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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

Generalizing control policies to novel embodiments remains a fundamental challenge in enabling scalable and transferable learning in robotics. While prior works have explored this in locomotion, a systematic study in the context of…

Robotics · Computer Science 2025-05-22 Meenal Parakh , Alexandre Kirchmeyer , Beining Han , Jia Deng

The challenge of traversability estimation is a crucial aspect of autonomous navigation in unstructured outdoor environments such as forests. It involves determining whether certain areas are passable or risky for robots, taking into…

Robotics · Computer Science 2025-01-14 Fetullah Atas , Grzegorz Cielniak , Lars Grimstad

Recent work on visual world models shows significant promise in latent state dynamics obtained from pre-trained image backbones. However, most of the current approaches are sensitive to training quality, requiring near-complete coverage of…

Robotics · Computer Science 2025-08-11 Eric Jing , Abdeslam Boularias

Reinforcement learning necessitates meticulous reward shaping by specialists to elicit target behaviors, while imitation learning relies on costly task-specific data. In contrast, unsupervised skill discovery can potentially reduce these…

Robotics · Computer Science 2026-02-11 Ruopeng Cui , Yifei Bi , Haojie Luo , Wei Li

Web agents require massive trajectories to generalize, yet real-world training is constrained by network latency, rate limits, and safety risks. We introduce \textbf{WebWorld} series, the first open-web simulator trained at scale. While…

Artificial Intelligence · Computer Science 2026-02-17 Zikai Xiao , Jianhong Tu , Chuhang Zou , Yuxin Zuo , Zhi Li , Peng Wang , Bowen Yu , Fei Huang , Junyang Lin , Zuozhu Liu

Navigation foundation models trained on massive webscale data enable agents to generalize across diverse environments and embodiments. However, these models trained solely on offline data, often lack the capacity to reason about the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Honglin He , Yukai Ma , Wayne Wu , Bolei Zhou

Current approaches to humanoid control generally fall into two paradigms: perceptive locomotion, which handles terrain well but is limited to pedal gaits, and general motion tracking, which reproduces complex skills but ignores…

Robotics · Computer Science 2026-01-13 Ziwen Zhuang , Shaoting Zhu , Mengjie Zhao , Hang Zhao

Trajectory optimization methods have achieved an exceptional level of performance on real-world robots in recent years. These methods heavily rely on accurate analytical models of the dynamics, yet some aspects of the physical world can…

This paper addresses the challenge of terrain-adaptive dynamic locomotion in humanoid robots, a problem traditionally tackled by optimization-based methods or reinforcement learning (RL). Optimization-based methods, such as model-predictive…

Robotics · Computer Science 2024-07-30 Shangqun Yu , Nisal Perera , Daniel Marew , Donghyun Kim

The field of 4D world modeling - aiming to jointly capture spatial geometry and temporal dynamics - has witnessed remarkable progress in recent years, driven by advances in large-scale generative models and multimodal learning. However, the…

Whole-body humanoid locomotion is challenging due to high-dimensional control, morphological instability, and the need for real-time adaptation to various terrains using onboard perception. Directly applying reinforcement learning (RL) with…

End-to-end autonomous driving seeks to solve the perception, decision, and control problems in an integrated way, which can be easier to generalize at scale and be more adapting to new scenarios. However, high costs and risks make it very…

Machine Learning · Computer Science 2022-06-08 Sidney Bender , Tim Joseph , Marius Zoellner

Robots are used in more and more complex environments, and are expected to be able to adapt to changes and unknown situations. The easiest and quickest way to adapt is to change the control system of the robot, but for increasingly complex…

Robotics · Computer Science 2019-05-15 Tønnes F. Nygaard , Jørgen Nordmoen , Charles P. Martin , Kyrre Glette

Uncertainty-aware robot motion prediction is crucial for downstream traversability estimation and safe autonomous navigation in unstructured, off-road environments, where terrain is heterogeneous and perceptual uncertainty is high. Most…

Weather forecasting is a crucial task for meteorologic research, with direct social and economic impacts. Recently, data-driven weather forecasting models based on deep learning have shown great potential, achieving superior performance…

Atmospheric and Oceanic Physics · Physics 2024-08-26 Lihao Gan , Xin Man , Chenghong Zhang , Jie Shao

The rapid progress in embodied artificial intelligence has highlighted the necessity for more advanced and integrated models that can perceive, interpret, and predict environmental dynamics. In this context, World Models (WMs) have been…

Model-based methods are the dominant paradigm for controlling robotic systems, though their efficacy depends heavily on the accuracy of the model used. Deep neural networks have been used to learn models of robot dynamics from data, but…

Robotics · Computer Science 2020-04-23 Jayesh K. Gupta , Kunal Menda , Zachary Manchester , Mykel J. Kochenderfer

Dynamical Systems (DS) are an effective and powerful means of shaping high-level policies for robotics control. They provide robust and reactive control while ensuring the stability of the driving vector field. The increasing complexity of…

Robotics · Computer Science 2024-03-19 Bernardo Fichera , Aude Billard

Despite recent successes of reinforcement learning (RL), it remains a challenge for agents to transfer learned skills to related environments. To facilitate research addressing this problem, we propose CausalWorld, a benchmark for causal…