Results 21 to 30 of about 7,734,831 (297)

GPU‐Accelerated LOD Generation for Point Clouds

open access: yesComputer Graphics Forum, 2023
AbstractAbout: We introduce a GPU‐accelerated LOD construction process that creates a hybrid voxel‐point‐based variation of the widely used layered point cloud (LPC) structure for LOD rendering and streaming. The massive performance improvements provided by the GPU allow us to improve the quality of lower LODs via color filtering while still increasing
Markus Schütz   +3 more
openaire   +2 more sources

Deep Artificial Correspondence Generation for 3D Point Cloud Registration [PDF]

open access: yesJisuanji kexue, 2023
To address the challenging problems of point cloud registration in 3D reconstruction(e.g.,difficulty in finding corresponding points,etc.),this paper proposes a point cloud registration method based on cross-attention and artificial correspondence ...
BAI Zhengyao, XU Zhu, ZHANG Yihan
doaj   +1 more source

DTM GENERATION WITH UAV BASED PHOTOGRAMMETRIC POINT CLOUD [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
Nowadays Unmanned Aerial Vehicles (UAVs) are widely used in many applications for different purposes. Their benefits however are not entirely detected due to the integration capabilities of other equipment such as; digital camera, GPS, or laser scanner ...
N. Polat, M. Uysal
doaj   +1 more source

Analysis of Point Cloud Generation from UAS Images [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2014
Unmanned Aerial Systems (UAS) allow for the collection of low altitude aerial images, along with other geospatial information from a variety of companion sensors.
S. Ostrowski   +3 more
doaj   +1 more source

VIDEO-BASED POINT CLOUD GENERATION USING MULTIPLE ACTION CAMERAS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015
Due to the development of action cameras, the use of video technology for collecting geo-spatial data becomes an important trend. The objective of this study is to compare the image-mode and video-mode of multiple action cameras for 3D point clouds ...
T. Teo
doaj   +1 more source

Automatic Point Cloud Processing Tools to Characterize Trees (Point-Cloud-Tools: v1.0.1).

open access: yes, 2021
Automatic point cloud processing tools for MATLAB to characterize trees.
Tuomas Yrttimaa
core   +1 more source

Development of Improved Semi-Automated Processing Algorithms for the Creation of Rockfall Databases

open access: yesRemote Sensing, 2021
While terrestrial laser scanning and photogrammetry provide high quality point cloud data that can be used for rock slope monitoring, their increased use has overwhelmed current data analysis methodologies.
Heather Schovanec   +3 more
doaj   +1 more source

A Generic Scheme for Progressive Point Cloud Coding [PDF]

open access: yesIEEE Transactions on Visualization and Computer Graphics, 2008
In this paper, we propose a generic point cloud encoder that provides a unified framework for compressing different attributes of point samples corresponding to 3D objects with arbitrary topology. In the proposed scheme, the coding process is led by an iterative octree cell subdivision of the object space.
Yan Huang 0003   +3 more
openaire   +3 more sources

Geometry-Aware Generation of Adversarial Point Clouds [PDF]

open access: yesIEEE Transactions on Pattern Analysis and Machine Intelligence, 2022
Machine learning models have been shown to be vulnerable to adversarial examples. While most of the existing methods for adversarial attack and defense work on the 2D image domain, a few recent attempts have been made to extend them to 3D point cloud data.
Yuxin Wen   +4 more
openaire   +4 more sources

UAV-BASED POINT CLOUD GENERATION FOR OPEN-PIT MINE MODELLING [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015
Along with the advancement of unmanned aerial vehicles (UAVs), improvement of high-resolution cameras and development of vision-based mapping techniques, unmanned aerial imagery has become a matter of remarkable interest among researchers and industries.
M. Shahbazi   +3 more
doaj   +1 more source

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