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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

In visual place recognition (VPR), filtering and sequence-based matching approaches can improve performance by integrating temporal information across image sequences, especially in challenging conditions. While these methods are commonly…

Computer Vision and Pattern Recognition · Computer Science 2025-07-30 Somayeh Hussaini , Tobias Fischer , Michael Milford

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

In vision-based robot localization and SLAM, Visual Place Recognition (VPR) is essential. This paper addresses the problem of VPR, which involves accurately recognizing the location corresponding to a given query image. A popular approach…

Robotics · Computer Science 2024-10-28 Soojin Woo , Seong-Woo Kim

Sequential Visual Place Recognition (Seq-VPR) leverages transformers to capture spatio-temporal features effectively. In practice, a transformer-based Seq-VPR model should be flexible to the number of frames per sequence (seq- length),…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Yu Kiu , Lau , Chao Chen , Ge Jin , Chen Feng

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 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

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

Visual Place Recognition (VPR) in dynamic and perceptually aliased environments remains a fundamental challenge for long-term localization. Existing deep learning-based solutions predominantly focus on single-frame embeddings, neglecting…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Zhenyu Li , Tianyi Shang , Pengjie Xu , Ruirui Zhang , Fanchen Kong

Mobile robots and autonomous vehicles are often required to function in environments where critical position estimates from sensors such as GPS become uncertain or unreliable. Single image visual place recognition (VPR) provides an…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Connor Malone , Ankit Vora , Thierry Peynot , Michael Milford

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

In robotics, Visual Place Recognition is a continuous process that receives as input a video stream to produce a hypothesis of the robot's current position within a map of known places. This task requires robust, scalable, and efficient…

Computer Vision and Pattern Recognition · Computer Science 2022-07-11 Riccardo Mereu , Gabriele Trivigno , Gabriele Berton , Carlo Masone , Barbara Caputo

Place recognition and loop closure detection are challenging for long-term visual navigation tasks. SeqSLAM is considered to be one of the most successful approaches to achieving long-term localization under varying environmental conditions…

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

Discovery and learning of an underlying spatiotemporal hierarchy in sequential data is an important topic for machine learning. Despite this, little work has been done to explore hierarchical generative models that can flexibly adapt their…

Machine Learning · Computer Science 2022-03-29 Alexey Zakharov , Qinghai Guo , Zafeirios Fountas

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) enables robust localization through image retrieval based on learned descriptors. However, drastic appearance variations of images at the same place caused by viewpoint changes can lead to inconsistent…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Qiwen Gu , Xufei Wang , Junqiao Zhao , Siyue Tao , Tiantian Feng , Ziqiao Wang , Guang Chen

This paper presents a novel spatiotemporal transformer network that introduces several original components to detect actions in untrimmed videos. First, the multi-feature selective semantic attention model calculates the correlations…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Matthew Korban , Peter Youngs , Scott T. Acton

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 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
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