English
Related papers

Related papers: Improving Road Segmentation in Challenging Domains…

200 papers

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

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

Robust visual place recognition (VPR) requires scene representations that are invariant to various environmental challenges such as seasonal changes and variations due to ambient lighting conditions during day and night. Moreover, a…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Unnat Jain , Vinay P. Namboodiri , Gaurav Pandey

Visual Place Recognition (VPR) enables robots and autonomous vehicles to identify previously visited locations by matching current observations against a database of known places. However, VPR systems face significant challenges when…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Emily Miller , Michael Milford , Muhammad Burhan Hafez , SD Ramchurn , Shoaib Ehsan

Visual place recognition (VPR) is the problem of recognising a previously visited location using visual information. Many attempts to improve the performance of VPR methods have been made in the literature. One approach that has received…

Computer Vision and Pattern Recognition · Computer Science 2021-02-18 Maria Waheed , Michael Milford , Klaus D. McDonald-Maier , Shoaib Ehsan

Detecting road obstacles is essential for autonomous vehicles to navigate dynamic and complex traffic environments safely. Current road obstacle detection methods typically assign a score to each pixel and apply a threshold to generate…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Youssef Shoeb , Nazir Nayal , Azarm Nowzad , Fatma Güney , Hanno Gottschalk

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

Image-to-point cloud cross-modal Visual Place Recognition (VPR) is a challenging task where the query is an RGB image, and the database samples are LiDAR point clouds. Compared to single-modal VPR, this approach benefits from the widespread…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Jianyi Peng , Fan Lu , Bin Li , Yuan Huang , Sanqing Qu , Guang Chen

Visual place recognition (VPR) aiming at predicting the location of an image based solely on its visual features is a fundamental task in robotics and autonomous systems. Domain variation remains one of the main challenges in VPR and is…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Shanshan Wan , Lai Kang , Yingmei Wei , Tianrui Shen , Haixuan Wang , Chao Zuo

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) in mobile robotics enables robots to localize themselves by recognizing previously visited locations using visual data. While the reliability of VPR methods has been extensively studied under conditions such…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Timur Ismagilov , Bruno Ferrarini , Michael Milford , Tan Viet Tuyen Nguyen , SD Ramchurn , Shoaib Ehsan

Visual place recognition (VPR) is crucial for robots to identify previously visited locations, playing an important role in autonomous navigation in both indoor and outdoor environments. However, most existing VPR datasets are limited to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-28 Yehui Shen , Lei Zhang , Qingqiu Li , Xiongwei Zhao , Yue Wang , Huimin Lu , Xieyuanli Chen

While substantial progress has been made in the absolute performance of localization and Visual Place Recognition (VPR) techniques, it is becoming increasingly clear from translating these systems into applications that other capabilities…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Helen Carson , Jason J. Ford , Michael Milford

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) 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

Autonomous vehicles and driving systems use scene parsing as an essential tool to understand the surrounding environment. Panoptic segmentation is a state-of-the-art technique which proves to be pivotal in this use case. Deep learning-based…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Ankur Chrungoo

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

Traditional visual place recognition (VPR) methods generally use frame-based cameras, which is easy to fail due to dramatic illumination changes or fast motions. In this paper, we propose an end-to-end visual place recognition network for…

Computer Vision and Pattern Recognition · Computer Science 2020-11-09 Delei Kong , Zheng Fang , Haojia Li , Kuanxu Hou , Sonya Coleman , Dermot Kerr

Visual Place Recognition (VPR) is the ability of a robotic platform to correctly interpret visual stimuli from its on-board cameras in order to determine whether it is currently located in a previously visited place, despite different…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Mihnea-Alexandru Tomita , Bruno Ferrarini , Michael Milford , Klaus 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