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We consider the problem of time-limited robotic exploration in previously unseen environments where exploration is limited by a predefined amount of time. We propose a novel exploration approach using learning-augmented model-based…

Robotics · Computer Science 2023-08-10 Yimeng Li , Arnab Debnath , Gregory Stein , Jana Kosecka

Intelligent agents must pursue their goals in complex environments with partial information and often limited computational capacity. Reinforcement learning methods have achieved great success by creating agents that optimize engineered…

Machine Learning · Computer Science 2021-06-07 Alejandro Daniel Noel , Charel van Hoof , Beren Millidge

Building general-purpose graphical user interface (GUI) agents has become increasingly promising with the progress in vision language models. However, developing effective mobile GUI agents with reinforcement learning (RL) remains…

Machine Learning · Computer Science 2025-10-27 Yifan Xu , Xiao Liu , Xinghan Liu , Jiaqi Fu , Hanchen Zhang , Bohao Jing , Shudan Zhang , Yuting Wang , Wenyi Zhao , Yuxiao Dong

Target localization is a critical task in sensitive applications, where multiple sensing agents communicate and collaborate to identify the target location based on sensor readings. Existing approaches investigated the use of Multi-Agent…

Machine Learning · Computer Science 2025-01-22 Ahmed Alagha , Rabeb Mizouni , Shakti Singh , Jamal Bentahar , Hadi Otrok

Reinforcement Learning enables to train an agent via interaction with the environment. However, in the majority of real-world scenarios, the extrinsic feedback is sparse or not sufficient, thus intrinsic reward formulations are needed to…

Machine Learning · Computer Science 2022-06-07 Patrik Reizinger , Márton Szemenyei

In recent years Landmark Complexes have been successfully employed for localization-free and metric-free autonomous exploration using a group of sensing-limited and communication-limited robots in a GPS-denied environment. To ensure rapid…

Robotics · Computer Science 2022-09-27 Xiatao Sun , Yuwei Wu , Subhrajit Bhattacharya , Vijay Kumar

We present AGL-NET, a novel learning-based method for global localization using LiDAR point clouds and satellite maps. AGL-NET tackles two critical challenges: bridging the representation gap between image and points modalities for robust…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Tianrui Guan , Ruiqi Xian , Xijun Wang , Xiyang Wu , Mohamed Elnoor , Daeun Song , Dinesh Manocha

The concept of geo-localization refers to the process of determining where on earth some `entity' is located, typically using Global Positioning System (GPS) coordinates. The entity of interest may be an image, sequence of images, a video,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-13 Daniel Wilson , Xiaohan Zhang , Waqas Sultani , Safwan Wshah

Large Language Models (LLMs) increasingly rely on agentic capabilities-iterative retrieval, tool use, and decision-making-to overcome the limits of static, parametric knowledge. Yet existing agentic frameworks treat external information as…

Computation and Language · Computer Science 2026-04-24 Yuanfu Sun , Kang Li , Dongzhe Fan , Jiajin Liu , Qiaoyu Tan

Many problems can be viewed as forms of geospatial search aided by aerial imagery, with examples ranging from detecting poaching activity to human trafficking. We model this class of problems in a visual active search (VAS) framework, which…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Anindya Sarkar , Michael Lanier , Scott Alfeld , Jiarui Feng , Roman Garnett , Nathan Jacobs , Yevgeniy Vorobeychik

Generalizable active mapping in complex unknown environments remains a critical challenge for mobile robots. Existing methods, constrained by insufficient training data and conservative exploration strategies, exhibit limited…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Xiao Chen , Tai Wang , Quanyi Li , Tao Huang , Jiangmiao Pang , Tianfan Xue

We present an adversarial active exploration for inverse dynamics model learning, a simple yet effective learning scheme that incentivizes exploration in an environment without any human intervention. Our framework consists of a deep…

Machine Learning · Computer Science 2020-03-18 Zhang-Wei Hong , Tsu-Jui Fu , Tzu-Yun Shann , Yi-Hsiang Chang , Chun-Yi Lee

Autonomous reinforcement learning agents, like children, do not have access to predefined goals and reward functions. They must discover potential goals, learn their own reward functions and engage in their own learning trajectory.…

Machine Learning · Computer Science 2019-11-11 Nicolas Lair , Cédric Colas , Rémy Portelas , Jean-Michel Dussoux , Peter Ford Dominey , Pierre-Yves Oudeyer

Common approaches for task-agnostic exploration learn tabula-rasa --the agent assumes isolated environments and no prior knowledge or experience. However, in the real world, agents learn in many environments and always come with prior…

Machine Learning · Computer Science 2021-11-29 Simone Parisi , Victoria Dean , Deepak Pathak , Abhinav Gupta

Perceiving potential ``action possibilities'' (\ie, affordance) regions of images and learning interactive functionalities of objects from human demonstration is a challenging task due to the diversity of human-object interactions.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Hongchen Luo , Wei Zhai , Jiao Wang , Yang Cao , Zheng-Jun Zha

Active learning for object detection is conventionally achieved by applying techniques developed for classification in a way that aggregates individual detections into image-level selection criteria. This is typically coupled with the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Michael Laielli , Giscard Biamby , Dian Chen , Ritwik Gupta , Adam Loeffler , Phat Dat Nguyen , Ross Luo , Trevor Darrell , Sayna Ebrahimi

Visual event perception tasks such as action localization have primarily focused on supervised learning settings under a static observer, i.e., the camera is static and cannot be controlled by an algorithm. They are often restricted by the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-11 Shubham Trehan , Sathyanarayanan N. Aakur

Building generalizable goal-conditioned agents from rich observations is a key to reinforcement learning (RL) solving real world problems. Traditionally in goal-conditioned RL, an agent is provided with the exact goal they intend to reach.…

Machine Learning · Computer Science 2022-05-18 Philippe Hansen-Estruch , Amy Zhang , Ashvin Nair , Patrick Yin , Sergey Levine

This paper considers the problem of efficient exploration of unseen environments, a key challenge in AI. We propose a `learning to explore' framework where we learn a policy from a distribution of environments. At test time, presented with…

Machine Learning · Computer Science 2019-10-30 Hanjun Dai , Yujia Li , Chenglong Wang , Rishabh Singh , Po-Sen Huang , Pushmeet Kohli

Active target sensing is the task of discovering and classifying an unknown number of targets in an environment and is critical in search-and-rescue missions. This paper develops a deep reinforcement learning approach to plan informative…

Robotics · Computer Science 2022-12-19 Harsh Goel , Laura Jarin Lipschitz , Saurav Agarwal , Sandeep Manjanna , Vijay Kumar