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Visual place recognition (VPR) enables autonomous robots to identify previously visited locations, which contributes to tasks like simultaneous localization and mapping (SLAM). VPR faces challenges such as accurate image neighbor retrieval…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Taiyi Pan , Junyang He , Chao Chen , Yiming Li , Chen Feng

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

Visual place recognition (VPR) is an essential component of robot navigation and localization systems that allows them to identify a place using only image data. VPR is challenging due to the significant changes in a place's appearance…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Bruno Arcanjo , Bruno Ferrarini , Michael Milford , Klaus D. McDonald-Maier , Shoaib Ehsan

Global localization is an important and widely studied problem for many robotic applications. Place recognition approaches can be exploited to solve this task, e.g., in the autonomous driving field. While most vision-based approaches match…

Computer Vision and Pattern Recognition · Computer Science 2020-03-11 Daniele Cattaneo , Matteo Vaghi , Simone Fontana , Augusto Luis Ballardini , Domenico Giorgio Sorrenti

Underwater robot interventions require a high level of safety and reliability. A major challenge to address is a robust and accurate acquisition of localization estimates, as it is a prerequisite to enable more complex tasks, e.g. floating…

Robotics · Computer Science 2019-06-13 Arturo Gomez Chavez , Qingwen Xu , Christian A. Mueller , Sören Schwertfeger , Andreas Birk

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

In the realm of robotics, the quest for achieving real-world autonomy, capable of executing large-scale and long-term operations, has positioned place recognition (PR) as a cornerstone technology. Despite the PR community's remarkable…

Robotics · Computer Science 2025-03-11 Peng Yin , Jianhao Jiao , Shiqi Zhao , Lingyun Xu , Guoquan Huang , Howie Choset , Sebastian Scherer , Jianda Han

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

Geo-localization from a single image at planet scale (essentially an advanced or extreme version of the kidnapped robot problem) is a fundamental and challenging task in applications such as navigation, autonomous driving and disaster…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Sania Waheed , Na Min An , Michael Milford , Sarvapali D. Ramchurn , Shoaib Ehsan

Visual Place Recognition (VPR) is a core component in computer vision, typically formulated as an image retrieval task for localization, mapping, and navigation. In this work, we instead study VPR as an image pair retrieval front-end for…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Dennis Haitz , Athradi Shritish Shetty , Michael Weinmann , Markus Ulrich

Event-based cameras offer much potential to the fields of robotics and computer vision, in part due to their large dynamic range and extremely high "frame rates". These attributes make them, at least in theory, particularly suitable for…

In autonomous driving, place recognition is critical for global localization in GPS-denied environments. LiDAR and radar-based place recognition methods have garnered increasing attention, as LiDAR provides precise ranging, whereas radar…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Zhangshuo Qi , Luqi Cheng , Zijie Zhou , Guangming Xiong

Visual Place Recognition (VPR) often fails under extreme environmental changes and perceptual aliasing. Furthermore, standard systems cannot perform "blind" localization from verbal descriptions alone, a capability needed for applications…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Ofer Idan , Dan Badur , Yosi Keller , Yoli Shavit

According to the World Health Organization, visual impairment is estimated to affect approximately 2.2 billion people worldwide. The visually impaired must currently rely on navigational aids to replace their sense of sight, like a white…

Human-Computer Interaction · Computer Science 2022-06-23 Stanley Shen

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

Can knowing where you are assist in perceiving objects in your surroundings, especially under adverse weather and lighting conditions? In this work we investigate whether a prior map can be leveraged to aid in the detection of dynamic…

Computer Vision and Pattern Recognition · Computer Science 2023-07-03 Stephen Hausler , Sourav Garg , Punarjay Chakravarty , Shubham Shrivastava , Ankit Vora , Michael Milford

This paper introduces a novel unsupervised neural network model for visual information encoding which aims to address the problem of large-scale visual localization. Inspired by the structure of the visual cortex, the model (namely HSD)…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Sylvain Colomer , Nicolas Cuperlier , Guillaume Bresson , Olivier Romain

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) 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

Finding obstacle-free paths in unknown environments is a big navigation issue for visually impaired people and autonomous robots. Previous works focus on obstacle avoidance, however they do not have a general view of the environment they…