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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

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

This paper describes an optimized single-stage deep convolutional neural network to detect objects in urban environments, using nothing more than point cloud data. This feature enables our method to work regardless the time of the day and…

Computer Vision and Pattern Recognition · Computer Science 2018-05-21 Kazuki Minemura , Hengfui Liau , Abraham Monrroy , Shinpei Kato

Object detection is a significant field in autonomous driving. Popular sensors for this task include cameras and LiDAR sensors. LiDAR sensors offer several advantages, such as insensitivity to light changes, like in a dark setting and the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Itay Krispin-Avraham , Roy Orfaig , Ben-Zion Bobrovsky

Multiview detection uses multiple calibrated cameras with overlapping fields of views to locate occluded pedestrians. In this field, existing methods typically adopt a ``human modeling - aggregation'' strategy. To find robust pedestrian…

Computer Vision and Pattern Recognition · Computer Science 2023-01-09 Jiahao Ma , Zicheng Duan , Liang Zheng , Chuong Nguyen

The task of detecting 3D objects in traffic scenes has a pivotal role in many real-world applications. However, the performance of 3D object detection is lower than that of 2D object detection due to the lack of powerful 3D feature…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Xuesong Li , Jose Guivant , Ngaiming Kwok , Yongzhi Xu , Ruowei Li , Hongkun Wu

Safe autonomous agents and mobile robots need fast real time 3D perception, especially for vulnerable road users (VRUs) such as pedestrians. We introduce a new bird's eye view (BEV) encoding, which maps the full 3D LiDAR point cloud into a…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Mohammad Khoshkdahan , Alexey Vinel

LiDAR-based 3D object detection pushes forward an immense influence on autonomous vehicles. Due to the limitation of the intrinsic properties of LiDAR, fewer points are collected at the objects farther away from the sensor. This imbalanced…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Ziyu Li , Yuncong Yao , Zhibin Quan , Wankou Yang , Jin Xie

Recent machine learning-based multi-object tracking (MOT) frameworks are becoming popular for 3-D point clouds. Most traditional tracking approaches use filters (e.g., Kalman filter or particle filter) to predict object locations in a time…

Computer Vision and Pattern Recognition · Computer Science 2020-02-27 Sukai Wang , Yuxiang Sun , Chengju Liu , Ming Liu

Methods tackling multi-object tracking need to estimate the number of targets in the sensing area as well as to estimate their continuous state. While the majority of existing methods focus on data association, precise state (3D pose)…

Computer Vision and Pattern Recognition · Computer Science 2019-10-11 Johannes Groß , Aljosa Osep , Bastian Leibe

In spite of the recent advancements in multi-object tracking, occlusion poses a significant challenge. Multi-camera setups have been used to address this challenge by providing a comprehensive coverage of the scene. Recent multi-view…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Reef Alturki , Adrian Hilton , Jean-Yves Guillemaut

Pedestrian analysis plays a vital role in intelligent video surveillance and is a key component for security-centric computer vision systems. Despite that the convolutional neural networks are remarkable in learning discriminative features…

Computer Vision and Pattern Recognition · Computer Science 2017-09-29 Xihui Liu , Haiyu Zhao , Maoqing Tian , Lu Sheng , Jing Shao , Shuai Yi , Junjie Yan , Xiaogang Wang

LiDAR sensors are widely used for 3D object detection in various mobile robotics applications. LiDAR sensors continuously generate point cloud data in real-time. Conventional 3D object detectors detect objects using a set of points acquired…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Junhyung Lee , Junho Koh , Youngwoo Lee , Jun Won Choi

Detecting pedestrians and predicting future trajectories for them are critical tasks for numerous applications, such as autonomous driving. Previous methods either treat the detection and prediction as separate tasks or simply add a…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Zhishuai Zhang , Jiyang Gao , Junhua Mao , Yukai Liu , Dragomir Anguelov , Congcong Li

Recent years have witnessed huge successes in 3D object detection to recognize common objects for autonomous driving (e.g., vehicles and pedestrians). However, most methods rely heavily on a large amount of well-labeled training data. This…

Computer Vision and Pattern Recognition · Computer Science 2023-02-09 Jiawei Liu , Xingping Dong , Sanyuan Zhao , Jianbing Shen

Small object detection for 3D point cloud is a challenging problem because of two limitations: (1) Perceiving small objects is much more diffcult than normal objects due to the lack of valid points. (2) Small objects are easily blocked…

Computer Vision and Pattern Recognition · Computer Science 2022-10-27 Zhicong Huang , Jingwen Zhao , Zhijie Zheng , Dihu Chena , Haifeng Hu

Object detection and classification is one of the most important computer vision problems. Ever since the introduction of deep learning \cite{krizhevsky2012imagenet}, we have witnessed a dramatic increase in the accuracy of this object…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Gurjeet Singh , Sun Miao , Shi Shi , Patrick Chiang

We propose a method for joint detection and tracking of multiple objects in 3D point clouds, a task conventionally treated as a two-step process comprising object detection followed by data association. Our method embeds both steps into a…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Jyoti Kini , Ajmal Mian , Mubarak Shah

The deployment of 3D detectors strikes one of the major challenges in real-world self-driving scenarios. Existing BEV-based (i.e., Bird Eye View) detectors favor sparse convolutions (known as SPConv) to speed up training and inference,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-14 Sifan Zhou , Zhi Tian , Xiangxiang Chu , Xinyu Zhang , Bo Zhang , Xiaobo Lu , Chengjian Feng , Zequn Jie , Patrick Yin Chiang , Lin Ma

Object detection from 3D point clouds remains a challenging task, though recent studies pushed the envelope with the deep learning techniques. Owing to the severe spatial occlusion and inherent variance of point density with the distance to…

Computer Vision and Pattern Recognition · Computer Science 2020-06-09 Liang Du , Xiaoqing Ye , Xiao Tan , Jianfeng Feng , Zhenbo Xu , Errui Ding , Shilei Wen