Photogrammetry-based Texture Analysis of a Volcaniclastic Outcrop-peel: Low-cost Alternative to TLS and Automation Potentialities using Haar Wavelet and Spatial-Analysis Algorithms

Forum Geografi

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Field Value
 
Title Photogrammetry-based Texture Analysis of a Volcaniclastic Outcrop-peel: Low-cost Alternative to TLS and Automation Potentialities using Haar Wavelet and Spatial-Analysis Algorithms
 
Creator Gomez, Christopher
Kataoka, Kyoko
Saputra, Aditya
Wassmer, Patrick
Urabe, Atsushi
Morgenroth, Justin
Kato, Akira
 
Subject volcanic sedimentology; geomorphology; photogrammetry; volcanology
Structure-from-Motion; Wavelet-decomposition; Surface Roughness; GIS; Close-range Remote Sensing;

 
Description Numerous progress has been made in the field of applied photogrammetry in the last decade, including the usage of close-range photogrammetry as a mean of conservation and record of outcrops. In the present contribution, we use the SfM-MVS method combined with a wavelet decomposition analysis of the surface, in order to relate it to morphological and surface roughness data. The results demonstrated that wavelet decomposition and RMS could provide a rapid insight on the location of coarser materials and individual outliers, while arithmetic surface roughness were more useful to detect units or layers that are similar on the outcrop. The method also emphasizes the fact that the automation of the process does not allows clear distinction between any artefact crack or surface change and that human supervision is still essential despite the original goal of automating the outcrop surface analysis.
 
Publisher Universitas Muhammadiyah Surakarta
 
Contributor
 
Date 2017-07-01
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion

Structure from Motion Photogrammetry
 
Format application/pdf
text/html
 
Identifier http://journals.ums.ac.id/index.php/fg/article/view/3977
10.23917/forgeo.v31i1.3977
 
Source Forum Geografi; Vol 31, No 1 (2017): July 2017; 16 - 27
2460-3945
0852-0682
 
Language eng
 
Relation http://journals.ums.ac.id/index.php/fg/article/view/3977/3251
http://journals.ums.ac.id/index.php/fg/article/view/3977/2870
 
Coverage Japan
Quaternary

 
Rights Copyright (c) 2017 Christopher Gomez, Kyoko Kataoka, Aditya Saputra, Patrick Wassmer, Atsushi Urabe, Justin Morgenroth, Akira Kato
http://creativecommons.org/licenses/by-nc-nd/4.0
 

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