Anisotropic resistivity reconstruction with virtual resistive network and Faraday's law. = 가상 저항 네트워크 와 Faraday’s law를 활용 한 이방성 저항의 복구.

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The reconstruction of resistivity tensor algorithm in two space dimension was introduced. The mimetic type discretization provided a virtual resistive networks for anisotropic resistivity body. The Faraday's law was considered, which allowed us the local reconstruction algorithm, and it used a right amount of current densities. The reconstruction algorithm was explicit and local. There were two issues of reconstruction algorithm. The first one was the singularity of coefficient matrix of reconstruction relation. We studied the singular property of the isotropic, orthotropic and anisotropic cases. We resolved the singularity issue using a network structure. The second issue was noise stirpes caused by characteristic lines. The noise stirpes phenomena is an intrinsic property of hyperbolic type problem. To overcome the noise effect we designed a denoising method using a property of the reconstruction algorithm.
Advisors
Kim, Yong-Jungresearcher김용정researcher
Description
한국과학기술원 :수리과학과,
Publisher
한국과학기술원
Issue Date
2016
Identifier
325007
Language
eng
Description

학위논문(박사) - 한국과학기술원 : 수리과학과, 2016.8 ,[v, 57 p. :]

Keywords

Anisotropic resistivity; resistive network; reconstruction algorithm; MREIT; current-density imasing; 이방성 저항; 저항 네트워크; 복원 알고리듬; CDI

URI
http://hdl.handle.net/10203/222193
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=663135&flag=dissertation
Appears in Collection
MA-Theses_Ph.D.(박사논문)
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