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World models enable planning in imagined future predicted space, offering a promising framework for embodied navigation. However, existing navigation world models often lack action-conditioned consistency, so visually plausible predictions…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Han Yan , Zishang Xiang , Zeyu Zhang , Hao Tang

Recently, video-based world models that learn to simulate the dynamics have gained increasing attention in robot learning. However, current approaches primarily emphasize visual generative quality while overlooking physical fidelity,…

Robotics · Computer Science 2026-01-21 Baorui Peng , Wenyao Zhang , Liang Xu , Zekun Qi , Jiazhao Zhang , Hongsi Liu , Wenjun Zeng , Xin Jin

Interacting with the actual environment to acquire data is often costly and time-consuming in robotic tasks. Model-based offline reinforcement learning (RL) provides a feasible solution. On the one hand, it eliminates the requirements of…

Machine Learning · Computer Science 2023-10-17 Pengqin Wang , Meixin Zhu , Shaojie Shen

We present an approach to sensorimotor control in immersive environments. Our approach utilizes a high-dimensional sensory stream and a lower-dimensional measurement stream. The cotemporal structure of these streams provides a rich…

Machine Learning · Computer Science 2017-02-16 Alexey Dosovitskiy , Vladlen Koltun

Transformers have achieved state-of-the-art performance in language modeling tasks. However, the reasons behind their tremendous success are still unclear. In this paper, towards a better understanding, we train a Transformer model on a…

Machine Learning · Statistics 2024-06-06 Michael E. Sander , Raja Giryes , Taiji Suzuki , Mathieu Blondel , Gabriel Peyré

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

Sim2Real transfer has gained popularity because it helps transfer from inexpensive simulators to real world. This paper presents a novel system that fuses components in a traditional World Model into a robust system, trained entirely within…

Robotics · Computer Science 2024-03-26 Kiran Lekkala , Chen Liu , Laurent Itti

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

While model-based reinforcement learning (MBRL) improves sample efficiency by learning world models from raw observations, existing methods struggle to generalize across structurally similar scenes and remain vulnerable to spurious…

Machine Learning · Computer Science 2026-01-28 Zhao-Han Peng , Shaohui Li , Zhi Li , Shulan Ruan , Yu Liu , You He

Conventional visuomotor imitation learning usually predicts future robot actions directly in the time domain. Such formulations often have limited physical scene awareness and weak long-horizon memory. In contrast, world-model-based…

Robotics · Computer Science 2026-05-12 Changchuan Yang , Yuhang Dong , Guanzhong Tian , Haizhou Ge , Hongrui Zhu

Learning to control robots directly based on images is a primary challenge in robotics. However, many existing reinforcement learning approaches require iteratively obtaining millions of robot samples to learn a policy, which can take…

Robotics · Computer Science 2019-08-02 AJ Piergiovanni , Alan Wu , Michael S. Ryoo

A plausible scene evolution depends on the maneuver being considered, while a good maneuver depends on how the scene may evolve. Existing World Action Models (WAMs) largely miss this reciprocity, treating world prediction and action…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Hongbo Lu , Liang Yao , Chenghao He , Haoyu Wang , Xiang Gu , Xianfei Li , Wenlong Liao , Tao He , Pai Peng

Training visual reinforcement learning (RL) in practical scenarios presents a significant challenge, $\textit{i.e.,}$ RL agents suffer from low sample efficiency in environments with variations. While various approaches have attempted to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Qi Wang , Zhipeng Zhang , Baao Xie , Xin Jin , Yunbo Wang , Shiyu Wang , Liaomo Zheng , Xiaokang Yang , Wenjun Zeng

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

Remote sensing world models aim to both explain observed changes and forecast plausible futures, two tasks that share spatiotemporal priors. Existing methods, however, typically address them separately, limiting cross-task transfer. We…

Artificial Intelligence · Computer Science 2026-03-17 Linrui Xu , Zhongan Wang , Fei Shen , Gang Xu , Huiping Zhuang , Ming Li , Haifeng Li

Navigation is a fundamental capability for mobile robots. While the current trend is to use learning-based approaches to replace traditional geometry-based methods, existing end-to-end learning-based policies often struggle with 3D spatial…

Robotics · Computer Science 2026-01-21 Wangtian Shen , Ziyang Meng , Jinming Ma , Mingliang Zhou , Diyun Xiang

World models are essential for autonomous robotic planning. However, the substantial computational overhead of existing dense Transformerbased models significantly hinders real-time deployment. To address this efficiency-performance…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Shicheng Yin , Kaixuan Yin , Weixing Chen , Yang Liu , Guanbin Li , Liang Lin

Offline meta-reinforcement learning seeks to learn policies that generalize across related tasks from fixed datasets. Context-based methods infer a task representation from transition histories, but learning effective task representations…

Machine Learning · Computer Science 2026-03-04 Mohammadreza Nakheai , Aidan Scannell , Kevin Luck , Joni Pajarinen

Differentiable simulators represent an environment's dynamics as a differentiable function. Within robotics and autonomous driving, this property is used in Analytic Policy Gradients (APG), which relies on backpropagating through the…

Artificial Intelligence · Computer Science 2025-11-14 Asen Nachkov , Danda Pani Paudel , Jan-Nico Zaech , Davide Scaramuzza , Luc Van Gool

Trajectory planning in autonomous driving is highly dependent on predicting the emergent behavior of other road users. Learning-based methods are currently showing impressive results in simulation-based challenges, with transformer-based…

Machine Learning · Computer Science 2024-08-08 Lars Ullrich , Alex McMaster , Knut Graichen