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Motivated by the success of Transformers when applied to sequences of discrete symbols, token-based world models (TBWMs) were recently proposed as sample-efficient methods. In TBWMs, the world model consumes agent experience as a…

Machine Learning · Computer Science 2024-05-30 Lior Cohen , Kaixin Wang , Bingyi Kang , Shie Mannor

Autonomous navigation of terrestrial robots using Reinforcement Learning (RL) from LIDAR observations remains challenging due to the high dimensionality of sensor data and the sample inefficiency of model-free approaches. Conventional…

The Dreamer algorithm has recently obtained remarkable performance across diverse environment domains by training powerful agents with simulated trajectories. However, the compressed nature of its world model's latent space can result in…

Machine Learning · Computer Science 2026-02-04 Maxime Burchi , Radu Timofte

Model-based reinforcement learning agents utilizing transformers have shown improved sample efficiency due to their ability to model extended context, resulting in more accurate world models. However, for complex reasoning and planning…

Machine Learning · Computer Science 2024-06-04 Pranav Agarwal , Sheldon Andrews , Samira Ebrahimi Kahou

We integrate a meta-reinforcement learning algorithm with the DreamerV3 architecture to improve load balancing in operating systems. This approach enables rapid adaptation to dynamic workloads with minimal retraining, outperforming the…

Machine Learning · Computer Science 2025-03-13 Cameron Redovian

Recently Transformer and Convolution neural network (CNN) based models have shown promising results in Automatic Speech Recognition (ASR), outperforming Recurrent neural networks (RNNs). Transformer models are good at capturing…

Audio and Speech Processing · Electrical Eng. & Systems 2020-05-19 Anmol Gulati , James Qin , Chung-Cheng Chiu , Niki Parmar , Yu Zhang , Jiahui Yu , Wei Han , Shibo Wang , Zhengdong Zhang , Yonghui Wu , Ruoming Pang

This paper introduces TransDreamerV3, a reinforcement learning model that enhances the DreamerV3 architecture by integrating a transformer encoder. The model is designed to improve memory and decision-making capabilities in complex…

Machine Learning · Computer Science 2025-06-23 Shruti Sadanand Dongare , Amun Kharel , Jonathan Samuel , Xiaona Zhou

Neural networks have changed the way machines interpret the world. At their core, they learn by following gradients, adjusting their parameters step by step until they identify the most discriminant patterns in the data. This process gives…

Computer Vision and Pattern Recognition · Computer Science 2025-11-03 Samarup Bhattacharya , Anubhab Bhattacharya , Abir Chakraborty

The paradigm of learning-based robotics holds immense promise, yet its translation to real-world applications is critically hindered by the sample inefficiency and brittleness of conventional model-free reinforcement learning algorithms. In…

Robotics · Computer Science 2025-12-02 Agniprabha Chakraborty

As learning-based robotic controllers are typically trained offline and deployed with fixed parameters, their ability to cope with unforeseen changes during operation is limited. Biologically inspired, this work presents a framework for…

Robotics · Computer Science 2026-03-05 Fabian Domberg , Georg Schildbach

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

While supervised learning has enabled great progress in many applications, unsupervised learning has not seen such widespread adoption, and remains an important and challenging endeavor for artificial intelligence. In this work, we propose…

Machine Learning · Computer Science 2019-01-23 Aaron van den Oord , Yazhe Li , Oriol Vinyals

Developing a general algorithm that learns to solve tasks across a wide range of applications has been a fundamental challenge in artificial intelligence. Although current reinforcement learning algorithms can be readily applied to tasks…

Artificial Intelligence · Computer Science 2024-04-18 Danijar Hafner , Jurgis Pasukonis , Jimmy Ba , Timothy Lillicrap

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

Sample efficiency remains a fundamental issue of reinforcement learning. Model-based algorithms try to make better use of data by simulating the environment with a model. We propose a new neural network architecture for world models based…

Machine Learning · Computer Science 2021-03-03 Jan Robine , Tobias Uelwer , Stefan Harmeling

World models learn general knowledge from videos and simulate experience for training behaviors in imagination, offering a path towards intelligent agents. However, previous world models have been unable to accurately predict object…

Artificial Intelligence · Computer Science 2025-09-30 Danijar Hafner , Wilson Yan , Timothy Lillicrap

Advancements in reinforcement learning have led to the development of sophisticated models capable of learning complex decision-making tasks. However, efficiently integrating world models with decision transformers remains a challenge. In…

A fundamental challenge in multi-task reinforcement learning (MTRL) is achieving sample efficiency in visual domains where tasks exhibit substantial heterogeneity in both observations and dynamics. Model-based reinforcement learning offers…

Machine Learning · Computer Science 2026-02-03 Boxuan Zhang , Weipu Zhang , Zhaohan Feng , Wei Xiao , Jian Sun , Jie Chen , Gang Wang

Reinforcement learning (RL) is well known for requiring large amounts of data in order for RL agents to learn to perform complex tasks. Recent progress in model-based RL allows agents to be much more data-efficient, as it enables them to…

Machine Learning · Computer Science 2021-08-17 Remo Sasso , Matthia Sabatelli , Marco A. Wiering

We propose learning via retracing, a novel self-supervised approach for learning the state representation (and the associated dynamics model) for reinforcement learning tasks. In addition to the predictive (reconstruction) supervision in…

Machine Learning · Computer Science 2022-09-26 Changmin Yu , Dong Li , Jianye Hao , Jun Wang , Neil Burgess