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Low-overhead visual place recognition (VPR) is a highly active research topic. Mobile robotics applications often operate under low-end hardware, and even more hardware capable systems can still benefit from freeing up onboard system…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Bruno Arcanjo , Bruno Ferrarini , Michael Milford , Klaus D. McDonald-Maier , Shoaib Ehsan

In this paper, we propose a new image-based visual place recognition (VPR) framework by exploiting the structural cues in bird's-eye view (BEV) from a single monocular camera. The motivation arises from two key observations about place…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Fudong Ge , Yiwei Zhang , Shuhan Shen , Yue Wang , Weiming Hu , Jin Gao

Visual Place Recognition has been the subject of many endeavours utilizing different ensemble approaches to improve VPR performance. Ideas like multi-process fusion, Fly-Inspired Voting Units, SwitchHit or Switch-Fuse involve combining…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Maria Waheed , Michael Milford , Xiaojun Zhai , Maria Fasli , Klaus McDonald-Maier , Shoaib Ehsan

Given a query image, Visual Place Recognition (VPR) is the task of retrieving an image of the same place from a reference database with robustness to viewpoint and appearance changes. Recent works show that some VPR benchmarks are solved by…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Mubariz Zaffar , Liangliang Nan , Sebastian Scherer , Julian F. P. Kooij

Visual Place Recognition (VPR) is an image-based localization method that estimates the camera location of a query image by retrieving the most similar reference image from a map of geo-tagged reference images. In this work, we look into…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Mubariz Zaffar , Liangliang Nan , Julian Francisco Pieter Kooij

Visual Place Recognition (VPR) is fundamental for the global re-localization of robots and devices, enabling them to recognize previously visited locations based on visual inputs. This capability is crucial for maintaining accurate mapping…

Computer Vision and Pattern Recognition · Computer Science 2024-09-13 Oliver Grainge , Michael Milford , Indu Bodala , Sarvapali D. Ramchurn , Shoaib Ehsan

Visual Place Recognition (VPR) is a scene-oriented image retrieval problem in computer vision in which re-ranking based on local features is commonly employed to improve performance. In robotics, VPR is also referred to as Loop Closure…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Bingxi Liu , Hao Chen , Shiyi Guo , Yihong Wu , Jinqiang Cui , Hong Zhang

Visual Place Recognition (VPR) is a fundamental yet challenging task for small Unmanned Aerial Vehicle (UAV). The core reasons are the extreme viewpoint changes, and limited computational power onboard a UAV which restricts the…

Computer Vision and Pattern Recognition · Computer Science 2019-08-02 Bruno Ferrarini , Maria Waheed , Sania Waheed , Shoaib Ehsan , Michael Milford , Klaus D. McDonald-Maier

Recent studies show that the visual place recognition (VPR) method using pre-trained visual foundation models can achieve promising performance. In our previous work, we propose a novel method to realize seamless adaptation of foundation…

Computer Vision and Pattern Recognition · Computer Science 2025-11-10 Feng Lu , Tong Jin , Xiangyuan Lan , Lijun Zhang , Yunpeng Liu , Yaowei Wang , Chun Yuan

Images incorporate a wealth of information from a robot's surroundings. With the widespread availability of compact cameras, visual information has become increasingly popular for addressing the localisation problem, which is then termed as…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Mihnea-Alexandru Tomita , Bruno Ferrarini , Michael Milford , Klaus McDonald-Maier , Shoaib Ehsan

Visual Place Recognition (VPR) is a critical task for performing global re-localization in visual perception systems. It requires the ability to accurately recognize a previously visited location under variations such as illumination,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-15 Oliver Grainge , Michael Milford , Indu Bodala , Sarvapali D. Ramchurn , Shoaib Ehsan

Visual Place Recognition (VPR) is a crucial part of mobile robotics and autonomous driving as well as other computer vision tasks. It refers to the process of identifying a place depicted in a query image using only computer vision. At…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Amar Ali-bey , Brahim Chaib-draa , Philippe Giguère

Visual Place Recognition (VPR) is the task of retrieving database images similar to a query photo by comparing it to a large database of known images. In real-world applications, extreme illumination changes caused by query images taken at…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Bingxi Liu , Yujie Fu , Feng Lu , Jinqiang Cui , Yihong Wu , Hong Zhang

Visual Place Recognition (VPR) aims to estimate the location of an image by treating it as a retrieval problem. VPR uses a database of geo-tagged images and leverages deep neural networks to extract a global representation, called…

Computer Vision and Pattern Recognition · Computer Science 2024-04-23 Mattia Dutto , Gabriele Berton , Debora Caldarola , Eros Fanì , Gabriele Trivigno , Carlo Masone

Visual Place Recognition (VPR) has seen significant advances at the frontiers of matching performance and computational superiority over the past few years. However, these evaluations are performed for ground-based mobile platforms and…

Computer Vision and Pattern Recognition · Computer Science 2019-05-24 Mubariz Zaffar , Ahmad Khaliq , Shoaib Ehsan , Michael Milford , Kostas Alexis , Klaus McDonald-Maier

Visual place recognition (VPR) is critical in not only localization and mapping for autonomous driving vehicles, but also in assistive navigation for the visually impaired population. To enable a long-term VPR system on a large scale,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Diwei Sheng , Yuxiang Chai , Xinru Li , Chen Feng , Jianzhe Lin , Claudio Silva , John-Ross Rizzo

Visual Place Recognition (VPR) refers to the process of using computer vision to recognize the position of the current query image. Due to the significant changes in appearance caused by season, lighting, and time spans between query images…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Xuan Yu , Zhenyong Fu

Recent studies show that vision models pre-trained in generic visual learning tasks with large-scale data can provide useful feature representations for a wide range of visual perception problems. However, few attempts have been made to…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Feng Lu , Lijun Zhang , Xiangyuan Lan , Shuting Dong , Yaowei Wang , Chun Yuan

In this paper we address the task of visual place recognition (VPR), where the goal is to retrieve the correct GPS coordinates of a given query image against a huge geotagged gallery. While recent works have shown that building descriptors…

Computer Vision and Pattern Recognition · Computer Science 2022-01-26 Valerio Paolicelli , Antonio Tavera , Carlo Masone , Gabriele Berton , Barbara Caputo

We address multi-reference visual place recognition (VPR), where reference sets captured under varying conditions are used to improve localisation performance. While deep learning with large-scale training improves robustness, increasing…

Computer Vision and Pattern Recognition · Computer Science 2025-10-21 Timur Ismagilov , Shakaiba Majeed , Michael Milford , Tan Viet Tuyen Nguyen , Sarvapali D. Ramchurn , Shoaib Ehsan