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Related papers: LidarGait: Benchmarking 3D Gait Recognition with P…

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Several pathologies can alter the way people walk, i.e. their gait. Gait analysis can therefore be used to detect impairments and help diagnose illnesses and assess patient recovery. Using vision-based systems, diagnoses could be done at…

Computer Vision and Pattern Recognition · Computer Science 2021-10-07 Pedro Albuquerque , Joao Machado , Tanmay Tulsidas Verlekar , Luis Ducla Soares , Paulo Lobato Correia

Camera-based person re-identification (ReID) systems have been widely applied in the field of public security. However, cameras often lack the perception of 3D morphological information of human and are susceptible to various limitations,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Wenxuan Guo , Zhiyu Pan , Yingping Liang , Ziheng Xi , Zhi Chen Zhong , Jianjiang Feng , Jie Zhou

Traffic volume data collection is a crucial aspect of transportation engineering and urban planning, as it provides vital insights into traffic patterns, congestion, and infrastructure efficiency. Traditional manual methods of traffic data…

Computer Vision and Pattern Recognition · Computer Science 2025-04-02 Linlin Zhang , Xiang Yu , Armstrong Aboah , Yaw Adu-Gyamfi

Large vision models (LVM) based gait recognition has achieved impressive performance. However, existing LVM-based approaches may overemphasize gait priors while neglecting the intrinsic value of LVM itself, particularly the rich, distinct…

Computer Vision and Pattern Recognition · Computer Science 2025-06-18 Dingqiang Ye , Chao Fan , Zhanbo Huang , Chengwen Luo , Jianqiang Li , Shiqi Yu , Xiaoming Liu

LiDAR and cameras are complementary sensors for 3D object detection in autonomous driving. However, it is challenging to explore the unnatural interaction between point clouds and images, and the critical factor is how to conduct feature…

Computer Vision and Pattern Recognition · Computer Science 2024-01-11 Ziying Song , Haiyue Wei , Lin Bai , Lei Yang , Caiyan Jia

Scene flow is a powerful tool for capturing the motion field of 3D point clouds. However, it is difficult to directly apply flow-based models to dynamic point cloud classification since the unstructured points make it hard or even…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Jia-Xing Zhong , Kaichen Zhou , Qingyong Hu , Bing Wang , Niki Trigoni , Andrew Markham

We propose LU-Net -- for LiDAR U-Net, a new method for the semantic segmentation of a 3D LiDAR point cloud. Instead of applying some global 3D segmentation method such as PointNet, we propose an end-to-end architecture for LiDAR point cloud…

Computer Vision and Pattern Recognition · Computer Science 2019-09-02 Pierre Biasutti , Vincent Lepetit , Jean-François Aujol , Mathieu Brédif , Aurélie Bugeau

Monocular 3D scene understanding tasks, such as object size estimation, heading angle estimation and 3D localization, is challenging. Successful modern day methods for 3D scene understanding require the use of a 3D sensor. On the other…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Xinshuo Weng , Kris Kitani

Human motion prediction is crucial for human-centric multimedia understanding and interacting. Current methods typically rely on ground truth human poses as observed input, which is not practical for real-world scenarios where only raw…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Xiao Han , Yiming Ren , Yichen Yao , Yujing Sun , Yuexin Ma

Urban modeling from LiDAR point clouds is an important topic in computer vision, computer graphics, photogrammetry and remote sensing. 3D city models have found a wide range of applications in smart cities, autonomous navigation, urban…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Ruisheng Wang , Shangfeng Huang , Hongxin Yang

A robust 3D object tracker which continuously tracks surrounding objects and estimates their trajectories is key for self-driving vehicles. Most existing tracking methods employ a tracking-by-detection strategy, which usually requires…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Jieqi Shi , Peiliang Li , Shaojie Shen

Autonomous vehicles operate in a dynamic environment, where the speed with which a vehicle can perceive and react impacts the safety and efficacy of the system. LiDAR provides a prominent sensory modality that informs many existing…

Computer Vision and Pattern Recognition · Computer Science 2020-05-06 Wei Han , Zhengdong Zhang , Benjamin Caine , Brandon Yang , Christoph Sprunk , Ouais Alsharif , Jiquan Ngiam , Vijay Vasudevan , Jonathon Shlens , Zhifeng Chen

Gait recognition has emerged as a compelling biometric modality for surveillance and security applications, offering inherent advantages such as non-intrusiveness, resistance to disguise, and long-range identification capability. However,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-01 Yabo Luo , Xiaoyun Wang , Cunrong Li

A successful point cloud registration often lies on robust establishment of sparse matches through discriminative 3D local features. Despite the fast evolution of learning-based 3D feature descriptors, little attention has been drawn to the…

Computer Vision and Pattern Recognition · Computer Science 2020-03-09 Xuyang Bai , Zixin Luo , Lei Zhou , Hongbo Fu , Long Quan , Chiew-Lan Tai

An accurate and rapid-response perception system is fundamental for autonomous vehicles to operate safely. 3D object detection methods handle point clouds given by LiDAR sensors to provide accurate depth and position information for each…

Robotics · Computer Science 2020-08-04 Guidong Yang , Simone Mentasti , Mattia Bersani , Yafei Wang , Francesco Braghin , Federico Cheli

3D object detection plays a fundamental role in enabling autonomous driving, which is regarded as the significant key to unlocking the bottleneck of contemporary transportation systems from the perspectives of safety, mobility, and…

Computer Vision and Pattern Recognition · Computer Science 2023-02-08 Zhengwei Bai , Guoyuan Wu , Matthew J. Barth , Yongkang Liu , Emrah Akin Sisbot , Kentaro Oguchi

In this paper, we propose a graph neural network to detect objects from a LiDAR point cloud. Towards this end, we encode the point cloud efficiently in a fixed radius near-neighbors graph. We design a graph neural network, named Point-GNN,…

Computer Vision and Pattern Recognition · Computer Science 2020-03-04 Weijing Shi , Ragunathan , Rajkumar

The human brain can effortlessly recognize and localize objects, whereas current 3D object detection methods based on LiDAR point clouds still report inferior performance for detecting occluded and distant objects: the point cloud…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Liang Du , Xiaoqing Ye , Xiao Tan , Edward Johns , Bo Chen , Errui Ding , Xiangyang Xue , Jianfeng Feng

Lidar based 3D object detection and classification tasks are essential for autonomous driving(AD). A lidar sensor can provide the 3D point cloud data reconstruction of the surrounding environment. However, real time detection in 3D point…

Computer Vision and Pattern Recognition · Computer Science 2020-05-06 Xuanyu Yin , Yoko Sasaki , Weimin Wang , Kentaro Shimizu

Prosthetic legs play a pivotal role in clinical rehabilitation, allowing individuals with lower-limb amputations the ability to regain mobility and improve their quality of life. Gait analysis is fundamental for optimizing prosthesis design…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Xiangyu Yin , Boyuan Yang , Weichen Liu , Qiyao Xue , Abrar Alamri , Goeran Fiedler , Wei Gao