models have achieved remarkable success in simulating environmental dynamics in response to actions by users or agents. They are modeled as action-conditioned video generation models that take historical frames and current…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Haoyu Wu , Jiwen Yu , Yingtian Zou , Xihui Liu

Despite the potential of language model-based agents to solve real-world tasks such as web navigation, current methods still struggle with long-horizon tasks with complex action trajectories. In contrast, humans can flexibly solve complex…

Computation and Language · Computer Science 2024-09-12 Zora Zhiruo Wang , Jiayuan Mao , Daniel Fried , Graham Neubig

Legged locomotion over various terrains is challenging and requires precise perception of the robot and its surroundings from both proprioception and vision. However, learning directly from high-dimensional visual input is often…

Robotics · Computer Science 2024-09-26 Hang Lai , Jiahang Cao , Jiafeng Xu , Hongtao Wu , Yunfeng Lin , Tao Kong , Yong Yu , Weinan Zhang