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Conference Paper: A Practical stopping Criterion for Iterative Non-Cartesian SENSE Reconstruction
Title | A Practical stopping Criterion for Iterative Non-Cartesian SENSE Reconstruction |
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Authors | |
Issue Date | 2006 |
Publisher | The 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? |
Abstract | In 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 Identifier | http://hdl.handle.net/10722/99181 |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Qu, P | en_HK |
dc.contributor.author | Zhong, K | en_HK |
dc.contributor.author | Zhang, B | en_HK |
dc.contributor.author | Wang, J | en_HK |
dc.contributor.author | Shen, GG | en_HK |
dc.date.accessioned | 2010-09-25T18:19:08Z | - |
dc.date.available | 2010-09-25T18:19:08Z | - |
dc.date.issued | 2006 | en_HK |
dc.identifier.citation | The International Society for Magnetic Resonance in Medicine 14th Scientific Meeting & Exhibition (ISMRM2006). Seattle, WA, 6-12 May 2006, p. 2458 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/99181 | - |
dc.description.abstract | In 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.language | eng | en_HK |
dc.publisher | The International Society for Magnetic Resonance in Medicine (ISMRM) | - |
dc.relation.ispartof | The International Society for Magnetic Resonance in Medicine Scientific Meeting & Exhibition (ISMRM) | en_HK |
dc.title | A Practical stopping Criterion for Iterative Non-Cartesian SENSE Reconstruction | en_HK |
dc.type | Conference_Paper | en_HK |
dc.identifier.email | Shen, GG: gxshen@eee.hku.hk | en_HK |
dc.identifier.authority | Shen, GG=rp00166 | en_HK |
dc.description.nature | published_or_final_version | - |
dc.identifier.hkuros | 121286 | en_HK |
dc.identifier.spage | 2458 | en_HK |