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Robust and accurate localization is critical for autonomous driving. Traditional GNSS-based localization methods suffer from signal occlusion and multipath effects in urban environments. Meanwhile, methods relying on high-definition (HD)…

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

Vehicle pose estimation with LiDAR is essential in the perception technology of autonomous driving. However, due to incomplete observation measurements and sparsity of the LiDAR point cloud, it is challenging to achieve satisfactory pose…

Computer Vision and Pattern Recognition · Computer Science 2024-02-07 Ningning Ding

Reliable localization is crucial for navigation in forests, where GPS is often degraded and LiDAR measurements are repetitive, occluded, and structurally complex. These conditions weaken the assumptions of traditional urban-centric…

Robotics · Computer Science 2026-02-13 Minwoo Jung , Nived Chebrolu , Lucas Carvalho de Lima , Haedam Oh , Maurice Fallon , Ayoung Kim

Place recognition is an important technique for autonomous cars to achieve full autonomy since it can provide an initial guess to online localization algorithms. Although current methods based on images or point clouds have achieved…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Shuhang Zheng , Yixuan Li , Zhu Yu , Beinan Yu , Si-Yuan Cao , Minhang Wang , Jintao Xu , Rui Ai , Weihao Gu , Lun Luo , Hui-Liang Shen

We propose PRISM-Loc - a lightweight and robust approach for localization in large outdoor environments that combines a compact topological representation with a novel scan-matching and curb-detection module operating on raw LiDAR scans.…

Multi-agents rely on accurate poses to share and align observations, enabling a collaborative perception of the environment. However, traditional GNSS-based localization often fails in GNSS-denied environments, making consistent feature…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Wenkai Lin , Qiming Xia , Wen Li , Xun Huang , Chenglu Wen

Cross-modal place recognition methods are flexible GPS-alternatives under varying environment conditions and sensor setups. However, this task is non-trivial since extracting consistent and robust global descriptors from different…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Yun-Jin Li , Mariia Gladkova , Yan Xia , Rui Wang , Daniel Cremers

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 to this problem include hand-crafted point cloud…

Robotics · Computer Science 2021-12-28 Kamil Żywanowski , Adam Banaszczyk , Michał R. Nowicki , Jacek Komorowski

Precise initialization plays a critical role in the performance of localization algorithms, especially in the context of robotics, autonomous driving, and computer vision. Poor localization accuracy is often a consequence of inaccurate…

Robotics · Computer Science 2025-05-15 Srinivas Ravuri , Yuan Xu , Martin Ludwig Zehetner , Ketan Motlag , Sahin Albayrak

Relative pose estimation is crucial for various computer vision applications, including Robotic and Autonomous Driving. Current methods primarily depend on selecting and matching feature points prone to incorrect matches, leading to poor…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Zherong Zhang , Chunyu Lin , Shujuan Huang , Shangrong Yang , Yao Zhao

Understanding 3D scenes semantically and spatially is crucial for the safe navigation of robots and autonomous vehicles, aiding obstacle avoidance and accurate trajectory planning. Camera-based 3D semantic occupancy prediction, which infers…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Junsu Kim , Junhee Lee , Ukcheol Shin , Jean Oh , Kyungdon Joo

We present a method for localizing a single camera with respect to a point cloud map in indoor and outdoor scenes. The problem is challenging because correspondences of local invariant features are inconsistent across the domains between…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Peng Yin , Lingyun Xu , Ji Zhang , Howie Choset , Sebastian Scherer

This paper proposes a novel method for geo-tracking, i.e. continuous metric self-localization in outdoor environments by registering a vehicle's sensor information with aerial imagery of an unseen target region. Geo-tracking methods offer…

Computer Vision and Pattern Recognition · Computer Science 2022-09-12 Florian Fervers , Sebastian Bullinger , Christoph Bodensteiner , Michael Arens , Rainer Stiefelhagen

The reliability of driving perception systems under unprecedented conditions is crucial for practical usage. Latest advancements have prompted increasing interest in multi-LiDAR perception. However, prevailing driving datasets predominantly…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Ye Li , Lingdong Kong , Hanjiang Hu , Xiaohao Xu , Xiaonan Huang

Self-supervised monocular depth estimation has garnered considerable attention for its applications in autonomous driving and robotics. While recent methods have made strides in leveraging techniques like the Self Query Layer (SQL) to infer…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Mykola Lavreniuk

Visual localization is the task of estimating a 6-DoF camera pose of a query image within a provided 3D reference map. Thanks to recent advances in various 3D sensors, 3D point clouds are becoming a more accurate and affordable option for…

Computer Vision and Pattern Recognition · Computer Science 2023-09-15 Minjung Kim , Junseo Koo , Gunhee Kim

Tracking the 6DoF pose of unknown objects in monocular RGB video sequences is crucial for robotic manipulation. However, existing approaches typically rely on accurate depth information, which is non-trivial to obtain in real-world…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Zhiyuan Chen , Fan Lu , Guo Yu , Bin Li , Sanqing Qu , Yuan Huang , Changhong Fu , Guang Chen

LiDAR-based Place Recognition (LPR) remains a critical task in Embodied Artificial Intelligence (AI) and Autonomous Driving, primarily addressing localization challenges in GPS-denied environments and supporting loop closure detection.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Jintao Cheng , Jiehao Luo , Xieyuanli Chen , Jin Wu , Rui Fan , Xiaoyu Tang , Wei Zhang

Despite the advancements in deep learning for camera relocalization tasks, obtaining ground truth pose labels required for the training process remains a costly endeavor. While current weakly supervised methods excel in lightweight label…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Jialu Wang , Kaichen Zhou , Andrew Markham , Niki Trigoni

This paper presents a set of novel scan-matching techniques for vehicle pose estimation using automotive radar measurements. The proposed approach modifies the Normal Distributions Transform (NDT) -- a state-of-the-art scan-matching SLAM…

Signal Processing · Electrical Eng. & Systems 2021-07-21 Martijn Heller , Nikita Petrov , Alexander Yarovoy