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World models (WMs) demonstrate strong capabilities in prediction, generation, and planning tasks. Existing WMs primarily focus on unstructured data and cannot leverage the ubiquitous structured data, often represented as graphs, in the…

Machine Learning · Computer Science 2025-07-15 Tao Feng , Yexin Wu , Guanyu Lin , Jiaxuan You

Cross-embodiment learning seeks to build generalist robots that operate across diverse morphologies, but differences in action spaces and kinematics hinder data sharing and policy transfer. This raises a central question: Is there any…

Robotics · Computer Science 2025-11-11 Zihao He , Bo Ai , Tongzhou Mu , Yulin Liu , Weikang Wan , Jiawei Fu , Yilun Du , Henrik I. Christensen , Hao Su

Robotic systems that aspire to operate in uninstrumented real-world environments must perceive the world directly via onboard sensing. Vision-based learning systems aim to eliminate the need for environment instrumentation by building an…

Robotics · Computer Science 2024-05-14 Patrick Lancaster , Nicklas Hansen , Aravind Rajeswaran , Vikash Kumar

Pretrained video generation models provide strong priors for robot control, but existing unified world action models still struggle to decode reliable actions without substantial robot-specific training. We attribute this limitation to a…

Robotics · Computer Science 2026-04-14 Liaoyuan Fan , Zetian Xu , Chen Cao , Wenyao Zhang , Mingqi Yuan , Jiayu Chen

Embodied AI requires agents that perceive, act, and anticipate how actions reshape future world states. World models serve as internal simulators that capture environment dynamics, enabling forward and counterfactual rollouts to support…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Xinqing Li , Xin He , Le Zhang , Min Wu , Xiaoli Li , Yun Liu

What if a video generation model could not only imagine a plausible future, but the correct one, accurately reflecting how the world changes with each action? We address this question by presenting the Egocentric World Model (EgoWM), a…

Computer Vision and Pattern Recognition · Computer Science 2026-01-22 Anurag Bagchi , Zhipeng Bao , Homanga Bharadhwaj , Yu-Xiong Wang , Pavel Tokmakov , Martial Hebert

Autonomous agents are increasingly expected to operate in complex, dynamic, and uncertain environments, performing tasks such as manipulation, navigation, and decision-making. Achieving these capabilities requires agents to understand the…

Robotics · Computer Science 2025-11-11 Peng-Fei Zhang , Ying Cheng , Xiaofan Sun , Shijie Wang , Fengling Li , Lei Zhu , Heng Tao Shen

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…

Embodied world models aim to predict and interact with the physical world through visual observations and actions. However, existing models struggle to accurately translate low-level actions (e.g., joint positions) into precise robotic…

Robotics · Computer Science 2026-04-01 Taiyi Su , Jian Zhu , Yaxuan Li , Chong Ma , Jianjun Zhang , Zitai Huang , Hanli Wang , Yi Xu

Autonomous driving world models are expected to work effectively across three core dimensions: state, action, and reward. Existing models, however, are typically restricted to limited state modalities, short video sequences, imprecise…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Bohan Li , Zhuang Ma , Dalong Du , Baorui Peng , Zhujin Liang , Zhenqiang Liu , Chao Ma , Yueming Jin , Hao Zhao , Wenjun Zeng , Xin Jin

We present the Multi-Agent Transformer World Model (MATWM), a novel transformer-based world model designed for multi-agent reinforcement learning in both vector- and image-based environments. MATWM combines a decentralized imagination…

Machine Learning · Computer Science 2025-06-24 Azad Deihim , Eduardo Alonso , Dimitra Apostolopoulou

Learning cooperative multi-agent policies directly from high-dimensional, multimodal sensory inputs like pixels and audio (from pixels) is notoriously sample-inefficient. Model-free Multi-Agent Reinforcement Learning (MARL) algorithms…

Multiagent Systems · Computer Science 2025-11-12 Sureyya Akin , Kavita Srivastava , Prateek B. Kapoor , Pradeep G. Sethi , Sunita Q. Patel , Rahu Srivastava

Current machine learning models for vision are often highly specialized and limited to a single modality and task. In contrast, recent large language models exhibit a wide range of capabilities, hinting at a possibility for similarly…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 David Mizrahi , Roman Bachmann , Oğuzhan Fatih Kar , Teresa Yeo , Mingfei Gao , Afshin Dehghan , Amir Zamir

World models, which are predictive representations of how environments evolve under actions, have become a central component of robot learning. They support policy learning, planning, simulation, evaluation, data generation, and have…

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

Model-based reinforcement learning (MBRL) has achieved remarkable success in robotics due to its high sample efficiency and planning capability. However, extending MBRL to physical multi-robot cooperation remains challenging due to the…

Robotics · Computer Science 2026-04-07 Zijie Zhao , Honglei Guo , Shengqian Chen , Kaixuan Xu , Bo Jiang , Yuanheng Zhu , Dongbin Zhao

World models promise a paradigm shift in robotics, where an agent learns the underlying physics of its environment once to enable efficient planning and behavior learning. However, current world models are often hardware-locked specialists:…

Recent advances in deep reinforcement learning have showcased its potential in tackling complex tasks. However, experiments on visual control tasks have revealed that state-of-the-art reinforcement learning models struggle with…

Machine Learning · Computer Science 2023-11-30 Rudra P. K. Poudel , Harit Pandya , Chao Zhang , Roberto Cipolla

World models for deformable objects should recover not only geometry and appearance, but also underlying physical dynamics, interaction grounding, and material behavior. Learning such a model from real videos is challenging because…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Can Li , Zhoujian Li , Ren Li , Jie Gu , Lei Lei , Jingmin Chen , Lei Sun

World models are becoming central to robotic planning and control as they enable prediction of future state transitions. Existing approaches often emphasize video generation or natural-language prediction, which are difficult to ground in…