NDLI: Highlighting display of geologic bodies based on directivity filtering

Content Provider	Springer Nature Link
Author	Wen, Xiao Tao He, Zhen Hua Huang, De Ji Chen, Xue Hua
Copyright Year	2011
Abstract	To make a geologic body more outstanding, it is necessary to preserve edges when filtering. For this reason, a filtering method based on anisotropic diffusion is introduced. The key point of this method is that diffusion filtering will be made along the edge while diffusion is forbidden in the direction perpendicular to the edge, so the filtering has directionality. When doing anisotropic diffusion filtering, parameters like diffusion coefficient and threshold have great impacts on the results, so the anisotropic diffusion model parameters are discussed, the diffusion coefficient equation is introduced, and the diffusion threshold selection criterion is derived and analyzed. In addition, this method was used with the diffusion coefficient equation’s proper diffusion threshold to highlight the tidal channel geobodies in the XX area, sand body in the YY area, and faults in the ZZ area. The good delineation results prove that the diffusion threshold selection criterion introduced in this paper is reasonable.
Starting Page	355
Ending Page	362
Page Count	8
File Format	PDF
ISSN	16727975
Journal	Applied Geophysics
Volume Number	8
Issue Number	4
e-ISSN	19930658
Language	English
Publisher	Chinese Geophysical Society
Publisher Date	2011-12-29
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	geologic body directivity filtering diffusion coefficient diffusion threshold Geophysics/Geodesy Geotechnical Engineering & Applied Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Geophysics

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