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The worldwide commercialization of fifth generation (5G) wireless networks and the exciting possibilities offered by connected and autonomous vehicles (CAVs) are pushing toward the deployment of heterogeneous sensors for tracking dynamic…

图像与视频处理 · 电气工程与系统科学 2022-02-03 Francesco Nardo , Davide Peressoni , Paolo Testolina , Marco Giordani , Andrea Zanella

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…

计算机视觉与模式识别 · 计算机科学 2021-07-02 Jin Fang , Dingfu Zhou , Feilong Yan , Tongtong Zhao , Feihu Zhang , Yu Ma , Liang Wang , Ruigang Yang

In recent years, the fusion of camera data with LiDAR measurements has emerged as a powerful approach to enhance spatial understanding. This study introduces a novel, hardware-agnostic methodology that generates colourised point clouds from…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Pasindu Ranasinghe , Dibyayan Patra , Bikram Banerjee , Simit Raval

LiDAR point cloud semantic segmentation is essential for interpreting 3D environments in applications such as autonomous driving and robotics. Recent methods achieve strong performance by exploiting different point cloud representations or…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Simone Mosco , Daniel Fusaro , Wanmeng Li , Emanuele Menegatti , Alberto Pretto

3D LiDAR scanners are playing an increasingly important role in autonomous driving as they can generate depth information of the environment. However, creating large 3D LiDAR point cloud datasets with point-level labels requires a…

计算机视觉与模式识别 · 计算机科学 2018-04-03 Xiangyu Yue , Bichen Wu , Sanjit A. Seshia , Kurt Keutzer , Alberto L. Sangiovanni-Vincentelli

Autonomous vehicles need to have a semantic understanding of the three-dimensional world around them in order to reason about their environment. State of the art methods use deep neural networks to predict semantic classes for each point in…

计算机视觉与模式识别 · 计算机科学 2021-09-27 Larissa T. Triess , David Peter , Christoph B. Rist , J. Marius Zöllner

Recent advancements in lidar technology have led to improved point cloud resolution as well as the generation of 360 degrees, low-resolution images by encoding depth, reflectivity, or near-infrared light within each pixel. These images…

机器人学 · 计算机科学 2025-05-06 Sier Ha , Honghao Du , Xianjia Yu , Tomi Westerlund

We consider the challenging problem of outdoor lighting estimation for the goal of photorealistic virtual object insertion into photographs. Existing works on outdoor lighting estimation typically simplify the scene lighting into an…

计算机视觉与模式识别 · 计算机科学 2022-08-22 Zian Wang , Wenzheng Chen , David Acuna , Jan Kautz , Sanja Fidler

LiDAR has become a standard sensor for autonomous driving applications as they provide highly precise 3D point clouds. LiDAR is also robust for low-light scenarios at night-time or due to shadows where the performance of cameras is…

计算机视觉与模式识别 · 计算机科学 2019-07-18 Khaled El Madawy , Hazem Rashed , Ahmad El Sallab , Omar Nasr , Hanan Kamel , Senthil Yogamani

Illumination estimation is often used in mixed reality to re-render a scene from another point of view, to change the color/texture of an object, or to insert a virtual object consistently lit into a real video or photograph. Specifically,…

计算机视觉与模式识别 · 计算机科学 2018-12-13 Grégoire Nieto , Salma Jiddi , Philippe Robert

Compared to abstract features, significant objects, so-called landmarks, are a more natural means for vehicle localization and navigation, especially in challenging unstructured environments. The major challenge is to recognize landmarks in…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Benjamin Naujoks , Patrick Burger , Hans-Joachim Wuensche

We propose a methodology for robust, real-time place recognition using an imaging lidar, which yields image-quality high-resolution 3D point clouds. Utilizing the intensity readings of an imaging lidar, we project the point cloud and obtain…

计算机视觉与模式识别 · 计算机科学 2021-04-23 Tixiao Shan , Brendan Englot , Fabio Duarte , Carlo Ratti , Daniela Rus

The 3D object detection capabilities in urban environments have been enormously improved by recent developments in Light Detection and Range (LiDAR) technology. This paper presents a novel framework that transforms the detection and…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Nawfal Guefrachi , Hakim Ghazzai , Ahmad Alsharoa

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…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Zhichao Li , Feng Wang , Naiyan Wang

Camera and lidar are important sensor modalities for robotics in general and self-driving cars in particular. The sensors provide complementary information offering an opportunity for tight sensor-fusion. Surprisingly, lidar-only methods…

计算机视觉与模式识别 · 计算机科学 2020-05-07 Sourabh Vora , Alex H. Lang , Bassam Helou , Oscar Beijbom

We present a method to estimate lighting from a single image of an indoor scene. Previous work has used an environment map representation that does not account for the localized nature of indoor lighting. Instead, we represent lighting as a…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Marc-André Gardner , Yannick Hold-Geoffroy , Kalyan Sunkavalli , Christian Gagné , Jean-François Lalonde

For an autonomous vehicle, the ability to sense its surroundings and to build an overall representation of the environment by fusing different sensor data streams is fundamental. To this end, the poses of all sensors need to be accurately…

机器人学 · 计算机科学 2022-11-07 Brahayam Ponton , Magda Ferri , Lars Koenig , Marcus Bartels

Illumination estimation from a single image is critical in 3D rendering and it has been investigated extensively in the computer vision and computer graphic research community. On the other hand, existing works estimate illumination by…

计算机视觉与模式识别 · 计算机科学 2020-12-22 Fangneng Zhan , Changgong Zhang , Yingchen Yu , Yuan Chang , Shijian Lu , Feiying Ma , Xuansong Xie

Localization is a key challenge in many robotics applications. In this work we explore LIDAR-based global localization in both urban and natural environments and develop a method suitable for online application. Our approach leverages…

机器人学 · 计算机科学 2023-02-01 Georgi Tinchev , Adrian Penate-Sanchez , Maurice Fallon

LIDAR 3D object detection is one of the important tasks for autonomous vehicles. Ensuring that this task operates in real-time is crucial. Toward this, model quantization can be used to accelerate the runtime. However, directly applying…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Ninnart Fuengfusin , Keisuke Yoneda , Naoki Suganuma