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With the development of numerous 3D sensing technologies, object registration on cross-source point cloud has aroused researchers' interests. When the point clouds are captured from different kinds of sensors, there are large and different…

Computer Vision and Pattern Recognition · Computer Science 2016-10-25 Xiaoshui Huang , Jian Zhang , Qiang Wu , Lixin Fan , Chun Yuan

LiDAR point clouds, which are usually scanned by rotating LiDAR sensors continuously, capture precise geometry of the surrounding environment and are crucial to many autonomous detection and navigation tasks. Though many 3D deep…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Aoran Xiao , Jiaxing Huang , Dayan Guan , Kaiwen Cui , Shijian Lu , Ling Shao

Panoptic segmentation has recently unified semantic and instance segmentation, previously addressed separately, thus taking a step further towards creating more comprehensive and efficient perception systems. In this paper, we present…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Stefano Gasperini , Mohammad-Ali Nikouei Mahani , Alvaro Marcos-Ramiro , Nassir Navab , Federico Tombari

Recently, cross-source point cloud registration from different sensors has become a significant research focus. However, traditional methods confront challenges due to the varying density and structure of cross-source point clouds. In order…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Yu Wang , Shuhui Bu , Lin Chen , Yifei Dong , Kun Li , Xuefeng Cao , Ke Li

LiDAR-based 3D object detection is an important task for autonomous driving and current approaches suffer from sparse and partial point clouds of distant and occluded objects. In this paper, we propose a novel two-stage approach, namely…

Computer Vision and Pattern Recognition · Computer Science 2020-12-23 Yanan Zhang , Di Huang , Yunhong Wang

Research connecting text and images has recently seen several breakthroughs, with models like CLIP, DALL-E 2, and Stable Diffusion. However, the connection between text and other visual modalities, such as lidar data, has received less…

Computer Vision and Pattern Recognition · Computer Science 2023-05-03 Georg Hess , Adam Tonderski , Christoffer Petersson , Kalle Åström , Lennart Svensson

Lidar datasets now commonly reach Billions of points and are very dense. Using these point cloud becomes challenging, as the high number of points is intractable for most applications and for visualisation.In this work we propose a new…

Computational Geometry · Computer Science 2018-01-15 Rémi Cura , Julien Perret , Nicolas Paparoditis

Open-world Instance Segmentation (OIS) is a challenging task that aims to accurately segment every object instance appearing in the current observation, regardless of whether these instances have been labeled in the training set. This is…

Robotics · Computer Science 2023-03-09 Wenbang Deng , Kaihong Huang , Qinghua Yu , Huimin Lu , Zhiqiang Zheng , Xieyuanli Chen

Making sense of the physical world has always been at the core of mapping. Up until recently, this has always dependent on using the human eye. Using airborne lasers, it has become possible to quickly "see" more of the world in many more…

Computational Engineering, Finance, and Science · Computer Science 2015-04-14 Christoph Waldhauser , Ronald Hochreiter , Johannes Otepka , Norbert Pfeifer , Sajid Ghuffar , Karolina Korzeniowska , Gerald Wagner

We present TransLPC, a novel detection model for large point clouds that is based on a transformer architecture. While object detection with transformers has been an active field of research, it has proved difficult to apply such models to…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Felicia Ruppel , Florian Faion , Claudius Gläser , Klaus Dietmayer

Existing LiDAR-Camera fusion methods have achieved strong results in 3D object detection. To address the sparsity of point clouds, previous approaches typically construct spatial pseudo point clouds via depth completion as auxiliary input…

Computer Vision and Pattern Recognition · Computer Science 2025-08-28 Jijun Wang , Yan Wu , Yujian Mo , Junqiao Zhao , Jun Yan , Yinghao Hu

The goal of this paper is to classify objects mapped by LiDAR sensor into different classes such as vehicles, pedestrians and bikers. Utilizing a LiDAR-based object detector and Neural Networks-based classifier, a novel real-time object…

Computer Vision and Pattern Recognition · Computer Science 2019-07-01 Farzad Shafiei Dizaji

LiDAR Upsampling is a challenging task for the perception systems of robots and autonomous vehicles, due to the sparse and irregular structure of large-scale scene contexts. Recent works propose to solve this problem by converting LiDAR…

Computer Vision and Pattern Recognition · Computer Science 2024-05-06 Bin Yang , Patrick Pfreundschuh , Roland Siegwart , Marco Hutter , Peyman Moghadam , Vaishakh Patil

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

Static LiDAR scanners produce accurate, dense, colored point clouds, but often contain obtrusive artifacts which makes them ill-suited for direct display. We propose an efficient method to render photorealistic images of such scans without…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Joni Vanherck , Brent Zoomers , Tom Mertens , Lode Jorissen , Nick Michiels

We introduce ECLAIR (Extended Classification of Lidar for AI Recognition), a new outdoor large-scale aerial LiDAR dataset designed specifically for advancing research in point cloud semantic segmentation. As the most extensive and diverse…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Iaroslav Melekhov , Anand Umashankar , Hyeong-Jin Kim , Vladislav Serkov , Dusty Argyle

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

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

One key vertical application that will be enabled by 6G is the automation of the processes with the increased use of robots. As a result, sensing and localization of the surrounding environment becomes a crucial factor for these robots to…

Signal Processing · Electrical Eng. & Systems 2021-02-23 Madhushanka Padmal , Dileepa Marasinghe , Vijitha Isuru , Nalin Jayaweera , Samad Ali , Nandana Rajatheva

Compressing massive LiDAR point clouds in real-time is critical to autonomous machines such as drones and self-driving cars. While most of the recent prior work has focused on compressing individual point cloud frames, this paper proposes a…

Image and Video Processing · Electrical Eng. & Systems 2020-08-18 Yu Feng , Shaoshan Liu , Yuhao Zhu