Structural analysis of clastic dikes using Structure from Motion - Multi-View Stereo: a case-study in the Paraná Basin, southeastern Brazil
ABSTRACT: This work presents the development of a three-dimensional (3D) model of an outcrop of the Corumbataí Formation (Permian, Paraná Basin, Brazil) using Structure from Motion - Multi-View Stereo (SfM-MVS) technique in order to provide a structural analysis of clastic dikes cutting through silt...
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Sociedade Brasileira de Geologia
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doaj-4d7850bc3ce64d0e93fc1c2e9812fd1e2020-11-25T00:50:49ZengSociedade Brasileira de GeologiaBrazilian Journal of Geology2317-469248483985210.1590/2317-4889201800201898S2317-48892018000400839Structural analysis of clastic dikes using Structure from Motion - Multi-View Stereo: a case-study in the Paraná Basin, southeastern BrazilCamila Duelis VianaCarlos Henrique GrohmannMariana dos Santos Toledo BusarelloGuilherme Pereira Bento GarciaABSTRACT: This work presents the development of a three-dimensional (3D) model of an outcrop of the Corumbataí Formation (Permian, Paraná Basin, Brazil) using Structure from Motion - Multi-View Stereo (SfM-MVS) technique in order to provide a structural analysis of clastic dikes cutting through siltstone layers. While traditional photogrammetry requires the user to input a series of parameters related to the camera orientation and its characteristics (such as focal distance), in SfM-MVS the scene geometry, camera position and orientations are automatically determined by a bundle adjustment, an iterative procedure based on a set of overlapping images. It is considered a low-cost technique in terms of hardware and software, also being able to provide point density and accuracy on par to the ones obtained withTerrestrial Laser Scanning. The results acquired on this research have good agreement with previous works, yielding a NNW main orientation for the dikes measured in the field and on the 3D model. The development of this work showed that SfM-MVS use and practice on geosciences still needs more studies on the optimization of the involved parameters (such as camera orientation, image overlap and angle of illumination), which, when accomplished, will result in less processing time and more accurate models.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2317-48892018000400839&lng=en&tlng=enclastic dikesstructure from motiondigital outcrop modelphotogrammetrystructural geology |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Camila Duelis Viana Carlos Henrique Grohmann Mariana dos Santos Toledo Busarello Guilherme Pereira Bento Garcia |
spellingShingle |
Camila Duelis Viana Carlos Henrique Grohmann Mariana dos Santos Toledo Busarello Guilherme Pereira Bento Garcia Structural analysis of clastic dikes using Structure from Motion - Multi-View Stereo: a case-study in the Paraná Basin, southeastern Brazil Brazilian Journal of Geology clastic dikes structure from motion digital outcrop model photogrammetry structural geology |
author_facet |
Camila Duelis Viana Carlos Henrique Grohmann Mariana dos Santos Toledo Busarello Guilherme Pereira Bento Garcia |
author_sort |
Camila Duelis Viana |
title |
Structural analysis of clastic dikes using Structure from Motion - Multi-View Stereo: a case-study in the Paraná Basin, southeastern Brazil |
title_short |
Structural analysis of clastic dikes using Structure from Motion - Multi-View Stereo: a case-study in the Paraná Basin, southeastern Brazil |
title_full |
Structural analysis of clastic dikes using Structure from Motion - Multi-View Stereo: a case-study in the Paraná Basin, southeastern Brazil |
title_fullStr |
Structural analysis of clastic dikes using Structure from Motion - Multi-View Stereo: a case-study in the Paraná Basin, southeastern Brazil |
title_full_unstemmed |
Structural analysis of clastic dikes using Structure from Motion - Multi-View Stereo: a case-study in the Paraná Basin, southeastern Brazil |
title_sort |
structural analysis of clastic dikes using structure from motion - multi-view stereo: a case-study in the paraná basin, southeastern brazil |
publisher |
Sociedade Brasileira de Geologia |
series |
Brazilian Journal of Geology |
issn |
2317-4692 |
description |
ABSTRACT: This work presents the development of a three-dimensional (3D) model of an outcrop of the Corumbataí Formation (Permian, Paraná Basin, Brazil) using Structure from Motion - Multi-View Stereo (SfM-MVS) technique in order to provide a structural analysis of clastic dikes cutting through siltstone layers. While traditional photogrammetry requires the user to input a series of parameters related to the camera orientation and its characteristics (such as focal distance), in SfM-MVS the scene geometry, camera position and orientations are automatically determined by a bundle adjustment, an iterative procedure based on a set of overlapping images. It is considered a low-cost technique in terms of hardware and software, also being able to provide point density and accuracy on par to the ones obtained withTerrestrial Laser Scanning. The results acquired on this research have good agreement with previous works, yielding a NNW main orientation for the dikes measured in the field and on the 3D model. The development of this work showed that SfM-MVS use and practice on geosciences still needs more studies on the optimization of the involved parameters (such as camera orientation, image overlap and angle of illumination), which, when accomplished, will result in less processing time and more accurate models. |
topic |
clastic dikes structure from motion digital outcrop model photogrammetry structural geology |
url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2317-48892018000400839&lng=en&tlng=en |
work_keys_str_mv |
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