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This paper introduces a real-time algorithm for navigating complex unknown environments cluttered with movable obstacles. Our algorithm achieves fast, adaptable routing by actively attempting to manipulate obstacles during path planning and…

Robotics · Computer Science 2024-04-12 Botao He , Guofei Chen , Wenshan Wang , Ji Zhang , Cornelia Fermuller , Yiannis Aloimonos

Vision-and-Language Navigation (VLN) is the task that requires an agent to navigate through the environment based on natural language instructions. At each step, the agent takes the next action by selecting from a set of navigable…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Jialu Li , Mohit Bansal

Generative Engine Optimization (GEO) is rapidly reshaping digital marketing paradigms in the era of Large Language Models (LLMs). However, current GEO strategies predominantly rely on Retrieval-Augmented Generation (RAG), which inherently…

Artificial Intelligence · Computer Science 2026-04-07 XinYu Zhao , ChengYou Li , XiangBao Meng , Kai Zhang , XiaoDong Liu

Embodied AI agents that search for objects in large environments such as households often need to make efficient decisions by predicting object locations based on partial information. We pose this as a new type of link prediction problem:…

What is a good visual representation for autonomous agents? We address this question in the context of semantic visual navigation, which is the problem of a robot finding its way through a complex environment to a target object, e.g. go to…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Arsalan Mousavian , Alexander Toshev , Marek Fiser , Jana Kosecka , Ayzaan Wahid , James Davidson

State-of-the-art reinforcement learning algorithms predominantly learn a policy from either a numerical state vector or images. Both approaches generally do not take structural knowledge of the task into account, which is especially…

Machine Learning · Computer Science 2022-03-14 Marco Oliva , Soubarna Banik , Josip Josifovski , Alois Knoll

Recent advancements in visual language models (VLMs) have notably enhanced their capabilities in handling complex Graphical User Interface (GUI) interaction tasks. Despite these improvements, current frameworks often struggle to generate…

Computation and Language · Computer Science 2025-04-23 Zhiyuan Hu , Shiyun Xiong , Yifan Zhang , See-Kiong Ng , Anh Tuan Luu , Bo An , Shuicheng Yan , Bryan Hooi

Graph Retrieval-Augmented Generation (GraphRAG) has emerged as a promising paradigm that organizes external knowledge into structured graphs of entities and relations, enabling large language models (LLMs) to perform complex reasoning…

Computation and Language · Computer Science 2026-04-14 Jinyoung Park , Sanghyeok Lee , Omar Zia Khan , Hyunwoo J. Kim , Joo-Kyung Kim

Many reinforcement learning tasks can benefit from explicit planning based on an internal model of the environment. Previously, such planning components have been incorporated through a neural network that partially aligns with the…

Machine Learning · Computer Science 2020-09-29 Andreea Deac , Pierre-Luc Bacon , Jian Tang

We propose improving the cross-target and cross-scene generalization of visual navigation through learning an agent that is guided by conceiving the next observations it expects to see. This is achieved by learning a variational Bayesian…

Robotics · Computer Science 2022-01-11 Qiaoyun Wu , Dinesh Manocha , Jun Wang , Kai Xu

As multimodal LLM-driven agents advance in autonomy and generalization, traditional static datasets face inherent scalability limitations and are insufficient for fully assessing their capabilities in increasingly complex and diverse tasks.…

Computation and Language · Computer Science 2026-03-06 Yurun Chen , Xavier Hu , Yuhan Liu , Ziqi Wang , Zeyi Liao , Lin Chen , Feng Wei , Yuxi Qian , Bo Zheng , Keting Yin , Shengyu Zhang

Providing Reinforcement Learning (RL) agents with human feedback can dramatically improve various aspects of learning. However, previous methods require human observer to give inputs explicitly (e.g., press buttons, voice interface),…

Neural and Evolutionary Computing · Computer Science 2020-10-15 Duo Xu , Mohit Agarwal , Ekansh Gupta , Faramarz Fekri , Raghupathy Sivakumar

Reinforcement Learning (RL) offers a powerful paradigm for autonomous robots to master generalist manipulation skills through trial-and-error. However, its real-world application is stifled by low sample efficiency. Recent Human-in-the-Loop…

Robotics · Computer Science 2026-03-10 Haojun Chen , Zili Zou , Chengdong Ma , Yaoxiang Pu , Haotong Zhang , Yuanpei Chen , Yaodong Yang

Graph embedding methods such as Graph Neural Networks (GNNs) and Graph Transformers have contributed to the development of graph reasoning algorithms for various tasks on knowledge graphs. However, the lack of interpretability and…

Artificial Intelligence · Computer Science 2023-10-26 Qinyong Wang , Zhenxiang Gao , Rong Xu

In value-based reinforcement learning (RL), unlike in supervised learning, the agent faces not a single, stationary, approximation problem, but a sequence of value prediction problems. Each time the policy improves, the nature of the…

Machine Learning · Computer Science 2021-01-05 Will Dabney , André Barreto , Mark Rowland , Robert Dadashi , John Quan , Marc G. Bellemare , David Silver

A complex visual navigation task puts an agent in different situations which call for a diverse range of visual perception abilities. For example, to "go to the nearest chair", the agent might need to identify a chair in a living room using…

Computer Vision and Pattern Recognition · Computer Science 2021-08-05 Bokui Shen , Danfei Xu , Yuke Zhu , Leonidas J. Guibas , Li Fei-Fei , Silvio Savarese

We study the task of embodied visual active learning, where an agent is set to explore a 3d environment with the goal to acquire visual scene understanding by actively selecting views for which to request annotation. While accurate on some…

Computer Vision and Pattern Recognition · Computer Science 2020-12-18 David Nilsson , Aleksis Pirinen , Erik Gärtner , Cristian Sminchisescu

Autonomous agents powered by large language models (LLMs) have shown impressive capabilities in tool manipulation for complex task-solving. However, existing paradigms such as ReAct rely on sequential reasoning and execution, failing to…

Artificial Intelligence · Computer Science 2025-10-30 Jiaqi Wu , Qinlao Zhao , Zefeng Chen , Kai Qin , Yifei Zhao , Xueqian Wang , Yuhang Yao

Indoor navigation is a difficult task, as it generally comes with poor GPS access, forcing solutions to rely on other sources of information. While significant progress continues to be made in this area, deployment to production…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Daniel Airinei , Elena Burceanu , Marius Leordeanu

Visual navigation with an image as goal is a fundamental and challenging problem. Conventional methods either rely on end-to-end RL learning or modular-based policy with topological graph or BEV map as memory, which cannot fully model the…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Wenxuan Guo , Xiuwei Xu , Hang Yin , Ziwei Wang , Jianjiang Feng , Jie Zhou , Jiwen Lu