Identification of discontinuous coefficients in elliptic problems using total variation regularization

We propose several formulations for recovering discontinuous coefficients in elliptic problems by using total variation (TV) regularization. The motivation for using TV is its well-established ability to recover sharp discontinuities. We employ an augmented Lagrangian variational formulation for sol...

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书目详细资料
Main Authors: Chan, Tony F., Tai, Xue Cheng
其他作者: School of Physical and Mathematical Sciences
格式: Journal Article
语言:English
出版: 2009
主题:
在线阅读:https://hdl.handle.net/10356/102806
http://hdl.handle.net/10220/4605
http://sfxna09.hosted.exlibrisgroup.com:3410/ntu/sfxlcl3?sid=metalib:ISI_WOS_XML&id=doi:&genre=&isbn=&issn=1064-8275&date=2003&volume=25&issue=3&spage=881&epage=904&aulast=Chan&aufirst=%20TF&auinit=TF&title=SIAM%20JOURNAL%20ON%20SCIENTIFIC%20COMPUTING&atitle=Identification%20of%20discontinuous%20coefficients%20in%20elliptic%20problems%20using%20total%20variation%20regularization