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Visual place recognition (VPR) enables autonomous systems to localize themselves within an environment using image information. While VPR techniques built upon a Convolutional Neural Network (CNN) backbone dominate state-of-the-art VPR…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Bruno Arcanjo , Bruno Ferrarini , Maria Fasli , Michael Milford , Klaus D. McDonald-Maier , Shoaib Ehsan

A key challenge in visual place recognition (VPR) is recognizing places despite drastic visual appearance changes due to factors such as time of day, season, weather or lighting conditions. Numerous approaches based on deep-learnt image…

Computer Vision and Pattern Recognition · Computer Science 2021-01-25 Timothy L. Molloy , Tobias Fischer , Michael Milford , Girish N. Nair

Visual Place Recognition (VPR) is the ability to correctly recall a previously visited place under changing viewpoints and appearances. A large number of handcrafted and deep-learning-based VPR techniques exist, where the former suffer from…

Computer Vision and Pattern Recognition · Computer Science 2020-09-29 Mihnea-Alexandru Tomită , Mubariz Zaffar , Michael Milford , Klaus McDonald-Maier , Shoaib Ehsan

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 is an important problem towards global localization in many robotics tasks. One of the biggest challenges is that it may suffer from illumination or appearance changes in surrounding environments. Event cameras are…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Xiang Ji , Jiaxin Wei , Yifu Wang , Huiliang Shang , Laurent Kneip

This paper adapts a general dataset representation technique to produce robust Visual Place Recognition (VPR) descriptors, crucial to enable real-world mobile robot localisation. Two parallel lines of work on VPR have shown, on one side,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-15 Benjamin Ramtoula , Daniele De Martini , Matthew Gadd , Paul Newman

Visual Place Recognition (VPR) is the task of matching current visual imagery from a camera to images stored in a reference map of the environment. While initial VPR systems used simple direct image methods or hand-crafted visual features,…

Computer Vision and Pattern Recognition · Computer Science 2021-02-25 Sourav Garg , Michael Milford

Visual Place Recognition (VPR) determines a query image's geographic location by matching it against geotagged databases. However, existing methods struggle with perceptual aliasing caused by irrelevant regions and inefficient re-ranking…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Shunpeng Chen , Yukun Song , Changwei Wang , Rongtao Xu , Kexue Fu , Longxiang Gao , Li Guo , Ruisheng Wang , Shibiao Xu

Visual place recognition (VPR) is a fundamental task of computer vision for visual localization. Existing methods are trained using image pairs that either depict the same place or not. Such a binary indication does not consider continuous…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Maria Leyva-Vallina , Nicola Strisciuglio , Nicolai Petkov

Visual place recognition (VPR) using deep networks has achieved state-of-the-art performance. However, most of them require a training set with ground truth sensor poses to obtain positive and negative samples of each observation's spatial…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Chao Chen , Zegang Cheng , Xinhao Liu , Yiming Li , Li Ding , Ruoyu Wang , Chen Feng

Road segmentation in challenging domains, such as night, snow or rain, is a difficult task. Most current approaches boost performance using fine-tuning, domain adaptation, style transfer, or by referencing previously acquired imagery. These…

Computer Vision and Pattern Recognition · Computer Science 2022-05-30 Connor Malone , Sourav Garg , Ming Xu , Thierry Peynot , Michael Milford

This paper addresses Visual Place Recognition (VPR), which is essential for the safe navigation of mobile robots. The solution we propose employs panoramic images and deep learning models, which are fine-tuned with triplet loss functions…

Robotics · Computer Science 2025-10-03 Marcos Alfaro , Juan José Cabrera , María Flores , Óscar Reinoso , Luis Payá

Visual Place Recognition (VPR) is aimed at predicting the location of a query image by referencing a database of geotagged images. For VPR task, often fewer discriminative local regions in an image produce important effects while mundane…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Changwei Wang , Shunpeng Chen , Yukun Song , Rongtao Xu , Zherui Zhang , Jiguang Zhang , Haoran Yang , Yu Zhang , Kexue Fu , Shide Du , Zhiwei Xu , Longxiang Gao , Li Guo , Shibiao Xu

Over the past decade, most methods in visual place recognition (VPR) have used neural networks to produce feature representations. These networks typically produce a global representation of a place image using only this image itself and…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Feng Lu , Xiangyuan Lan , Lijun Zhang , Dongmei Jiang , Yaowei Wang , Chun Yuan

Visual Place Recognition (VPR) is a fundamental task that allows a robotic platform to successfully localise itself in the environment. For decentralised VPR applications where the visual data has to be transmitted between several agents,…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Mihnea-Alexandru Tomita , Bruno Ferrarini , Michael Milford , Klaus McDonald-Maier , Shoaib Ehsan

Visual Place Recognition is a task that aims to predict the coordinates of an image (called query) based solely on visual clues. Most commonly, a retrieval approach is adopted, where the query is matched to the most similar images from a…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Giovanni Barbarani , Mohamad Mostafa , Hajali Bayramov , Gabriele Trivigno , Gabriele Berton , Carlo Masone , Barbara Caputo

Utilizing visual place recognition (VPR) technology to ascertain the geographical location of publicly available images is a pressing issue for real-world VPR applications. Although most current VPR methods achieve favorable results under…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Gaoshuang Huang , Yang Zhou , Xiaofei Hu , Chenglong Zhang , Luying Zhao , Wenjian Gan , Mingbo Hou

Visual Place Recognition (VPR) aims to retrieve frames from a geotagged database that are located at the same place as the query frame. To improve the robustness of VPR in perceptually aliasing scenarios, sequence-based VPR methods are…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Junqiao Zhao , Fenglin Zhang , Yingfeng Cai , Gengxuan Tian , Wenjie Mu , Chen Ye , Tiantian Feng

Mesh-based scene representation offers a promising direction for simplifying large-scale hierarchical visual localization pipelines, combining a visual place recognition step based on global features (retrieval) and a visual localization…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Gabriele Berton , Lorenz Junglas , Riccardo Zaccone , Thomas Pollok , Barbara Caputo , Carlo Masone

Visual place recognition is a challenging task for autonomous driving and robotics, which is usually considered as an image retrieval problem. A commonly used two-stage strategy involves global retrieval followed by re-ranking using…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Yanqing Shen , Sanping Zhou , Jingwen Fu , Ruotong Wang , Shitao Chen , Nanning Zheng