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To navigate through urban roads, an automated vehicle must be able to perceive and recognize objects in a three-dimensional environment. A high-level contextual understanding of the surroundings is necessary to plan and execute accurate…

Robotics · Computer Science 2020-03-05 Julie Stephany Berrio , Mao Shan , Stewart Worrall , James Ward , Eduardo Nebot

An automated vehicle operating in an urban environment must be able to perceive and recognise object/obstacles in a three-dimensional world while navigating in a constantly changing environment. In order to plan and execute accurate…

Computer Vision and Pattern Recognition · Computer Science 2020-07-13 Julie Stephany Berrio , Mao Shan , Stewart Worrall , Eduardo Nebot

As object detectors are increasingly deployed as black-box cloud services or pre-trained models with restricted access to the original training data, the challenge of zero-shot object-level out-of-distribution (OOD) detection arises. This…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Bin Zhang , Xiaoyang Qu , Guokuan Li , Jiguang Wan , Jianzong Wang

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

In this paper, a global descriptor for a LiDAR point cloud, called LiDAR Iris, is proposed for fast and accurate loop-closure detection. A binary signature image can be obtained for each point cloud after several LoG-Gabor filtering and…

Robotics · Computer Science 2020-07-03 Ying Wang , Zezhou Sun , Cheng-Zhong Xu , Sanjay Sarma , Jian Yang , Hui Kong

3D object detection with multi-sensors is essential for an accurate and reliable perception system of autonomous driving and robotics. Existing 3D detectors significantly improve the accuracy by adopting a two-stage paradigm which merely…

Computer Vision and Pattern Recognition · Computer Science 2022-09-23 Xinli Xu , Shaocong Dong , Lihe Ding , Jie Wang , Tingfa Xu , Jianan Li

Computer vision techniques play a central role in the perception stack of autonomous vehicles. Such methods are employed to perceive the vehicle surroundings given sensor data. 3D LiDAR sensors are commonly used to collect sparse 3D point…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Lucas Nunes , Rodrigo Marcuzzi , Benedikt Mersch , Jens Behley , Cyrill Stachniss

Simulating realistic sensors is a challenging part in data generation for autonomous systems, often involving carefully handcrafted sensor design, scene properties, and physics modeling. To alleviate this, we introduce a pipeline for…

Point-pixel registration between LiDAR point clouds and camera images is a fundamental yet challenging task in autonomous driving and robotic perception. A key difficulty lies in the modality gap between unstructured point clouds and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Yu Han , Zhiwei Huang , Yanting Zhang , Fangjun Ding , Shen Cai , Rui Fan

LiDAR-based 3D detection in point cloud is essential in the perception system of autonomous driving. In this paper, we present LiDAR R-CNN, a second stage detector that can generally improve any existing 3D detector. To fulfill the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Zhichao Li , Feng Wang , Naiyan Wang

This paper presents a new approach to 3D object detection that leverages the properties of the data obtained by a LiDAR sensor. State-of-the-art detectors use neural network architectures based on assumptions valid for camera images.…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Guus Engels , Nerea Aranjuelo , Ignacio Arganda-Carreras , Marcos Nieto , Oihana Otaegui

Object detection and classification in 3D is a key task in Automated Driving (AD). LiDAR sensors are employed to provide the 3D point cloud reconstruction of the surrounding environment, while the task of 3D object bounding box detection in…

Computer Vision and Pattern Recognition · Computer Science 2018-08-08 Waleed Ali , Sherif Abdelkarim , Mohamed Zahran , Mahmoud Zidan , Ahmad El Sallab

In this work, we propose a new approach that combines data from multiple sensors for reliable obstacle avoidance. The sensors include two depth cameras and a LiDAR arranged so that they can capture the whole 3D area in front of the robot…

Robotics · Computer Science 2022-12-27 Thanh Nguyen Canh , Truong Son Nguyen , Cong Hoang Quach , Xiem HoangVan , Manh Duong Phung

3D LiDAR point cloud data is crucial for scene perception in computer vision, robotics, and autonomous driving. Geometric and semantic scene understanding, involving 3D point clouds, is essential for advancing autonomous driving…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Li Li

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

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

Segmenting or detecting objects in sparse Lidar point clouds are two important tasks in autonomous driving to allow a vehicle to act safely in its 3D environment. The best performing methods in 3D semantic segmentation or object detection…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Corentin Sautier , Gilles Puy , Spyros Gidaris , Alexandre Boulch , Andrei Bursuc , Renaud Marlet

Moving object segmentation (MOS) using a 3D light detection and ranging (LiDAR) sensor is crucial for scene understanding and identification of moving objects. Despite the availability of various types of 3D LiDAR sensors in the market, MOS…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Hyungtae Lim , Seoyeon Jang , Benedikt Mersch , Jens Behley , Hyun Myung , Cyrill Stachniss

When localizing and detecting 3D objects for autonomous driving scenes, obtaining information from multiple sensor (e.g. camera, LIDAR) typically increases the robustness of 3D detectors. However, the efficient and effective fusion of…

Computer Vision and Pattern Recognition · Computer Science 2020-09-11 Can Chen , Luca Zanotti Fragonara , Antonios Tsourdos

With the advent of autonomous vehicles, LiDAR and cameras have become an indispensable combination of sensors. They both provide rich and complementary data which can be used by various algorithms and machine learning to sense and make…

Robotics · Computer Science 2017-05-30 Ankit Dhall , Kunal Chelani , Vishnu Radhakrishnan , K. M. Krishna