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Conference Paper: Comparison of the main forms of half-quadratic regularization

TitleComparison of the main forms of half-quadratic regularization
Authors
KeywordsComputers
Computer graphics
Issue Date2002
PublisherIEEE.
Citation
International Conference on Image Processing Proceedings, New York, USA, 22-25 September 2002, v. 1, p. 349-352 How to Cite?
AbstractWe consider the reconstruction of images by minimizing regularized cost-functions. To accelerate the computation of the estimate, two forms of half-quadratic regularization, multiplicative and additive, are often used. The goal of this paper is to compare both theoretically and experimentally the efficiency of these two forms. We provide a theoretical and experimental analysis of the speed of convergence that they allow. We show that the multiplicative form gives rise to a better rate of convergence.
Persistent Identifierhttp://hdl.handle.net/10722/46608
ISSN

 

DC FieldValueLanguage
dc.contributor.authorNikolova, Men_HK
dc.contributor.authorNg, KPen_HK
dc.date.accessioned2007-10-30T06:54:05Z-
dc.date.available2007-10-30T06:54:05Z-
dc.date.issued2002en_HK
dc.identifier.citationInternational Conference on Image Processing Proceedings, New York, USA, 22-25 September 2002, v. 1, p. 349-352en_HK
dc.identifier.issn1522-4880en_HK
dc.identifier.urihttp://hdl.handle.net/10722/46608-
dc.description.abstractWe consider the reconstruction of images by minimizing regularized cost-functions. To accelerate the computation of the estimate, two forms of half-quadratic regularization, multiplicative and additive, are often used. The goal of this paper is to compare both theoretically and experimentally the efficiency of these two forms. We provide a theoretical and experimental analysis of the speed of convergence that they allow. We show that the multiplicative form gives rise to a better rate of convergence.en_HK
dc.format.extent327978 bytes-
dc.format.extent4654 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherIEEE.en_HK
dc.rights©2002 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectComputersen_HK
dc.subjectComputer graphicsen_HK
dc.titleComparison of the main forms of half-quadratic regularizationen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1522-4880&volume=1&spage=349&epage=352&date=2002&atitle=Comparison+of+the+main+forms+of+half-quadratic+regularizationen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/ICIP.2002.1038032en_HK
dc.identifier.hkuros76679-

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