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Visual place recognition (VPR) - the act of recognizing a familiar visual place - becomes difficult when there is extreme environmental appearance change or viewpoint change. Particularly challenging is the scenario where both phenomena…

Visual Place Recognition (VPR) is the ability to correctly recall a previously visited place using visual information under environmental, viewpoint and appearance changes. An emerging trend in VPR is the use of sequence-based filtering…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Mihnea-Alexandru Tomită , Mubariz Zaffar , Michael Milford , Klaus McDonald-Maier , Shoaib Ehsan

We address the problem of 3D object detection, that is, estimating 3D object bounding boxes from point clouds. 3D object detection methods exploit either voxel-based or point-based features to represent 3D objects in a scene. Voxel-based…

Computer Vision and Pattern Recognition · Computer Science 2021-04-05 Jongyoun Noh , Sanghoon Lee , Bumsub Ham

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

Mobile robots necessitate advanced natural language understanding capabilities to accurately identify locations and perform tasks such as package delivery. However, traditional visual place recognition (VPR) methods rely solely on…

Computer Vision and Pattern Recognition · Computer Science 2025-03-10 Tianyi Shang , Zhenyu Li , Pengjie Xu , Jinwei Qiao , Gang Chen , Zihan Ruan , Weijun Hu

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

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

Visual environments are inherently hierarchical, as a panoramic view naturally encompasses and organizes multiple perspective views within its field. Capturing this hierarchy is crucial for effective perspective-to-equirectangular (P2E)…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Suhan Woo , Seongwon Lee , Jinwoo Jang , Euntai Kim

Visual Place Recognition (VPR) aims to estimate the location of the given query image within a database of geo-tagged images. To identify the exact location in an image, detecting landmarks is crucial. However, in some scenarios, such as…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Dongyue Li , Daisuke Deguchi , Hiroshi Murase

Visual place recognition (VPR) is a robot's ability to determine whether a place was visited before using visual data. While conventional hand-crafted methods for VPR fail under extreme environmental appearance changes, those based on…

Computer Vision and Pattern Recognition · Computer Science 2022-03-07 Bruno Ferrarini , Michael Milford , Klaus D. McDonald-Maier , Shoaib Ehsan

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 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

Combining multiple complementary techniques together has long been regarded as a way to improve performance. In visual localization, multi-sensor fusion, multi-process fusion of a single sensing modality, and even combinations of different…

Computer Vision and Pattern Recognition · Computer Science 2020-02-11 Stephen Hausler , Michael Milford

Place recognition is a challenging task in computer vision, crucial for enabling autonomous vehicles and robots to navigate previously visited environments. While significant progress has been made in learnable multimodal methods that…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Alexander Melekhin , Dmitry Yudin , Ilia Petryashin , Vitaly Bezuglyj

Visual Place Recognition (VPR) requires robust retrieval of geotagged images despite large appearance, viewpoint, and environmental variation. Prior methods focus on descriptor fine-tuning or fixed sampling strategies yet neglect the…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Shunpeng Chen , Changwei Wang , Rongtao Xu , Xingtian Pei , Yukun Song , Jinzhou Lin , Wenhao Xu , Jingyi Zhang , Li Guo , Shibiao Xu

Localizing an image wrt. a 3D scene model represents a core task for many computer vision applications. An increasing number of real-world applications of visual localization on mobile devices, e.g., Augmented Reality or autonomous robots…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Federico Camposeco , Andrea Cohen , Marc Pollefeys , Torsten Sattler

A key challenge in translating Visual Place Recognition (VPR) from the lab to long-term deployment is ensuring a priori that a system can meet user-specified performance requirements across different parts of an environment, rather than…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Somayeh Hussaini , Tobias Fischer , Michael Milford

A recent approach to the Visual Place Recognition (VPR) problem has been to fuse the place recognition estimates of multiple complementary VPR techniques simultaneously. However, selecting the optimal set of techniques to use in a specific…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Stephen Hausler , Tobias Fischer , Michael Milford

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

Cross-modal place recognition methods are flexible GPS-alternatives under varying environment conditions and sensor setups. However, this task is non-trivial since extracting consistent and robust global descriptors from different…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Yun-Jin Li , Mariia Gladkova , Yan Xia , Rui Wang , Daniel Cremers