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Point cloud is an important type of geometric data structure. Due to its irregular format, most researchers transform such data to regular 3D voxel grids or collections of images. This, however, renders data unnecessarily voluminous and…

Computer Vision and Pattern Recognition · Computer Science 2017-04-12 Charles R. Qi , Hao Su , Kaichun Mo , Leonidas J. Guibas

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

Two-stage detectors have gained much popularity in 3D object detection. Most two-stage 3D detectors utilize grid points, voxel grids, or sampled keypoints for RoI feature extraction in the second stage. Such methods, however, are…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Honghui Yang , Zili Liu , Xiaopei Wu , Wenxiao Wang , Wei Qian , Xiaofei He , Deng Cai

In recent times, the scope of LIDAR (Light Detection and Ranging) sensor-based technology has spread across numerous fields. It is popularly used to map terrain and navigation information into reliable 3D point cloud data, potentially…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Aakash Kumar , Jyoti Kini , Mubarak Shah , Ajmal Mian

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

Using 3D point clouds in odometry estimation in robotics often requires finding a set of correspondences between points in subsequent scans. While there are established methods for point clouds of sufficient quality, state-of-the-art still…

Robotics · Computer Science 2025-06-24 Jan Michalczyk , Stephan Weiss , Jan Steinbrener

In this paper, we propose a novel variable rate deep compression architecture that operates on raw 3D point cloud data. The majority of learning-based point cloud compression methods work on a downsampled representation of the data.…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Md Ahmed Al Muzaddid , William J. Beksi

Object detection in point cloud data is one of the key components in computer vision systems, especially for autonomous driving applications. In this work, we present Voxel-FPN, a novel one-stage 3D object detector that utilizes raw data…

Computer Vision and Pattern Recognition · Computer Science 2019-07-17 Bei Wang , Jianping An , Jiayan Cao

Lidar-based sensing drives current autonomous vehicles. Despite rapid progress, current Lidar sensors still lag two decades behind traditional color cameras in terms of resolution and cost. For autonomous driving, this means that large…

Computer Vision and Pattern Recognition · Computer Science 2021-11-15 Tianwei Yin , Xingyi Zhou , Philipp Krähenbühl

Point clouds are the native output of many real-world 3D sensors. To borrow the success of 2D convolutional network architectures, a majority of popular 3D perception models voxelize the points, which can result in a loss of local geometric…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 Yuwen Xiong , Mengye Ren , Renjie Liao , Kelvin Wong , Raquel Urtasun

Lidar has become an essential sensor for autonomous driving as it provides reliable depth estimation. Lidar is also the primary sensor used in building 3D maps which can be used even in the case of low-cost systems which do not use Lidar.…

Computer Vision and Pattern Recognition · Computer Science 2019-07-08 B Ravi Kiran , Luis Roldão , Benat Irastorza , Renzo Verastegui , Sebastian Suss , Senthil Yogamani , Victor Talpaert , Alexandre Lepoutre , Guillaume Trehard

We present a review of 3D point cloud processing and learning for autonomous driving. As one of the most important sensors in autonomous vehicles, light detection and ranging (LiDAR) sensors collect 3D point clouds that precisely record the…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Siheng Chen , Baoan Liu , Chen Feng , Carlos Vallespi-Gonzalez , Carl Wellington

LiDARs are usually more accurate than cameras in distance measuring. Hence, there is strong interest to apply LiDARs in autonomous driving. Different existing approaches process the rich 3D point clouds for object detection, tracking and…

Robotics · Computer Science 2020-10-15 You Li , Clément Le Bihan , Txomin Pourtau , Thomas Ristorcelli

This paper presents a very simple but efficient algorithm for 3D line segment detection from large scale unorganized point cloud. Unlike traditional methods which usually extract 3D edge points first and then link them to fit for 3D line…

Computer Vision and Pattern Recognition · Computer Science 2019-01-10 Xiaohu Lu , Yahui Liu , Kai Li

In this work, we address the problem of 3D object detection from point cloud data in real time. For autonomous vehicles to work, it is very important for the perception component to detect the real world objects with both high accuracy and…

Computer Vision and Pattern Recognition · Computer Science 2021-08-12 Abhinav Sagar

In recent years, much progress has been made in LiDAR-based 3D object detection mainly due to advances in detector architecture designs and availability of large-scale LiDAR datasets. Existing 3D object detectors tend to perform well on the…

Computer Vision and Pattern Recognition · Computer Science 2023-06-12 Eduardo R. Corral-Soto , Alaap Grandhi , Yannis Y. He , Mrigank Rochan , Bingbing Liu

Road curb detection is very important and necessary for autonomous driving because it can improve the safety and robustness of robot navigation in the outdoor environment. In this paper, a novel road curb detection method based on tensor…

Robotics · Computer Science 2019-12-02 Yilong Zhu , Dong Han , Bohuan Xue , Jianhao Jiao , Zuhao Zou , Ming Liu , Rui Fan

3D object detection based on LiDAR point clouds is a crucial module in autonomous driving particularly for long range sensing. Most of the research is focused on achieving higher accuracy and these models are not optimized for deployment on…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Sambit Mohapatra , Senthil Yogamani , Heinrich Gotzig , Stefan Milz , Patrick Mader

Point cloud is a collection of 3D coordinates that are discrete geometric samples of an object's 2D surfaces. Using a low-cost 3D scanner to acquire data means that point clouds are often in lower resolution than desired for rendering on…

Signal Processing · Electrical Eng. & Systems 2019-08-20 Chinthaka Dinesh , Gene Cheung , Ivan V. Bajic

Recently, there have been a plethora of classification and detection systems from RGB as well as 3D images. In this work, we describe a new 3D object detection system from an RGB-D or depth-only point cloud. Our system first detects objects…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Xiaoke Shen , Ioannis Stamos
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