English
Related papers

Related papers: Optimistic Agent: Accurate Graph-Based Value Estim…

200 papers

This paper proposes an exploration technique for multi-agent reinforcement learning (MARL) with graph-based communication among agents. We assume the individual rewards received by the agents are independent of the actions by the other…

Machine Learning · Computer Science 2025-08-11 Ainur Zhaikhan , Ali H. Sayed

Existing work on vision and language navigation mainly relies on navigation-related losses to establish the connection between vision and language modalities, neglecting aspects of helping the navigation agent build a deep understanding of…

Computation and Language · Computer Science 2024-02-06 Yue Zhang , Quan Guo , Parisa Kordjamshidi

From a telecommunication standpoint, the surge in users and services challenges next-generation networks with escalating traffic demands and limited resources. Accurate traffic prediction can offer network operators valuable insights into…

Machine Learning · Computer Science 2024-05-16 Duc Thinh Ngo , Kandaraj Piamrat , Ons Aouedi , Thomas Hassan , Philippe Raipin-Parvédy

Semantic localization, i.e., robot self-localization with semantic image modality, is critical in recently emerging embodied AI applications (e.g., point-goal navigation, object-goal navigation, vision language navigation) and topological…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Mitsuki Yoshida , Kanji Tanaka , Ryogo Yamamoto , Daiki Iwata

We study the problem of learning a generalizable action policy for an intelligent agent to actively approach an object of interest in an indoor environment solely from its visual inputs. While scene-driven or recognition-driven visual…

Robotics · Computer Science 2019-03-08 Xin Ye , Zhe Lin , Joon-Young Lee , Jianming Zhang , Shibin Zheng , Yezhou Yang

Graph path search is a classic computer science problem that has been recently approached with Reinforcement Learning (RL) due to its potential to outperform prior methods. Existing RL techniques typically assume a global view of the…

Machine Learning · Computer Science 2024-11-27 Alexei Pisacane , Victor-Alexandru Darvariu , Mirco Musolesi

Large Language Models (LLMs) based agents have demonstrated remarkable potential in autonomous task-solving across complex, open-ended environments. A promising approach for improving the reasoning capabilities of LLM agents is to better…

Computation and Language · Computer Science 2025-11-12 Siyu Xia , Zekun Xu , Jiajun Chai , Wentian Fan , Yan Song , Xiaohan Wang , Guojun Yin , Wei Lin , Haifeng Zhang , Jun Wang

Ensuring maritime safety and optimizing traffic management in increasingly crowded and complex waterways require effective waterway monitoring. However, current methods struggle with challenges arising from multimodal data, such as…

Artificial Intelligence · Computer Science 2025-04-15 Yuxu Lu , Kaisen Yang , Dong Yang , Haifeng Ding , Jinxian Weng , Ryan Wen Liu

Reinforcement Learning (RL) algorithms often struggle with low training efficiency. A common approach to address this challenge is integrating model-based planning algorithms, such as Monte Carlo Tree Search (MCTS) or Value Iteration (VI),…

Machine Learning · Computer Science 2025-01-08 Zidu Yin , Zhen Zhang , Dong Gong , Stefano V. Albrecht , Javen Q. Shi

Vision guided navigation requires processing complex visual information to inform task-orientated decisions. Applications include autonomous robots, self-driving cars, and assistive vision for humans. A key element is the extraction and…

Robotics · Computer Science 2022-09-20 Jaime Ruiz-Serra , Jack White , Stephen Petrie , Tatiana Kameneva , Chris McCarthy

Vision-language agents that orchestrate specialized tools for image restoration (IR) have emerged as a promising method, yet most existing frameworks operate in a training-free manner. They rely on heuristic task scheduling and exhaustive…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Yisheng Zhang , Guoli Jia , Haote Hu , Shanxu Zhao , Kaikai Zhao , Long Sun , Xinwei Long , Kai Tian , Che Jiang , Zhaoxiang Liu , Kai Wang , Shiguo Lian , Kaiyan Zhang , Bowen Zhou

Designing agents, capable of learning autonomously a wide range of skills is critical in order to increase the scope of reinforcement learning. It will both increase the diversity of learned skills and reduce the burden of manually…

Machine Learning · Computer Science 2022-11-08 Grgur Kovač , Adrien Laversanne-Finot , Pierre-Yves Oudeyer

Multi-agent Epistemic Planning (MEP) is an autonomous planning framework for reasoning about both the physical world and the beliefs of agents, with applications in domains where information flow and awareness among agents are critical. The…

Artificial Intelligence · Computer Science 2026-02-09 Giovanni Briglia , Francesco Fabiano , Stefano Mariani

In the context of smart city transportation, efficient matching of taxi supply with passenger demand requires real-time integration of urban traffic network data and mobility patterns. Conventional taxi hotspot prediction models often rely…

Machine Learning · Computer Science 2026-01-05 Sonia Khetarpaul , P Y Sharan

Deep reinforcement learning in partially observable environments is a difficult task in itself, and can be further complicated by a sparse reward signal. Most tasks involving navigation in three-dimensional environments provide the agent…

Machine Learning · Computer Science 2023-10-17 Matvey Gerasyov , Ilya Makarov

As the world of agentic artificial intelligence applied to robotics evolves, the need for agents capable of building and retrieving memories and observations efficiently is increasing. Robots operating in complex environments must build…

Robotics · Computer Science 2026-04-21 Paolo Riva , Leonardo Gargani , Matteo Frosi , Matteo Matteucci

Approximate nearest neighbor search (ANNS) in high-dimensional spaces is a pivotal challenge in the field of machine learning. In recent years, graph-based methods have emerged as the superior approach to ANNS, establishing a new state of…

Machine Learning · Computer Science 2024-07-11 Kejing Lu , Chuan Xiao , Yoshiharu Ishikawa

In this paper, we introduce the Semantic Environment Atlas (SEA), a novel mapping approach designed to enhance visual navigation capabilities of embodied agents. The SEA utilizes semantic graph maps that intricately delineate the…

Artificial Intelligence · Computer Science 2024-10-15 Nuri Kim , Jeongho Park , Mineui Hong , Songhwai Oh

The ultimate navigation efficiency of mobile robots in human environments will depend on how we will appraise them: merely as impersonal machines or as human-like agents. In the latter case, an agent may take advantage of the cooperative…

Safe and efficient crowd navigation for mobile robot is a crucial yet challenging task. Previous work has shown the power of deep reinforcement learning frameworks to train efficient policies. However, their performance deteriorates when…

Robotics · Computer Science 2019-09-24 Yuying Chen , Congcong Liu , Ming Liu , Bertram E. Shi