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Worldwide image geolocalization, which aims to predict the GPS coordinates of any image on Earth, remains challenging due to global visual diversity. Recent generative approaches based on Retrieval-Augmented Generation (RAG) and Large…

Information Retrieval · Computer Science 2026-04-29 Tung-Duong Le-Duc , Hoang-Quoc Nguyen-Son , Minh-Son Dao

Image geo-localization aims to determine where a photograph was taken, a task that often requires more than recognizing visible landmarks. Human experts typically solve it through an iterative workflow: they inspect informative regions,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Yong Li , Furong Jia , Dacheng Yin , Kang Rong , Fengyun Rao , Jing Lyu , Fan Zhang

This paper presents a novel end-to-end Unmanned Aerial System (UAS) navigation approach for long-range visual navigation in the real world. Inspired by dual-process visual navigation system of human's instinct: environment understanding and…

Robotics · Computer Science 2022-08-26 Yuci Han , Jianli Wei , Alper Yilmaz

The challenge of navigation in environments with dynamic objects continues to be a central issue in the study of autonomous agents. While predictive methods hold promise, their reliance on precise state information makes them less practical…

Robotics · Computer Science 2024-10-28 Hsuan-Kung Yang , Tsung-Chih Chiang , Ting-Ru Liu , Chun-Wei Huang , Jou-Min Liu , Chun-Yi Lee

Persistent monitoring of dynamic targets is essential in real-world applications such as disaster response, environmental sensing, and wildlife conservation, where mobile agents must continuously gather information under uncertainty. We…

Multiagent Systems · Computer Science 2025-10-21 Xingjian Zhang , Yizhuo Wang , Guillaume Sartoretti

Continuous action policy search is currently the focus of intensive research, driven both by the recent success of deep reinforcement learning algorithms and the emergence of competitors based on evolutionary algorithms. In this paper, we…

Machine Learning · Computer Science 2019-06-14 Olivier Sigaud , Freek Stulp

Existing action detection algorithms usually generate action proposals through an extensive search over the video at multiple temporal scales, which brings about huge computational overhead and deviates from the human perception procedure.…

Computer Vision and Pattern Recognition · Computer Science 2017-06-23 Jingjia Huang , Nannan Li , Tao Zhang , Ge Li

Active visual exploration addresses the issue of limited sensor capabilities in real-world scenarios, where successive observations are actively chosen based on the environment. To tackle this problem, we introduce a new technique called…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Adam Pardyl , Grzegorz Rypeść , Grzegorz Kurzejamski , Bartosz Zieliński , Tomasz Trzciński

Many engineering problems require identifying feasible domains under implicit constraints. One example is finding acceptable car body styling designs based on constraints like aesthetics and functionality. Current active-learning based…

Machine Learning · Computer Science 2018-01-23 Wei Chen , Mark Fuge

Integration of reinforcement learning with unmanned aerial vehicles (UAVs) to achieve autonomous flight has been an active research area in recent years. An important part focuses on obstacle detection and avoidance for UAVs navigating…

Artificial Intelligence · Computer Science 2021-03-12 Jeremy Roghair , Kyungtae Ko , Amir Ehsan Niaraki Asli , Ali Jannesari

This paper outlines the development and testing of a novel, feedback-enabled attention allocation aid (AAAD), which uses real-time physiological data to improve human performance in a realistic sequential visual search task. Indeed, by…

Human-Computer Interaction · Computer Science 2017-01-17 Arturo Deza , Jeffrey R. Peters , Grant S. Taylor , Amit Surana , Miguel P. Eckstein

Training-free Vision-Language Navigation (VLN) agents powered by foundation models can follow instructions and explore 3D environments. However, existing approaches rely on greedy frontier selection and passive spatial memory, leading to…

Robotics · Computer Science 2026-04-03 Xueying Li , Feng Lyu , Hao Wu , Mingliu Liu , Jia-Nan Liu , Guozi Liu

In some scenarios, a single input image may not be enough to allow the object classification. In those cases, it is crucial to explore the complementary information extracted from images presenting the same object from multiple perspectives…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Gabriel Machado , Keiller Nogueira , Matheus Barros Pereira , Jefersson Alex dos Santos

In this paper, we explore the application of Unmanned Aerial Vehicles (UAVs) in maritime search and rescue (mSAR) missions, focusing on medium-sized fixed-wing drones and quadcopters. We address the challenges and limitations inherent in…

Robotics · Computer Science 2024-03-22 Martin Messmer , Benjamin Kiefer , Leon Amadeus Varga , Andreas Zell

We present a novel compact image descriptor for large scale image search. Our proposed descriptor - Geometric VLAD (gVLAD) is an extension of VLAD (Vector of Locally Aggregated Descriptors) that incorporates weak geometry information into…

Computer Vision and Pattern Recognition · Computer Science 2014-03-18 Zixuan Wang , Wei Di , Anurag Bhardwaj , Vignesh Jagadeesh , Robinson Piramuthu

In this paper, we introduce a novel interactive satellite image change detection algorithm based on active learning. The proposed approach is iterative and asks the user (oracle) questions about the targeted changes and according to the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Sebastien Deschamps , Hichem Sahbi

Efficient exploration is an unsolved problem in Reinforcement Learning which is usually addressed by reactively rewarding the agent for fortuitously encountering novel situations. This paper introduces an efficient active exploration…

Machine Learning · Computer Science 2019-06-17 Pranav Shyam , Wojciech Jaśkowski , Faustino Gomez

The ability to navigate from visual observations in unfamiliar environments is a core component of intelligent agents and an ongoing challenge for Deep Reinforcement Learning (RL). Street View can be a sensible testbed for such RL agents,…

Computer Vision and Pattern Recognition · Computer Science 2019-09-24 Ang Li , Huiyi Hu , Piotr Mirowski , Mehrdad Farajtabar

We introduce the first work to tackle the image retrieval problem as a continuous operation. While the proposed approaches in the literature can be roughly categorized into two main groups: category- and instance-based retrieval, in this…

Computer Vision and Pattern Recognition · Computer Science 2019-04-02 Ziad Al-Halah , Andreas M. Lehrmann , Leonid Sigal

For VSLAM (Visual Simultaneous Localization and Mapping), localization is a challenging task, especially for some challenging situations: textureless frames, motion blur, etc.. To build a robust exploration and localization system in a…

Robotics · Computer Science 2018-07-04 Weinan Chen , Lei Zhu , Yisheng Guan , C. Ronald Kube , Hong Zhang