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World models, which encapsulate the dynamics of how actions affect environments, are foundational to the functioning of intelligent agents. In this work, we explore the potential of Large Language Models (LLMs) to operate as world models.…

Computation and Language · Computer Science 2024-10-04 Kaige Xie , Ian Yang , John Gunerli , Mark Riedl

Large Language Models (LLMs) have demonstrated significant success across various domains. However, their application in complex decision-making tasks frequently necessitates intricate prompt engineering or fine-tuning, leading to…

Artificial Intelligence · Computer Science 2024-05-06 Wanpeng Zhang , Zongqing Lu

Robotic manipulation in real-world settings remains challenging, especially regarding robust generalization. Existing simulation platforms lack sufficient support for exploring how policies adapt to varied instructions and scenarios. Thus,…

Robotics · Computer Science 2025-06-13 Ning Gao , Yilun Chen , Shuai Yang , Xinyi Chen , Yang Tian , Hao Li , Haifeng Huang , Hanqing Wang , Tai Wang , Jiangmiao Pang

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

Learning generalist embodied agents, able to solve multitudes of tasks in different domains is a long-standing problem. Reinforcement learning (RL) is hard to scale up as it requires a complex reward design for each task. In contrast,…

Artificial Intelligence · Computer Science 2024-11-01 Pietro Mazzaglia , Tim Verbelen , Bart Dhoedt , Aaron Courville , Sai Rajeswar

Pretraining reinforcement learning (RL) models on offline datasets is a promising way to improve their training efficiency in online tasks, but challenging due to the inherent mismatch in dynamics and behaviors across various tasks. We…

Machine Learning · Computer Science 2024-06-06 Minting Pan , Yitao Zheng , Yunbo Wang , Xiaokang Yang

Deploying visuomotor robots at scale is challenging due to the potential for anomalous failures to degrade performance, cause damage, or endanger human life. Bimanual manipulators are no exception; these robots have vast state spaces…

Data augmentation (DA) is widely employed to improve the generalization performance of deep models. However, most existing DA methods employ augmentation operations with fixed or random magnitudes throughout the training process. While this…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Suorong Yang , Peijia Li , Xin Xiong , Furao Shen , Jian Zhao

Large Language Models (LLMs) demonstrate promising capabilities in solving scientific problems but often suffer from the issue of hallucination. While integrating LLMs with tools can mitigate this issue, models fine-tuned on tool usage…

Machine Learning · Computer Science 2025-06-23 Bohan Lyu , Yadi Cao , Duncan Watson-Parris , Leon Bergen , Taylor Berg-Kirkpatrick , Rose Yu

Training Vision-Language-Action (VLA) models for generalist robots typically requires large-scale real-world robot data, which is expensive and time-consuming to collect. The inefficiency of physical data collection severely limits the…

We propose a new molecular simulation framework that combines the transferability, robustness and chemical flexibility of an ab initio method with the accuracy and efficiency of a machine learned force field. The key to achieve this mix is…

Computational Physics · Physics 2020-01-08 Sebastian Dick , Marivi Fernandez-Serra

World models predict future transitions from observations and actions. Existing works predominantly focus on image generation only. Visual feature-based world models, on the other hand, predict future visual features instead of raw video…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Xinyu Zhang , Zhengtong Xu , Yutian Tao , Yeping Wang , Yu She , Abdeslam Boularias

Large Language Models (LLMs) such as ChatGPT demonstrate strong few-shot adaptability without requiring fine-tuning, positioning them ideal for data-limited and real-time applications. However, this adaptability has not yet been replicated…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Zixuan Hu , Yongxian Wei , Li Shen , Chun Yuan , Dacheng Tao

Recent progress in vision language foundation models has shown their ability to understand multimodal data and resolve complicated vision language tasks, including robotics manipulation. We seek a straightforward way of making use of…

World models have become a central paradigm for learning predictive simulators that support generation, planning, and decision-making. Yet, despite rapid progress in industry-scale interactive video generation, the broader research…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Siqiao Huang , Partha Kaushik , Michael Chen , Hengkai Pan , Kaiwen Geng , Omar Chehab , Fernando Moreno-Pino , Max Simchowitz

Current control algorithms for aerial robots struggle with robustness in dynamic environments and adverse conditions. Model-based reinforcement learning (RL) has shown strong potential in handling these challenges while remaining…

Robotics · Computer Science 2025-11-25 Eashan Vytla , Bhavanishankar Kalavakolanu , Andrew Perrault , Matthew McCrink

Foundation models are now a major focus of leading technology organizations due to their ability to generalize across diverse tasks. Existing approaches for adapting foundation models to new applications often rely on Federated Learning…

Machine Learning · Computer Science 2025-06-24 Jong-Ik Park , Srinivasa Pranav , José M. F. Moura , Carlee Joe-Wong

The integration of dynamic, sparse structures like Mixture-of-Experts (MoE) with parameter-efficient adapters (e.g., LoRA) is a powerful technique for enhancing Large Language Models (LLMs). However, this architectural enhancement comes at…

Artificial Intelligence · Computer Science 2026-03-13 Qiyang Li , Rui Kong , Yuchen Li , Hengyi Cai , Shuaiqiang Wang , Linghe Kong , Guihai Chen , Dawei Yin

Foundation models are a promising path toward general-purpose and user-friendly robots. The prevalent approach involves training a generalist policy that, like a reinforcement learning policy, uses observations to output actions. Although…

Robotics · Computer Science 2024-07-12 Isaac Sheidlower , Reuben Aronson , Elaine Schaertl Short

World models allow autonomous agents to plan and explore by predicting the visual outcomes of different actions. However, for robot manipulation, it is challenging to accurately model the fine-grained robot-object interaction within the…

Robotics · Computer Science 2025-07-30 Fangqi Zhu , Hongtao Wu , Song Guo , Yuxiao Liu , Chilam Cheang , Tao Kong