Results 1 to 10 of about 6,523,468 (262)

Deep Learning on Point Clouds and Its Application: A Survey

open access: yesSensors, 2019
Point cloud is a widely used 3D data form, which can be produced by depth sensors, such as Light Detection and Ranging (LIDAR) and RGB-D cameras. Being unordered and irregular, many researchers focused on the feature engineering of the point cloud. Being
Weiping Liu   +4 more
doaj   +3 more sources

Research Progress on 3D Object Detection of LiDAR Point Cloud [PDF]

open access: yesJisuanji kexue yu tansuo, 2022
3D object detection is a new research direction in recent years, and its main task is the location and recognization of targets in space. The existing methods for 3D object detection using monocular or binocular stereo vision are easily affected by ...
ZHOU Yan, PU Lei, LIN Liangxi, LIU Xiangyu, ZENG Fanzhi, ZHOU Yuexia
doaj   +1 more source

MPCR-Net: Multiple Partial Point Clouds Registration Network Using a Global Template

open access: yesApplied Sciences, 2021
With advancements in photoelectric technology and computer image processing technology, the visual measurement method based on point clouds is gradually being applied to the 3D measurement of large workpieces. Point cloud registration is a key step in 3D
Shijie Su   +4 more
doaj   +1 more source

THE RESEARCH ON ACCURACY EVALUATION METHOD OF THE TOMOGRAPHIC SAR THREE-DIMENSIONAL RECONSTRUCTION OF URBAN BUILDING BASED ON TERRESTRIAL LIDAR POINT CLOUD [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
Muti-baseLine SAR tomography can be used on 3D reconstruction of urban building based on SAR images acquired. In the near future, it is expected to become an important technical tool for urban multi-dimensional precision monitoring.
L. Li, L. Pang, X. D. Zhang, H. Liu
doaj   +1 more source

Interactive Holographic Display for Real-Time Drawing and Erasing of 3D Point-Cloud Images With a Fingertip

open access: yesIEEE Access, 2021
We demonstrate an interactive holographic display system for real-time drawing and erasing of 3D point-cloud images. This system detects the position of the observer's fingertip with a motion sensor, which it uses to calculate the complex amplitude ...
Mikito Takenaka   +3 more
doaj   +1 more source

Fast Point Cloud Registration Algorithm Based on 3DNPFH Descriptor

open access: yesPhotonics, 2022
Although researchers have investigated a variety of approaches to the development of three-dimensional (3D) point cloud matching algorithms, the results have been limited by low accuracy and slow speed when registering large numbers of point cloud data ...
Bo You   +4 more
doaj   +1 more source

GEOMETRIC FEATURES INTERPRETATION OF PHOTOGRAMMETRIC POINT CLOUD FROM UNMANNED AERIAL VEHICLE [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
Recent days point clouds have become one of the most common 3D sources of information which is provides accurate geometry features of the object. 3D point clouds can be derived from either photogrammetry, Lidar or SAR in some cases depending upon the ...
H. Harshit, S. K. P. Kushwaha, K. Jain
doaj   +1 more source

3D Point Cloud Semantic Segmentation System Based on Lightweight FPConv

open access: yesIEEE Access, 2023
In this paper, we proposed a 3D point cloud semantic segmentation system based on lightweight FPConv. In 3D point cloud mapping, data is depicted in a 3D space to represent 3D imagery data. These maps are collected through direct measurements; all points
Yu-Cheng Fan   +4 more
doaj   +1 more source

Panicle-3D: Efficient Phenotyping Tool for Precise Semantic Segmentation of Rice Panicle Point Cloud

open access: yesPlant Phenomics, 2021
The automated measurement of crop phenotypic parameters is of great significance to the quantitative study of crop growth. The segmentation and classification of crop point cloud help to realize the automation of crop phenotypic parameter measurement. At
Liang Gong   +7 more
doaj   +1 more source

Research on Deformation Monitoring of Invert Uplifts in Soft Rock Tunnels Based on 3D Laser Scanning

open access: yesApplied Sciences, 2023
The soft surrounding rock in tunnels has the characteristics of low strength, easy softening after soaking, and poor self-stability, which makes the inverted arch structure in soft rock tunnels prone to uplift deformations.
Enchao Zhang, Pengtao Niu, Jianfei Liu
doaj   +1 more source

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