OREOS: Oriented recognition of 3D point clouds in outdoor scenarios

L Schaupp, M Bürki, R Dubé… - 2019 IEEE/RSJ …, 2019 - ieeexplore.ieee.org
We introduce a novel method for oriented place recognition with 3D LiDAR scans. A
Convolutional Neural Network is trained to extract compact descriptors from single 3D …

Minkloc3d-si: 3d lidar place recognition with sparse convolutions, spherical coordinates, and intensity

K Żywanowski, A Banaszczyk… - IEEE Robotics and …, 2021 - ieeexplore.ieee.org
The 3D LiDAR place recognition aims to estimate a coarse localization in a previously seen
environment based on a single scan from a rotating 3D LiDAR sensor. The existing solutions …

RINet: Efficient 3D lidar-based place recognition using rotation invariant neural network

L Li, X Kong, X Zhao, T Huang, W Li… - IEEE Robotics and …, 2022 - ieeexplore.ieee.org
LiDAR-based place recognition (LPR) is one of the basic capabilities of robots, which can
retrieve scenes from maps and identify previously visited locations based on 3D point …

Locus: Lidar-based place recognition using spatiotemporal higher-order pooling

K Vidanapathirana, P Moghadam… - … on Robotics and …, 2021 - ieeexplore.ieee.org
Place Recognition enables the estimation of a globally consistent map and trajectory by
providing non-local constraints in Simultaneous Localisation and Mapping (SLAM). This …

Robust place recognition using an imaging lidar

T Shan, B Englot, F Duarte, C Ratti… - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
We propose a methodology for robust, real-time place recognition using an imaging lidar,
which yields image-quality high-resolution 3D point clouds. Utilizing the intensity readings of …

Std: Stable triangle descriptor for 3d place recognition

C Yuan, J Lin, Z Zou, X Hong… - 2023 IEEE international …, 2023 - ieeexplore.ieee.org
In this work, we present a novel global descriptor termed stable triangle descriptor (STD) for
3D place recognition. For a triangle, its shape is uniquely determined by the length of the …

Scan context: Egocentric spatial descriptor for place recognition within 3d point cloud map

G Kim, A Kim - 2018 IEEE/RSJ International Conference on …, 2018 - ieeexplore.ieee.org
Compared to diverse feature detectors and descriptors used for visual scenes, describing a
place using structural information is relatively less reported. Recent advances in …

Ndt-transformer: Large-scale 3d point cloud localisation using the normal distribution transform representation

Z Zhou, C Zhao, D Adolfsson, S Su… - … on Robotics and …, 2021 - ieeexplore.ieee.org
3D point cloud-based place recognition is highly demanded by autonomous driving in GPS-
challenged environments and serves as an essential component (ie loop-closure detection) …

BTC: A Binary and Triangle Combined Descriptor for 3D Place Recognition

C Yuan, J Lin, Z Liu, H Wei, X Hong… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Accurate and robust place recognition is essential for robot navigation, yet achieving full
pose invariance and high performance across diverse scenes remains challenging. In this …

Logg3d-net: Locally guided global descriptor learning for 3d place recognition

K Vidanapathirana, M Ramezani… - … on Robotics and …, 2022 - ieeexplore.ieee.org
Retrieval-based place recognition is an efficient and effective solution for re-localization
within a pre-built map, or global data association for Simultaneous Localization and …