Results 11 to 20 of about 316,592 (249)

Railway reconstruction from 3D point cloud using Deep Learning and Parametric Modeling [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Railway infrastructure is crucial for transporting goods and passengers, making its maintenance and reconstruction vital for safety and reliability. Traditional methods reliant on manual surveys are time-consuming and prone to inaccuracies.
A. Yarroudh   +4 more
doaj   +1 more source

Automatic upgrade of 3D building models to LoD3 using 3D Point Clouds and Grounding DINO [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
The advancement of urban digital twins depends on the accurate representation of 3D city models, particularly Level of Detail 3 (LoD3) models, which incorporate detailed façade features essential for urban planning applications.
A. Yarroudh   +3 more
doaj   +1 more source

A Data Cube Metamodel for Geographic Analysis Involving Heterogeneous Dimensions

open access: yesISPRS International Journal of Geo-Information, 2021
Due to their multiple sources and structures, big spatial data require adapted tools to be efficiently collected, summarized and analyzed. For this purpose, data are archived in data warehouses and explored by spatial online analytical processing (SOLAP)
Jean-Paul Kasprzyk, Guénaël Devillet
doaj   +1 more source

Optimization by Central Composite Experimental Design of the Synthesis of Physically Crosslinked Chitosan Spheres

open access: yesBiomimetics, 2020
Chitosan (CS) has special properties such as biocompatibility, biodegradability, antibacterial, and biological activity which make this material is currently studied in various applications, including tissue engineering.
Sara Isabel Zamora Lagos   +4 more
doaj   +1 more source

TESSERAE3D: A BENCHMARK FOR TESSERAE SEMANTIC SEGMENTATION IN 3D POINT CLOUDS [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2021
3D point cloud of mosaic tesserae is used by heritage researchers, restorers and archaeologists for digital investigations. Information extraction, pattern analysis and semantic assignment are necessary to complement the geometric information.
A. Kharroubi   +3 more
doaj   +1 more source

Sensitivity to Convective Schemes on Precipitation Simulated by the Regional Climate Model MAR over Belgium (1987–2017)

open access: yesAtmosphere, 2019
The aim of this study is to assess the sensitivity of convective precipitation modelled by the regional climate model MAR (Modèle Atmosphérique Régional) over 1987–2017 to four newly implemented convective schemes: the Bechtold
Sébastien Doutreloup   +5 more
doaj   +1 more source

Music of the Spheres in Akbarian Sufism

open access: yesReligions, 2022
As per tradition, no human could hear the music of the spheres save for Pythagoras. Ibn ʿArabī, however, claimed he heard this music each time he prayed sincerely.
Dunja Rašić
doaj   +1 more source

The Monstrous Mark of Cinema: Mulholland Drive, Spherology, and the “Virtual Space” of Filmic Fiction

open access: yesFilm-Philosophy, 2023
This article interprets David Lynch's Mulholland Drive (2001) to argue for the morphological influence cinematic images have on modernity's monstrous identity.
James Dutton
doaj   +1 more source

Examples of Non-Conformal Submersions from Spheres with Umbilical Fibers

open access: yesDemonstratio Mathematica, 2014
We directly prove that the foliation of the sphere S2n+1, the leaves of which are intersections of all complex linear 2-dimensional subspaces of ℂn+1 translated by a constant vector p, defines a submersion that is horizontally conformal if and only if p ...
Zawadzki Tomasz
doaj   +1 more source

Three Dimensional Change Detection Using Point Clouds: A Review

open access: yesGeomatics, 2022
Change detection is an important step for the characterization of object dynamics at the earth’s surface. In multi-temporal point clouds, the main challenge is to detect true changes at different granularities in a scene subject to significant noise and ...
Abderrazzaq Kharroubi   +4 more
doaj   +1 more source

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