Use of UAS and TLS technology in 3D modeling of constructions with complex architecture

3D building models are widely used in many applications. The use of terrestrial laser scanning and UAS photogrammetry for 3D modelling is a popular practice especially for constructions with complex architecture. The present article presents an example of using these technologies successfully for 3...

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Main Authors: Elemer-Emanuel ȘUBA, Mircea-Emil NAP, Silvia CHIOREAN, Ioana Delia POP, Florica MATEI, Tudor SALAGEAN
Format: Article
Language:English
Published: Society of Land Measurements and Cadastre from Transylvania (SMTCT) 2022-12-01
Series:Nova Geodesia
Subjects:
Online Access:https://novageodesia.ro/index.php/ng/article/view/74
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author Elemer-Emanuel ȘUBA
Mircea-Emil NAP
Silvia CHIOREAN
Ioana Delia POP
Florica MATEI
Tudor SALAGEAN
author_facet Elemer-Emanuel ȘUBA
Mircea-Emil NAP
Silvia CHIOREAN
Ioana Delia POP
Florica MATEI
Tudor SALAGEAN
author_sort Elemer-Emanuel ȘUBA
collection DOAJ
description 3D building models are widely used in many applications. The use of terrestrial laser scanning and UAS photogrammetry for 3D modelling is a popular practice especially for constructions with complex architecture. The present article presents an example of using these technologies successfully for 3D modelling of the Episcopal Cathedral of the Holy Trinity from Baia Mare, Romania.  A number of 51 control and verification points were determined by the closed circuit travel method and the intersection method. All measurements were processed in Terramodel software. The control points used in the georeferencing of the scans were materialized by metal stakes and the verification points were materialized by reflective targets. Depending on the construction configuration, the field of view and the minimum/maximum scanning distances were subsequently set. A total of 45 scans were performed to model the entire cathedral. The photogrammetric flight was performed in RTK mode, with corrections being transmitted from the DJI D-RTK-2 Mobile Station base to the RTK drone. All retrieved frames had geolocation and frame orientation elements recorded by the IMU module. A total number of 222 photograms were taken, as a result of a double grid photogrammetric flight, with the camera oriented at 60 degrees, but also as a result of manual acquisition by performing orbital flights at different heights: an orbital flight on the ground floor, an orbital flight at the level of about 40 meters and an orbital flight around the tower.
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spelling doaj.art-219043703ce6491fa19002c7417fb4882023-09-14T17:39:34ZengSociety of Land Measurements and Cadastre from Transylvania (SMTCT)Nova Geodesia2810-27542022-12-012410.55779/ng2474Use of UAS and TLS technology in 3D modeling of constructions with complex architectureElemer-Emanuel ȘUBA0Mircea-Emil NAP1Silvia CHIOREAN2Ioana Delia POP3Florica MATEI4Tudor SALAGEAN5University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Faculty of Forestry and Cadastre, 3-5 Mănăștur Street, 400372, Cluj-NapocaUniversity of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Faculty of Forestry and Cadastre, 3-5 Mănăștur Street, 400372, Cluj-NapocaUniversity of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Faculty of Forestry and Cadastre, 3-5 Mănăștur Street, 400372, Cluj-NapocaUniversity of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Faculty of Forestry and Cadastre, 3-5 Mănăștur Street, 400372, Cluj-NapocaUniversity of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Faculty of Forestry and Cadastre, 3-5 Mănăștur Street, 400372, Cluj-NapocaUniversity of Agricultural Sciences and Veterinary Medicine Cluj-Napoca, Faculty of Forestry and Cadastre, 3-5 Mănăștur Street, 400372, Cluj-Napoca; Technical University of Civil Engineering Bucharest, Doctoral School, 122-124 Lacul Tei Bvd., 020396, sector 2, Bucharest 3D building models are widely used in many applications. The use of terrestrial laser scanning and UAS photogrammetry for 3D modelling is a popular practice especially for constructions with complex architecture. The present article presents an example of using these technologies successfully for 3D modelling of the Episcopal Cathedral of the Holy Trinity from Baia Mare, Romania.  A number of 51 control and verification points were determined by the closed circuit travel method and the intersection method. All measurements were processed in Terramodel software. The control points used in the georeferencing of the scans were materialized by metal stakes and the verification points were materialized by reflective targets. Depending on the construction configuration, the field of view and the minimum/maximum scanning distances were subsequently set. A total of 45 scans were performed to model the entire cathedral. The photogrammetric flight was performed in RTK mode, with corrections being transmitted from the DJI D-RTK-2 Mobile Station base to the RTK drone. All retrieved frames had geolocation and frame orientation elements recorded by the IMU module. A total number of 222 photograms were taken, as a result of a double grid photogrammetric flight, with the camera oriented at 60 degrees, but also as a result of manual acquisition by performing orbital flights at different heights: an orbital flight on the ground floor, an orbital flight at the level of about 40 meters and an orbital flight around the tower. https://novageodesia.ro/index.php/ng/article/view/743D area3D modellinglaser scanningphotogrammetrypoint cloud
spellingShingle Elemer-Emanuel ȘUBA
Mircea-Emil NAP
Silvia CHIOREAN
Ioana Delia POP
Florica MATEI
Tudor SALAGEAN
Use of UAS and TLS technology in 3D modeling of constructions with complex architecture
Nova Geodesia
3D area
3D modelling
laser scanning
photogrammetry
point cloud
title Use of UAS and TLS technology in 3D modeling of constructions with complex architecture
title_full Use of UAS and TLS technology in 3D modeling of constructions with complex architecture
title_fullStr Use of UAS and TLS technology in 3D modeling of constructions with complex architecture
title_full_unstemmed Use of UAS and TLS technology in 3D modeling of constructions with complex architecture
title_short Use of UAS and TLS technology in 3D modeling of constructions with complex architecture
title_sort use of uas and tls technology in 3d modeling of constructions with complex architecture
topic 3D area
3D modelling
laser scanning
photogrammetry
point cloud
url https://novageodesia.ro/index.php/ng/article/view/74
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