A visual place recognition approach using learnable feature map filtering and graph attention networks
Sign Up to like & getrecommendations! Published in 2021 at "Neurocomputing"
DOI: 10.1016/j.neucom.2021.06.038
Abstract: Abstract Visual place recognition (VPR) in environments subject to extreme appearance variation due to changing weather, illumination or seasons is a challenging task. Recent works have shown that features learned from CNNs can achieve promising… read more here.
Keywords: learnable feature; place recognition; feature; feature map ... See more keywords
Robust ConvNet Landmark-Based Visual Place Recognition by Optimizing Landmark Matching
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Access"
DOI: 10.1109/access.2019.2901984
Abstract: Visual place recognition (VPR) is a fundamental but challenging problem that has not been solved completely for a long time, especially in a kaleidoscopic environment. Recent advanced works which exploit ConvNet landmarks as a representation… read more here.
Keywords: convnet; place recognition; convnet landmark; landmark based ... See more keywords
CoCALC: A Self-Supervised Visual Place Recognition Approach Combining Appearance and Geometric Information
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3246803
Abstract: Visual place recognition (VPR) is considered among the most complicated tasks in SLAM due to the multiple challenges of drastic variations in both appearance and viewpoint. To address this issue, this article presents a self-supervised… read more here.
Keywords: appearance geometric; geometric information; self supervised; visual place ... See more keywords
HBST: A Hamming Distance Embedding Binary Search Tree for Feature-Based Visual Place Recognition
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Robotics and Automation Letters"
DOI: 10.1109/lra.2018.2856542
Abstract: Reliable and efficient visual place recognition is a major building block of modern SLAM systems. Leveraging on our prior work, in this letter, we present a Hamming distance embedding binary search tree (HBST) approach for… read more here.
Keywords: place recognition; search; visual place; embedding binary ... See more keywords
Unsupervised Selection of Optimal Operating Parameters for Visual Place Recognition Algorithms Using Gaussian Mixture Models
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Robotics and Automation Letters"
DOI: 10.1109/lra.2020.3043171
Abstract: Visual place recognition (VPR) algorithms are a key part of many autonomous systems, but typically consist of many parameters which require non-trivial optimization for a given deployment environment. Being able to automatically select the optimal… read more here.
Keywords: optimal operating; operating; place recognition; visual place ... See more keywords
Forest: A Lightweight Semantic Image Descriptor for Robust Visual Place Recognition
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Robotics and Automation Letters"
DOI: 10.1109/lra.2022.3219030
Abstract: Visual place recognition (VPR) is the process of identifying previously visited places using visual information. It is crucial for a robot to achieve fast and accurate VPR under appearance and viewpoint changes. Inspired by human… read more here.
Keywords: semantic image; lightweight semantic; descriptor; visual place ... See more keywords
Variational Bayesian Approach to Condition-Invariant Feature Extraction for Visual Place Recognition
Sign Up to like & getrecommendations! Published in 2021 at "Applied Sciences"
DOI: 10.3390/app11198976
Abstract: As mobile robots perform long-term operations in large-scale environments, coping with perceptual changes becomes an important issue recently. This paper introduces a stochastic variational inference and learning architecture that can extract condition-invariant features for visual… read more here.
Keywords: visual place; condition; place recognition; condition invariant ... See more keywords