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This paper presents a novel weakly supervised semantic segmentation method for radar segmentation, where the existing LiDAR semantic segmentation models are employed to generate semantic labels, which then serve as supervision signals for…

Robotics · Computer Science 2024-10-03 Siru Li , Ziyang Hong , Yushuai Chen , Liang Hu , Jiahu Qin

Recently, 4D millimetre-wave radar exhibits more stable perception ability than LiDAR and camera under adverse conditions (e.g. rain and fog). However, low-quality radar points hinder its application, especially the odometry task that…

Robotics · Computer Science 2025-03-04 Zhiheng Li , Yubo Cui , Ningyuan Huang , Chenglin Pang , Zheng Fang

Geometric navigation is nowadays a well-established field of robotics and the research focus is shifting towards higher-level scene understanding, such as Semantic Mapping. When a robot needs to interact with its environment, it must be…

Robotics · Computer Science 2023-11-23 Federico Rollo , Gennaro Raiola , Andrea Zunino , Nikolaos Tsagarakis , Arash Ajoudani

Salient object detection (SOD) is a crucial and preliminary task for many computer vision applications, which have made progress with deep CNNs. Most of the existing methods mainly rely on the RGB information to distinguish the salient…

Computer Vision and Pattern Recognition · Computer Science 2020-06-03 Jiawei Zhao , Yifan Zhao , Jia Li , Xiaowu Chen

Sonar systems are frequently used to classify objects at a distance by using the structure of the echoes of acoustic waves as a proxy for the object's shape and composition. Traditional synthetic aperture processing is highly effective in…

Computational Engineering, Finance, and Science · Computer Science 2021-12-14 Michael Robinson

Robust autonomous navigation in environments with limited visibility remains a critical challenge in robotics. We present a novel approach that leverages Non-Line-of-Sight (NLOS) sensing using single-photon LiDAR to improve visibility and…

LiDAR sensors are used in autonomous driving applications to accurately perceive the environment. However, they are affected by adverse weather conditions such as snow, fog, and rain. These everyday phenomena introduce unwanted noise into…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Aldi Piroli , Vinzenz Dallabetta , Johannes Kopp , Marc Walessa , Daniel Meissner , Klaus Dietmayer

An accurate depth map of the environment is critical to the safe operation of autonomous robots and vehicles. Currently, either light detection and ranging (LIDAR) or stereo matching algorithms are used to acquire such depth information.…

Light Detection and Ranging (LiDAR) technology in consumer-grade mobile devices can be used as a replacement for traditional background removal and compositing techniques. Unlike approaches such as chroma keying and trained AI models,…

Image and Video Processing · Electrical Eng. & Systems 2025-09-03 Jessica Kinnevan , Naifa Alqahtani , Toral Chauhan

Existing navigation systems mostly consider "success" when the robot reaches within 1m radius to a goal. This precision is insufficient for emerging applications where the robot needs to be positioned precisely relative to an object for…

The LIght Detection And Ranging (LiDAR) sensor has become one of the most important perceptual devices due to its important role in simultaneous localization and mapping (SLAM). Existing SLAM methods are mainly developed for mechanical…

Robotics · Computer Science 2021-02-18 Han Wang , Chen Wang , Lihua Xie

The growing urban complexity demands an efficient algorithm to acquire and process various sensor information from autonomous vehicles. In this paper, we introduce an algorithm to utilize object detection results from the image to…

Computer Vision and Pattern Recognition · Computer Science 2021-03-02 Madhumitha Sakthi , Ahmed Tewfik

Accurate 3D object detection is vital for automated driving. While lidar sensors are well suited for this task, they are expensive and have limitations in adverse weather conditions. 3+1D imaging radar sensors offer a cost-effective, robust…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Patrick Palmer , Martin Krüger , Stefan Schütte , Richard Altendorfer , Ganesh Adam , Torsten Bertram

Infrared sensing is a core method for supporting unmanned systems, such as autonomous vehicles and drones. Recently, infrared sensors have been widely deployed on mobile and stationary platforms for detection and classification of objects…

Computer Vision and Pattern Recognition · Computer Science 2025-02-21 Zhengeng Yang , Hongshan Yu , Jianjun Zhang , Qiang Tang , Ajmal Mian

Millimeter wave communication systems can leverage information from sensors to reduce the overhead associated with link configuration. LIDAR (light detection and ranging) is one sensor widely used in autonomous driving for high resolution…

Signal Processing · Electrical Eng. & Systems 2020-01-14 Aldebaro Klautau , Nuria González-Prelcic , Robert W. Heath

Matching sonar images with high accuracy has been a problem for a long time, as sonar images are inherently hard to model due to reflections, noise and viewpoint dependence. Autonomous Underwater Vehicles require good sonar image matching…

Computer Vision and Pattern Recognition · Computer Science 2017-09-08 Matias Valdenegro-Toro

Reliable outdoor deployment of mobile robots requires the robust identification of permissible driving routes in a given environment. The performance of LiDAR and vision-based perception systems deteriorates significantly if certain…

Robotics · Computer Science 2020-09-23 David Williams , Daniele De Martini , Matthew Gadd , Letizia Marchegiani , Paul Newman

This paper presents the perception system of a new professional cleaning robot for large public places. The proposed system is based on multiple sensors including 3D and 2D lidar, two RGB-D cameras and a stereo camera. The two lidars…

Radar has stronger adaptability in adverse scenarios for autonomous driving environmental perception compared to widely adopted cameras and LiDARs. Compared with commonly used 3D radars, the latest 4D radars have precise vertical resolution…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 Xinyu Zhang , Li Wang , Jian Chen , Cheng Fang , Lei Yang , Ziying Song , Guangqi Yang , Yichen Wang , Xiaofei Zhang , Jun Li , Zhiwei Li , Qingshan Yang , Zhenlin Zhang , Shuzhi Sam Ge

Light Detection and Ranging (LiDAR) sensors have become a de-facto sensor for many robot state estimation tasks, spurring development of many LiDAR Odometry (LO) methods in recent years. While some smoothing-based LO methods have been…

Robotics · Computer Science 2025-10-14 Easton R. Potokar , Taylor Pool , Daniel McGann , Michael Kaess