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Labeling LiDAR point clouds for training autonomous driving is extremely expensive and difficult. LiDAR simulation aims at generating realistic LiDAR data with labels for training and verifying self-driving algorithms more efficiently.…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Junge Zhang , Feihu Zhang , Shaochen Kuang , Li Zhang

As autonomous vehicles and advanced driving assistance systems have entered wider deployment, there is an increased interest in building robust perception systems using radars. Radar-based systems are lower cost and more robust to adverse…

信号处理 · 电气工程与系统科学 2023-12-14 Bo Yang , Ishan Khatri , Michael Happold , Chulong Chen

LiDAR sensors play an important role in the perception stack of modern autonomous driving systems. Adverse weather conditions such as rain, fog and dust, as well as some (occasional) LiDAR hardware fault may cause the LiDAR to produce…

机器人学 · 计算机科学 2025-04-01 Chiyu Zhang , Ji Han , Yao Zou , Kexin Dong , Yujia Li , Junchun Ding , Xiaoling Han

Path loss prediction for wireless communications is highly dependent on the local environment. Propagation models including clutter information have been shown to significantly increase model accuracy. This paper explores the application of…

机器学习 · 计算机科学 2024-08-21 Ryan Dempsey , Jonathan Ethier

Unravelling hidden patterns in datasets is a classical problem with many potential applications. In this paper, we present a challenge whose objective is to discover nonlinear relationships in noisy cloud of points. If a set of point…

机器学习 · 统计学 2018-05-31 Terry Lyons , Imanol Perez Arribas

Occupancy grid mapping is an important component in road scene understanding for autonomous driving. It encapsulates information of the drivable area, road obstacles and enables safe autonomous driving. Radars are an emerging sensor in…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Liat Sless , Gilad Cohen , Bat El Shlomo , Shaul Oron

Autonomous vehicles rely on camera, LiDAR, and radar sensors to navigate the environment. Adverse weather conditions like snow, rain, and fog are known to be problematic for both camera and LiDAR-based perception systems. Currently, it is…

计算机视觉与模式识别 · 计算机科学 2024-06-17 Aldi Piroli , Vinzenz Dallabetta , Johannes Kopp , Marc Walessa , Daniel Meissner , Klaus Dietmayer

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…

计算机视觉与模式识别 · 计算机科学 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

Radar is an important sensor for autonomous driving (AD) systems due to its robustness to adverse weather and different lighting conditions. Novel view synthesis using neural radiance fields (NeRFs) has recently received considerable…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Mahan Rafidashti , Ji Lan , Maryam Fatemi , Junsheng Fu , Lars Hammarstrand , Lennart Svensson

This paper focuses on vision-based pose estimation for multiple rigid objects placed in clutter, especially in cases involving occlusions and objects resting on each other. Progress has been achieved recently in object recognition given…

机器人学 · 计算机科学 2019-04-04 Chaitanya Mitash , Abdeslam Boularias , Kostas Bekris

In this paper, we address the problem of classifying data within the radar reference window in terms of statistical properties. Specifically, we partition these data into statistically homogeneous subsets by identifying possible clutter…

信号处理 · 电气工程与系统科学 2023-02-17 Chaoran Yin , Linjie Yan , Chengpeng Hao , Silvia Liberata Ullo , Gaetano Giunta , Alfonso Farina , Danilo Orlando

Recent advances in 4D radar highlight its potential for robust environment perception under adverse conditions, yet progress in radar semantic segmentation remains constrained by the scarcity of open source datasets and labels. The RaDelft…

计算机视觉与模式识别 · 计算机科学 2025-12-03 Kejia Hu , Mohammed Alsakabi , John M. Dolan , Ozan K. Tonguz

Occlusion presents a significant challenge for safety-critical applications such as autonomous driving. Collaborative perception has recently attracted a large research interest thanks to the ability to enhance the perception of autonomous…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Minh-Quan Dao , Holger Caesar , Julie Stephany Berrio , Mao Shan , Stewart Worrall , Vincent Frémont , Ezio Malis

Humans are very good at directing their visual attention toward relevant areas when they search for different types of objects. For instance, when we search for cars, we will look at the streets, not at the top of buildings. The motivation…

计算机视觉与模式识别 · 计算机科学 2020-06-12 Hughes Perreault , Guillaume-Alexandre Bilodeau , Nicolas Saunier , Maguelonne Héritier

Autonomous perception requires high-quality environment sensing in the form of 3D bounding boxes of dynamic objects. The primary sensors used in automotive systems are light-based cameras and LiDARs. However, they are known to fail in…

计算机视觉与模式识别 · 计算机科学 2022-03-10 Kshitiz Bansal , Keshav Rungta , Siyuan Zhu , Dinesh Bharadia

Despite powering sensitive systems like autonomous vehicles, object detection remains fairly brittle in part due to annotation errors that plague most real-world training datasets. We propose ObjectLab, a straightforward algorithm to detect…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Ulyana Tkachenko , Aditya Thyagarajan , Jonas Mueller

High quality perception is essential for autonomous driving (AD) systems. To reach the accuracy and robustness that are required by such systems, several types of sensors must be combined. Currently, mostly cameras and laser scanners…

计算机视觉与模式识别 · 计算机科学 2021-05-27 A. Ouaknine , A. Newson , J. Rebut , F. Tupin , P. Pérez

Small and cluttered objects are common in real-world which are challenging for detection. The difficulty is further pronounced when the objects are rotated, as traditional detectors often routinely locate the objects in horizontal bounding…

计算机视觉与模式识别 · 计算机科学 2022-04-29 Xue Yang , Junchi Yan , Wenlong Liao , Xiaokang Yang , Jin Tang , Tao He

Recently, detection of label errors and improvement of label quality in datasets for supervised learning tasks has become an increasingly important goal in both research and industry. The consequences of incorrectly annotated data include…

机器学习 · 计算机科学 2025-08-26 Sarina Penquitt , Tobias Riedlinger , Timo Heller , Markus Reischl , Matthias Rottmann

For autonomous driving, radar sensors provide superior reliability regardless of weather conditions as well as a significantly high detection range. State-of-the-art algorithms for environment perception based on radar scans build up on…

计算机视觉与模式识别 · 计算机科学 2023-05-23 Marco Braun , Alessandro Cennamo , Markus Schoeler , Kevin Kollek , Anton Kummert