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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

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

Semantic segmentation of 3D LiDAR point clouds is important in urban remote sensing for understanding real-world street environments. This task, by projecting LiDAR point clouds and 3D semantic labels as sparse maps, can be reformulated as…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Xiaoyu Dong , Tiankui Xian , Wanshui Gan , Naoto Yokoya

By enabling capturing of 3D point clouds that reflect the geometry of the immediate environment, LiDAR has emerged as a primary sensor for autonomous systems. If a LiDAR scan is too sparse, occluded by obstacles, or too small in range,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Ryan Faulkner , Luke Haub , Simon Ratcliffe , Anh-Dzung Doan , Ian Reid , Tat-Jun Chin

Nowadays, static, mobile, terrestrial, and airborne laser scanning technologies have become familiar data sources for engineering work, especially in the area of land surveying. The diversity of Light Detection and Ranging (LiDAR) data…

Methodology · Statistics 2023-12-07 Fayez Tarsha Kurdi , Paul Reed , Zahra Gharineiat , Mohammad Awrangjeb

The current autonomous driving architecture places a heavy burden in signal processing for the graphics processing units (GPUs) in the car. This directly translates into battery drain and lower energy efficiency, crucial factors in electric…

Artificial Intelligence · Computer Science 2018-11-02 Nalin Jayaweera , Nandana Rajatheva , Matti Latva-aho

Using a laser-based ranging method for precise environmental 3D sensing, LiDAR has numerous applications in science and industry. However, conventional LiDAR face challenges in simultaneously achieving high ranging precision and fast…

Optics · Physics 2024-12-10 Lizong Dong , Qinggai Mi , Siyu Zhou , Yuetang Yang , Yuanzu Wang , Guanhao Wu

We tackle the problem of producing realistic simulations of LiDAR point clouds, the sensor of preference for most self-driving vehicles. We argue that, by leveraging real data, we can simulate the complex world more realistically compared…

Computer Vision and Pattern Recognition · Computer Science 2020-06-17 Sivabalan Manivasagam , Shenlong Wang , Kelvin Wong , Wenyuan Zeng , Mikita Sazanovich , Shuhan Tan , Bin Yang , Wei-Chiu Ma , Raquel Urtasun

The integration of Light Detection and Ranging (LiDAR) and Internet of Things (IoT) technologies offers transformative opportunities for public health informatics in urban safety and pedestrian well-being. This paper proposes a novel…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Nawfal Guefrachi , Jian Shi , Hakim Ghazzai , Ahmad Alsharoa

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

Light detection and ranging (LiDAR) have emerged as a crucial tool for high-resolution 3D imaging, particularly in autonomous vehicles, remote sensing, and augmented reality. However, the increasing demand for faster acquisition speed and…

Optics · Physics 2025-07-28 Yixiu Shen , Zi Heng Lim , Guangya Zhou

We propose a methodology for lidar super-resolution with ground vehicles driving on roadways, which relies completely on a driving simulator to enhance, via deep learning, the apparent resolution of a physical lidar. To increase the…

Robotics · Computer Science 2020-04-14 Tixiao Shan , Jinkun Wang , Fanfei Chen , Paul Szenher , Brendan Englot

LiDAR has become one of the primary sensors in robotics and autonomous system for high-accuracy situational awareness. In recent years, multi-modal LiDAR systems emerged, and among them, LiDAR-as-a-camera sensors provide not only 3D point…

Robotics · Computer Science 2023-08-15 Ha Sier , Xianjia Yu , Iacopo Catalano , Jorge Pena Queralta , Zhuo Zou , Tomi Westerlund

Next-generation wireless systems such as 6G operate at higher frequency bands, making signal propagation highly sensitive to environmental factors such as buildings and vege- tation. Accurate Radio Environment Map (REM) estimation is…

Signal Processing · Electrical Eng. & Systems 2026-04-08 Ljupcho Milosheski , Fedja Močnik , Mihael Mohorčič , Carolina Fortuna

Light Detection And Ranging (LiDAR) has been widely used in autonomous vehicles for perception and localization. However, the cost of a high-resolution LiDAR is still prohibitively expensive, while its low-resolution counterpart is much…

Computer Vision and Pattern Recognition · Computer Science 2022-05-05 Lin Bai , Yiming Zhao , Xinming Huang

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

In the era of autonomous driving, urban mapping represents a core step to let vehicles interact with the urban context. Successful mapping algorithms have been proposed in the last decade building the map leveraging on data from a single…

Computer Vision and Pattern Recognition · Computer Science 2017-08-21 Andrea Romanoni , Daniele Fiorenti , Matteo Matteucci

We propose a technique to develop (and localize in) topological maps from light detection and ranging (Lidar) data. Localizing an autonomous vehicle with respect to a reference map in real-time is crucial for its safe operation. Owing to…

Image and Video Processing · Electrical Eng. & Systems 2019-02-28 Sirisha Rambhatla , Nikos D. Sidiropoulos , Jarvis Haupt

Multi-beam LiDAR sensors, as used on autonomous vehicles and mobile robots, acquire sequences of 3D range scans ("frames"). Each frame covers the scene sparsely, due to limited angular scanning resolution and occlusion. The sparsity…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Shengyu Huang , Zan Gojcic , Jiahui Huang , Andreas Wieser , Konrad Schindler

In this study, we present a novel LiDAR-based semantic segmentation framework tailored for autonomous forklifts operating in complex outdoor environments. Central to our approach is the integration of a dual LiDAR system, which combines…

Robotics · Computer Science 2025-05-29 Benjamin Serfling , Hannes Reichert , Lorenzo Bayerlein , Konrad Doll , Kati Radkhah-Lens