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Title: PHOTOGRAMMETRY AND WAVELET ANALYSIS AS APPLIED TO 3D MODELING OF LAMINATED CLAYS
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PHOTOGRAMMETRY AND WAVELET ANALYSIS AS APPLIED TO 3D MODELING OF LAMINATED CLAYS
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1314-2704
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English
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19
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1.4
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The aim of this project was to create a detailed 3D model of Permian clay laminations. Modern image processing methods and wavelet analysis were used for 3D visualization, identification of the nature of laminations and calculation of mean and interval sedimentation rates.
The images used in this project are the photographs of a clay sample taken from an outcrop of ?linguloid? clays. First, two faces of the sample were sanded and polished to the shine. Then the polished surfaces were scanned and photographed. Image resolution was 1200 dpi. The scans and photographs were used to create a 3D model through wavelet analysis, ArcGIS 10.4 visualization tools and photogrammetry. The model became not only a detailed 3D visualization of the sample, but also provided an opportunity for determination of quantitative characteristics of individual sedimentation cycles and microcycles. Data loss during the automatic procedure of identifying the laminations did not exceed 5%. Spectral analysis of the layer pair thickness showed harmonics with periods that are multiple of 11, which indicates the seasonal nature of the lamination and provides an opportunity for determination of the sedimentation rate. The sedimentation rate was estimated at 0.15 mm per year, which differs significantly from the estimates obtained earlier. |
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conference
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19th International Multidisciplinary Scientific GeoConference SGEM 2019
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19th International Multidisciplinary Scientific GeoConference SGEM 2019, 9 - 11 December, 2019
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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59-66
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9 - 11 December, 2019
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website
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cdrom
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6585
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sedimentation cycle; laminated clays; image processing; wavelet; 3D model; photogrammetry.
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