中文
相关论文

相关论文: Ground Profile Recovery from Aerial 3D LiDAR-based…

200 篇论文

3D modeling based on point clouds requires ground-filtering algorithms that separate ground from non-ground objects. This study presents two ground filtering algorithms. The first one is based on normal vectors. It has two variants…

计算机视觉与模式识别 · 计算机科学 2021-11-25 Nelson Diaz , Omar Gallo , Jhon Caceres , Hernan Porras

This paper addresses the task of separating ground points from airborne LiDAR point cloud data in urban areas. A novel ground filtering method using scan line segmentation is proposed here, which we call SLSGF. It utilizes the scan line…

计算机视觉与模式识别 · 计算机科学 2016-03-04 Lei Wang , Yongun Zhang

Ground-penetrating radar on planes and satellites now makes it practical to collect 3D observations of the subsurface structure of the polar ice sheets, providing crucial data for understanding and tracking global climate change. But…

计算机视觉与模式识别 · 计算机科学 2017-12-22 Mingze Xu , David J Crandall , Geoffrey C Fox , John D Paden

A novel, adaptive ground-aware, and cost-effective 3D Object Detection pipeline is proposed. The ground surface representation introduced in this paper, in comparison to its uni-planar counterparts (methods that model the surface of a whole…

计算机视觉与模式识别 · 计算机科学 2020-06-30 Arun CS Kumar , Disha Ahuja , Ashwath Aithal

The development of large-scale 3D scene reconstruction and novel view synthesis methods mostly rely on datasets comprising perspective images with narrow fields of view (FoV). While effective for small-scale scenes, these datasets require…

计算机视觉与模式识别 · 计算机科学 2025-04-10 Ulas Gunes , Matias Turkulainen , Xuqian Ren , Arno Solin , Juho Kannala , Esa Rahtu

When 3D-point clouds from overhead sensors are used as input to remote sensing data exploitation pipelines, a large amount of effort is devoted to data preparation. Among the multiple stages of the preprocessing chain, estimating the…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Mohammed Yousefhussien , David J. Kelbe , Carl Salvaggio

Ground surface detection in point cloud is widely used as a key module in autonomous driving systems. Different from previous approaches which are mostly developed for lidars with high beam resolution, e.g. Velodyne HDL-64, this paper…

机器人学 · 计算机科学 2021-05-26 Bo Li

In this paper, we developed the solution of roadside LiDAR object detection using a combination of two unsupervised learning algorithms. The 3D point clouds are firstly converted into spherical coordinates and filled into the…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Tianya Zhang , Peter J. Jin

This paper addresses outdoor terrain mapping using overhead images obtained from an unmanned aerial vehicle. Dense depth estimation from aerial images during flight is challenging. While feature-based localization and mapping techniques can…

计算机视觉与模式识别 · 计算机科学 2022-04-27 Qiaojun Feng , Nikolay Atanasov

A 3D point cloud is an unstructured, sparse, and irregular dataset, typically collected by airborne LiDAR systems over a geological region. Laser pulses emitted from these systems reflect off objects both on and above the ground, resulting…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Hong Zhao , Huyunting Huang , Tonglin Zhang , Baijian Yang , Jin Wei-Kocsis , Songlin Fei

In past years, several studies have proposed new methods and applications for urban wind simulations. In this article, we present a fast and automatic methodology for reconstructing airflows within urban environments using LiDAR and…

3D point clouds of natural environments relevant to problems in geomorphology often require classification of the data into elementary relevant classes. A typical example is the separation of riparian vegetation from ground in fluvial…

计算机视觉与模式识别 · 计算机科学 2012-01-25 Nicolas Brodu , Dimitri Lague

We present a learning-based method, namely GeoUDF,to tackle the long-standing and challenging problem of reconstructing a discrete surface from a sparse point cloud.To be specific, we propose a geometry-guided learning method for UDF and…

计算机视觉与模式识别 · 计算机科学 2023-07-28 Siyu Ren , Junhui Hou , Xiaodong Chen , Ying He , Wenping Wang

LiDAR (Light Detection and Ranging) has become an essential part of the remote sensing toolbox used for biosphere monitoring. In particular, LiDAR provides the opportunity to map forest leaf area with unprecedented accuracy, while leaf area…

计算机视觉与模式识别 · 计算机科学 2024-01-11 Yuchen Bai , Jean-Baptiste Durand , Grégoire Vincent , Florence Forbes

Accurate, high-resolution 3D mapping of environmental terrain is critical in a range of disciplines. In this study, we develop a new technique, called the PCFilt-94 algorithm, to extract 3D point clouds from coarse resolution…

信号处理 · 电气工程与系统科学 2023-10-13 William D. Harcourt , David G. Macfarlane , Duncan A. Robertson

Deforestation detection using satellite images can make an important contribution to forest management. Current approaches can be broadly divided into those that compare two images taken at similar periods of the year and those that monitor…

应用统计 · 统计学 2017-04-05 Emiliano Diaz

The popularity of LiDAR devices and sensor technology has gradually empowered users from autonomous driving to forest monitoring, and research on 3D LiDAR has made remarkable progress over the years. Unlike 2D images, whose focused area is…

机器人学 · 计算机科学 2024-02-19 Yawen Lu , Zhuoyang Sun , Jinyuan Shao , Qianyu Guo , Yunhan Huang , Songlin Fei , Yingjie Chen

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…

机器人学 · 计算机科学 2020-04-14 Tixiao Shan , Jinkun Wang , Fanfei Chen , Paul Szenher , Brendan Englot

In this thesis a probabilistic framework is developed and proposed for Dynamic Object Recognition in 3D Environments. A software package is developed using C++ and Python in ROS that performs the detection and tracking task. Furthermore, a…

计算机视觉与模式识别 · 计算机科学 2022-01-28 Pouria Mehrabi

This paper presents an autonomous approach to tree detection and segmentation in high resolution airborne LiDAR that utilises state-of-the-art region-based CNN and 3D-CNN deep learning algorithms. If the number of training examples for a…

机器人学 · 计算机科学 2018-10-31 Lloyd Windrim , Mitch Bryson
‹ 上一页 1 2 3 10 下一页 ›