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Conference Paper: A Practical stopping Criterion for Iterative Non-Cartesian SENSE Reconstruction

TitleA Practical stopping Criterion for Iterative Non-Cartesian SENSE Reconstruction
Authors
Issue Date2006
PublisherThe International Society for Magnetic Resonance in Medicine (ISMRM)
Citation
The International Society for Magnetic Resonance in Medicine 14th Scientific Meeting & Exhibition (ISMRM2006). Seattle, WA, 6-12 May 2006, p. 2458 How to Cite?
AbstractIn non-Cartesian SENSE reconstruction based on conjugate gradient (CG) iteration method, the iteration very often exhibits a ¡ semi-convergence¡± behavior which can be characterized as initial convergence towards the exact solution and later divergence. This phenomenon makes a suitable stopping criterion very critical for automatic implementation of this reconstruction strategy. In this study a practical stopping rule for iterative SENSE reconstruction is proposed. By monitoring the residual norm along the iteration, this stopping criterion can automatically stop the process where artifact and SNR are well compromised and good overall image quality are achieved.
Persistent Identifierhttp://hdl.handle.net/10722/99181

 

DC FieldValueLanguage
dc.contributor.authorQu, Pen_HK
dc.contributor.authorZhong, Ken_HK
dc.contributor.authorZhang, Ben_HK
dc.contributor.authorWang, Jen_HK
dc.contributor.authorShen, GGen_HK
dc.date.accessioned2010-09-25T18:19:08Z-
dc.date.available2010-09-25T18:19:08Z-
dc.date.issued2006en_HK
dc.identifier.citationThe International Society for Magnetic Resonance in Medicine 14th Scientific Meeting & Exhibition (ISMRM2006). Seattle, WA, 6-12 May 2006, p. 2458en_HK
dc.identifier.urihttp://hdl.handle.net/10722/99181-
dc.description.abstractIn non-Cartesian SENSE reconstruction based on conjugate gradient (CG) iteration method, the iteration very often exhibits a ¡ semi-convergence¡± behavior which can be characterized as initial convergence towards the exact solution and later divergence. This phenomenon makes a suitable stopping criterion very critical for automatic implementation of this reconstruction strategy. In this study a practical stopping rule for iterative SENSE reconstruction is proposed. By monitoring the residual norm along the iteration, this stopping criterion can automatically stop the process where artifact and SNR are well compromised and good overall image quality are achieved.-
dc.languageengen_HK
dc.publisherThe International Society for Magnetic Resonance in Medicine (ISMRM)-
dc.relation.ispartofThe International Society for Magnetic Resonance in Medicine Scientific Meeting & Exhibition (ISMRM)en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleA Practical stopping Criterion for Iterative Non-Cartesian SENSE Reconstructionen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailShen, GG: gxshen@eee.hku.hken_HK
dc.identifier.authorityShen, GG=rp00166en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.hkuros121286en_HK
dc.identifier.spage2458en_HK

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