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3D pedestrian detection is a challenging task in automated driving because pedestrians are relatively small, frequently occluded and easily confused with narrow vertical objects. LiDAR and camera are two commonly used sensor modalities for…

Robotics · Computer Science 2021-03-30 Juncong Fei , Wenbo Chen , Philipp Heidenreich , Sascha Wirges , Christoph Stiller

Object detection is a core component of perception systems, providing the ego vehicle with information about its surroundings to ensure safe route planning. While cameras and Lidar have significantly advanced perception systems, their…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Farzeen Munir , Shoaib Azam , Tomasz Kucner , Ville Kyrki , Moongu Jeon

Point cloud segmentation is a fundamental task in 3D scene understanding. Its progress is constrained by the high cost and time required for dense 3D annotations, making labeled samples difficult to obtain. Beyond annotation scarcity,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Thenukan Pathmanathan , Kanchan Keisham , Thangarajah Akilan

Object pose estimation of transparent objects remains a challenging task in the field of robot vision due to the immense influence of lighting, background, and reflections. However, the edges of clear objects have the highest contrast,…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Tessa Pulli , Peter Hönig , Stefan Thalhammer , Matthias Hirschmanner , Markus Vincze

LiDAR-based 3D object detection is an important task for autonomous driving and current approaches suffer from sparse and partial point clouds of distant and occluded objects. In this paper, we propose a novel two-stage approach, namely…

Computer Vision and Pattern Recognition · Computer Science 2020-12-23 Yanan Zhang , Di Huang , Yunhong Wang

Detecting objects from LiDAR point clouds is of tremendous significance in autonomous driving. In spite of good progress, accurate and reliable 3D detection is yet to be achieved due to the sparsity and irregularity of LiDAR point clouds.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Shengheng Deng , Zhihao Liang , Lin Sun , Kui Jia

Although multiview fusion has demonstrated potential in LiDAR segmentation, its dependence on computationally intensive point-based interactions, arising from the lack of fixed correspondences between views such as range view and Bird's-Eye…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Shoumeng Qiu , Xinrun Li , XiangYang Xue , Jian Pu

Recent camera-based 3D object detection methods have introduced sequential frames to improve the detection performance hoping that multiple frames would mitigate the large depth estimation error. Despite improved detection performance,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Sanmin Kim , Youngseok Kim , In-Jae Lee , Dongsuk Kum

Deformable parts models show a great potential in tracking by principally addressing non-rigid object deformations and self occlusions, but according to recent benchmarks, they often lag behind the holistic approaches. The reason is that…

Computer Vision and Pattern Recognition · Computer Science 2016-05-13 Alan Lukežič , Luka Čehovin , Matej Kristan

The field of 3D object detection from point clouds is rapidly advancing in computer vision, aiming to accurately and efficiently detect and localize objects in three-dimensional space. Current 3D detectors commonly fall short in terms of…

Computer Vision and Pattern Recognition · Computer Science 2024-06-13 Hualian Sheng , Sijia Cai , Na Zhao , Bing Deng , Qiao Liang , Min-Jian Zhao , Jieping Ye

LiDAR relocalization has attracted increasing attention as it can deliver accurate 6-DoF pose estimation in complex 3D environments. Recent learning-based regression methods offer efficient solutions by directly predicting global poses…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Jianshi Wu , Minghang Zhu , Dunqiang Liu , Wen Li , Sheng Ao , Siqi Shen , Chenglu Wen , Cheng Wang

Perception in 3D has become standard practice for a large part of robotics applications. High quality 3D perception is costly. Our previous work on a nodding 2D Lidar provides high quality 3D depth information with low cost, but the sparse…

Computer Vision and Pattern Recognition · Computer Science 2020-01-01 Anindya Harchowdhury , Lindsay Kleeman , Leena Vachhani

Multimodal 3D object detectors leverage the strengths of both geometry-aware LiDAR point clouds and semantically rich RGB images to enhance detection performance. However, the inherent heterogeneity between these modalities, including…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Zhuoqun Su , Huimin Lu , Shuaifeng Jiao , Junhao Xiao , Yaonan Wang , Xieyuanli Chen

The dominant multi-camera 3D detection paradigm is based on explicit 3D feature construction, which requires complicated indexing of local image-view features via 3D-to-2D projection. Other methods implicitly introduce geometric positional…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Shihao Wang , Xiaohui Jiang , Ying Li

Panoptic segmentation presents a new challenge in exploiting the merits of both detection and segmentation, with the aim of unifying instance segmentation and semantic segmentation in a single framework. However, an efficient solution for…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Zixiang Zhou , Yang Zhang , Hassan Foroosh

Object detection applied to LiDAR point clouds is a relevant task in robotics, and particularly in autonomous driving. Single frame methods, predominant in the field, exploit information from individual sensor scans. Recent approaches…

Computer Vision and Pattern Recognition · Computer Science 2024-01-01 Ernesto Lozano Calvo , Bernardo Taveira , Fredrik Kahl , Niklas Gustafsson , Jonathan Larsson , Adam Tonderski

While recent years have witnessed remarkable progress in the feature representation of visual tracking, the problem of feature misalignment between the classification and regression tasks is largely overlooked. The approaches of feature…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Ziang Ma , Haitao Zhang , Linyuan Wang , Jun Yin

There is a trend to fuse multi-modal information for 3D object detection (3OD). However, the challenging problems of low lightweightness, poor flexibility of plug-and-play, and inaccurate alignment of features are still not well-solved,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-04 Lipeng Gu , Xuefeng Yan , Peng Cui , Lina Gong , Haoran Xie , Fu Lee Wang , Jin Qin , Mingqiang Wei

The progress of LiDAR-based 3D object detection has significantly enhanced developments in autonomous driving and robotics. However, due to the limitations of LiDAR sensors, object shapes suffer from deterioration in occluded and distant…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 You Shen , Yunzhou Zhang , Yanmin Wu , Zhenyu Wang , Linghao Yang , Sonya Coleman , Dermot Kerr

Autonomous vehicles are conceived to provide safe and secure services by validating the safety standards as indicated by SOTIF-ISO/PAS-21448 (Safety of the intended functionality). Keeping in this context, the perception of the environment…

Computer Vision and Pattern Recognition · Computer Science 2021-12-01 Shoaib Azam , Farzeen Munir , Moongu Jeon
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