Results 1 to 10 of about 7,581 (266)

POLYGONAL SHAPES DETECTION IN 3D MODELS OF COMPLEX ARCHITECTURES [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015
A sequential application of two global models defined on a variational framework is proposed for the detection of polygonal shapes in 3D models of complex architectures.
G. B. Benciolini, A. Vitti
doaj   +5 more sources

Simulation of the preparation and face drilling processes with laser scanning and automated marking of the drilling grid [PDF]

open access: yesE3S Web of Conferences, 2020
The article discusses the methods of calculating the drilling and blasting scheme and constructing a drilling grid, manual and automatic calculation options are compared.
Volkova Evgeniya   +3 more
doaj   +1 more source

Symmetry Analysis of Oriental Polygonal Pagodas Using 3D Point Clouds for Cultural Heritage

open access: yesSensors, 2021
Ancient pagodas are usually parts of hot tourist spots in many oriental countries due to their unique historical backgrounds. They are usually polygonal structures comprised by multiple floors, which are separated by eaves.
Ting On Chan   +8 more
doaj   +1 more source

PolyDiff: Generating 3D Polygonal Meshes with Diffusion Models

open access: yesCoRR, 2023
We introduce PolyDiff, the first diffusion-based approach capable of directly generating realistic and diverse 3D polygonal meshes. In contrast to methods that use alternate 3D shape representations (e.g. implicit representations), our approach is a discrete denoising diffusion probabilistic model that operates natively on the polygonal mesh data ...
Antonio Alliegro   +3 more
openaire   +2 more sources

POLYFIT ASSISTED MONOSCOPIC MULTI-IMAGE MEASUREMENT SYSTEMS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
Nowadays, in light of the latest development in three-dimensional (3D) modeling technology, an essential role is given to the research and development of fully-automated or semi-automated processes in order to increase workflow effectiveness.
D. Suwardhi   +5 more
doaj   +1 more source

Urban Building Mesh Polygonization Based on Plane-Guided Segmentation, Topology Correction and Corner Point Clump Optimization

open access: yesRemote Sensing, 2022
The lightweight representation of 3D building models has played an increasingly important role in the comprehensive application of urban 3D models.
Yawen Liu   +5 more
doaj   +1 more source

Different Techniques of Creating Bone Digital 3D Models from Natural Specimens

open access: yesApplied System Innovation, 2022
The choice of technique for the creation of a 3D digital human bone model from natural specimens has a critical impact on the final result and usability of the obtained model.
Edgars Edelmers   +3 more
doaj   +1 more source

CITY RECONSTRUCTION FROM AIRBORNE LIDAR: A COMPUTATIONAL GEOMETRY APPROACH [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
We introduce a pipeline that reconstructs buildings of urban environments as concise polygonal meshes from airborne LiDAR scans. It consists of three main steps: classification, building contouring, and building reconstruction, the two last steps being ...
J.-P. Bauchet, J.-P. Bauchet, F. Lafarge
doaj   +1 more source

CONSTRUCTIVE GEOMETRY IN IMPLEMENTATIONS OF MODERN 3D GRAPHICS

open access: yesІнформаційні технології і засоби навчання, 2023
3D graphics are one of the crucial development trends of modern digital technologies. Engineering and manufacturing, architecture, design, cinematography, education, and the game industry are an incomplete list of industries where it is actively used ...
Ivan G. Lenchuk, Oleksandr O. Mosiiuk
doaj   +1 more source

Implicit Surface Modeling from Imprecise Point Clouds [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
In applying optical methods for automated 3D indoor modelling, the 3D reconstruction of objects and surfaces is very sensitive to both lighting conditions and the observed surface properties, which ultimately compromise the utility of the acquired 3D ...
E. Funk   +3 more
doaj   +1 more source

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