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LiDAR point clouds are widely used in autonomous driving and consist of large numbers of 3D points captured at high frequency to represent surrounding objects such as vehicles, pedestrians, and traffic signs. While this dense data enables…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Z. Rozsa , Á. Madaras , Q. Wei , X. Lu , M. Golarits , H. Yuan , T. Sziranyi , R. Hamzaoui

Unified segmentation of 3D point clouds is crucial for scene understanding, but is hindered by its sparse structure, limited annotations, and the challenge of distinguishing fine-grained object classes in complex environments. Existing…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Zongyan Han , Mohamed El Amine Boudjoghra , Jiahua Dong , Jinhong Wang , Rao Muhammad Anwer

To operate safely, autonomous vehicles (AVs) need to detect and handle unexpected objects or anomalies on the road. While significant research exists for anomaly detection and segmentation in 2D, research progress in 3D is underexplored.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Alexey Nekrasov , Malcolm Burdorf , Stewart Worrall , Bastian Leibe , Julie Stephany Berrio Perez

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

Scene understanding based on LiDAR point cloud is an essential task for autonomous cars to drive safely, which often employs spherical projection to map 3D point cloud into multi-channel 2D images for semantic segmentation. Most existing…

Computer Vision and Pattern Recognition · Computer Science 2021-07-19 Aoran Xiao , Xiaofei Yang , Shijian Lu , Dayan Guan , Jiaxing Huang

In the past few years, we have seen great progress in perception algorithms, particular through the use of deep learning. However, most existing approaches focus on a few categories of interest, which represent only a small fraction of the…

Computer Vision and Pattern Recognition · Computer Science 2019-10-25 Kelvin Wong , Shenlong Wang , Mengye Ren , Ming Liang , Raquel Urtasun

Accuracy evaluation of a 3D pointcloud map is crucial for the development of autonomous driving systems. In this work, we propose a user-independent software/hardware system that can quantitatively evaluate the accuracy of a 3D pointcloud…

Robotics · Computer Science 2024-08-20 Sanghyun Hahn , Seunghun Oh , Minwoo Jung , Ayoung Kim , Sangwoo Jung

Comprehensive scene understanding is a critical enabler of robot autonomy. Semantic segmentation is one of the key scene understanding tasks which is pivotal for several robotics applications including autonomous driving, domestic service…

Robotics · Computer Science 2024-01-17 Juana Valeria Hurtado , Abhinav Valada

LiDAR scanning for surveying applications acquire measurements over wide areas and long distances, which produces large-scale 3D point clouds with significant local density variations. While existing 3D semantic segmentation models conduct…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Ryan Faulkner , Luke Haub , Simon Ratcliffe , Ian Reid , Tat-Jun Chin

Hazard detection is critical for enabling autonomous landing on planetary surfaces. Current state-of-the-art methods leverage traditional computer vision approaches to automate the identification of safe terrain from input digital elevation…

Robotics · Computer Science 2025-08-27 Kento Tomita , Katherine A. Skinner , Koki Ho

Semantic scene understanding is crucial for robotics and computer vision applications. In autonomous driving, 3D semantic segmentation plays an important role for enabling safe navigation. Despite significant advances in the field, the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Lucas Nunes , Rodrigo Marcuzzi , Jens Behley , Cyrill Stachniss

Poles and building edges are frequently observable objects on urban roads, conveying reliable hints for various computer vision tasks. To repetitively extract them as features and perform association between discrete LiDAR frames for…

Computer Vision and Pattern Recognition · Computer Science 2022-08-04 Xiangrui Zhao , Sheng Yang , Tianxin Huang , Jun Chen , Teng Ma , Mingyang Li , Yong Liu

Given the prominence of current 3D sensors, a fine-grained analysis on the basic point cloud data is worthy of further investigation. Particularly, real point cloud scenes can intuitively capture complex surroundings in the real world, but…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Shi Qiu , Saeed Anwar , Nick Barnes

LiDAR sensor is essential to the perception system in autonomous vehicles and intelligent robots. To fulfill the real-time requirements in real-world applications, it is necessary to efficiently segment the LiDAR scans. Most of previous…

Computer Vision and Pattern Recognition · Computer Science 2022-09-16 Song Wang , Jianke Zhu , Ruixiang Zhang

Environmental perception is an important aspect within the field of autonomous vehicles that provides crucial information about the driving domain, including but not limited to identifying clear driving areas and surrounding obstacles.…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Senay Cakir , Marcel Gauß , Kai Häppeler , Yassine Ounajjar , Fabian Heinle , Reiner Marchthaler

Addressing Lidar Panoptic Segmentation (LPS ) is crucial for safe deployment of autonomous vehicles. LPS aims to recognize and segment lidar points w.r.t. a pre-defined vocabulary of semantic classes, including thing classes of countable…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Anirudh S Chakravarthy , Meghana Reddy Ganesina , Peiyun Hu , Laura Leal-Taixe , Shu Kong , Deva Ramanan , Aljosa Osep

LiDAR sensors provide rich 3D information about their surrounding{s} and are becoming increasingly important for autonomous vehicles tasks such as {localization}, semantic segmentation, object detection, and tracking. {Simulation}…

Robotics · Computer Science 2022-12-27 Jean Pierre Richa , Jean-Emmanuel Deschaud , François Goulette , Nicolas Dalmasso

In Autonomous Driving (AD), detection and tracking of obstacles on the roads is a critical task. Deep-learning based methods using annotated LiDAR data have been the most widely adopted approach for this. Unfortunately, annotating 3D point…

Computer Vision and Pattern Recognition · Computer Science 2021-07-02 Jin Fang , Dingfu Zhou , Feilong Yan , Tongtong Zhao , Feihu Zhang , Yu Ma , Liang Wang , Ruigang Yang

The 3D modelling of indoor environments and the generation of process simulations play an important role in factory and assembly planning. In brownfield planning cases existing data are often outdated and incomplete especially for older…

Machine Learning · Statistics 2021-02-05 Christina Petschnigg , Markus Spitzner , Lucas Weitzendorf , Jürgen Pilz

Precision agriculture is a fast-growing field that aims at introducing affordable and effective automation into agricultural processes. Nowadays, algorithmic solutions for navigation in vineyards require expensive sensors and high…

Robotics · Computer Science 2021-12-21 Diego Aghi , Simone Cerrato , Vittorio Mazzia , Marcello Chiaberge