Iterative Structural and Functional Synergistic Resolution Recovery (iSFS-RR) Applied to PET-MR Images in Epilepsy
Structural Functional Synergistic Resolution Recovery (SFS-RR) is a technique that uses supplementary structural information from MR or CT to improve the spatial resolution of PET or SPECT images. This wavelet-based method may have a potential impact on the clinical decision-making of brain focal di...
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| Veröffentlicht in: | IEEE transactions on nuclear science 2016-10, Vol.63 (5), p.2434-2442 |
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| creator | Silva-Rodriguez, J. Cortes, J. Rodriguez-Osorio, X. Lopez-Urdaneta, J. Pardo-Montero, J. Aguiar, P. Tsoumpas, C. |
| description | Structural Functional Synergistic Resolution Recovery (SFS-RR) is a technique that uses supplementary structural information from MR or CT to improve the spatial resolution of PET or SPECT images. This wavelet-based method may have a potential impact on the clinical decision-making of brain focal disorders such as refractory epilepsy, since it can produce images with better quantitative accuracy and enhanced detectability. In this work, a method for the iterative application of SFS-RR (iSFS-RR) was firstly developed and optimized in terms of convergence and input voxel size, and the corrected images were used for the diagnosis of 18 patients with refractory epilepsy. To this end, PET/MR images were clinically evaluated through visual inspection, atlas-based asymmetry indices (AIs) and SPM (Statistical Parametric Mapping) analysis, using uncorrected images and images corrected with SFS-RR and iSFS-RR. Our results showed that the sensitivity can be increased from 78% for uncorrected images, to 84% for SFS-RR and 94% for the proposed iSFS-RR. Thus, the proposed methodology has demonstrated the potential to improve the management of refractory epilepsy patients in the clinical routine. |
| doi_str_mv | 10.1109/TNS.2016.2527826 |
| format | Article |
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(IEEE) 2016</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c399t-ec97301f49207a74ebb7f10f638ffc8dfc7f38c6696690f6dde2acb9a11cfece3</citedby><cites>FETCH-LOGICAL-c399t-ec97301f49207a74ebb7f10f638ffc8dfc7f38c6696690f6dde2acb9a11cfece3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/7511661$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/7511661$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Silva-Rodriguez, J.</creatorcontrib><creatorcontrib>Cortes, J.</creatorcontrib><creatorcontrib>Rodriguez-Osorio, X.</creatorcontrib><creatorcontrib>Lopez-Urdaneta, J.</creatorcontrib><creatorcontrib>Pardo-Montero, J.</creatorcontrib><creatorcontrib>Aguiar, P.</creatorcontrib><creatorcontrib>Tsoumpas, C.</creatorcontrib><title>Iterative Structural and Functional Synergistic Resolution Recovery (iSFS-RR) Applied to PET-MR Images in Epilepsy</title><title>IEEE transactions on nuclear science</title><addtitle>TNS</addtitle><description>Structural Functional Synergistic Resolution Recovery (SFS-RR) is a technique that uses supplementary structural information from MR or CT to improve the spatial resolution of PET or SPECT images. 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Thus, the proposed methodology has demonstrated the potential to improve the management of refractory epilepsy patients in the clinical routine.</description><subject>Convulsions & seizures</subject><subject>Epilepsy</subject><subject>image processing</subject><subject>Image resolution</subject><subject>Image segmentation</subject><subject>Magnetic resonance imaging</subject><subject>partial volume correction</subject><subject>PET-MR</subject><subject>Positron emission tomography</subject><subject>Protocols</subject><subject>Surgery</subject><issn>0018-9499</issn><issn>1558-1578</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kF1LwzAUhoMoOKf3gjcBb_SiM6dt2uZSZNPB_GCd1yVLT0ZGbWuSDvbvzdgQDpyv9z1wHkJugU0AmHhafZSTmEE2iXmcF3F2RkbAeREBz4tzMmIMikikQlySK-e2oU054yNi5x6t9GaHtPR2UH6wsqGyrelsaJU3XRvact-i3RjnjaJLdF0zHBahVN0O7Z4-mHJWRsvlI33u-8ZgTX1Hv6ar6H1J5z9yg46alk5702Dv9tfkQsvG4c0pj8n3bLp6eYsWn6_zl-dFpBIhfIRK5AkDnYqY5TJPcb3ONTCdJYXWqqi1ynVSqCwTIcK4rjGWai0kgNKoMBmT--Pd3na_AzpfbbvBhn9cBUUCLOap4EHFjiplO-cs6qq35kfafQWsOpCtAtnqQLY6kQ2Wu6PFIOK_POcAWQbJH4sndas</recordid><startdate>201610</startdate><enddate>201610</enddate><creator>Silva-Rodriguez, J.</creator><creator>Cortes, J.</creator><creator>Rodriguez-Osorio, X.</creator><creator>Lopez-Urdaneta, J.</creator><creator>Pardo-Montero, J.</creator><creator>Aguiar, P.</creator><creator>Tsoumpas, C.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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This wavelet-based method may have a potential impact on the clinical decision-making of brain focal disorders such as refractory epilepsy, since it can produce images with better quantitative accuracy and enhanced detectability. In this work, a method for the iterative application of SFS-RR (iSFS-RR) was firstly developed and optimized in terms of convergence and input voxel size, and the corrected images were used for the diagnosis of 18 patients with refractory epilepsy. To this end, PET/MR images were clinically evaluated through visual inspection, atlas-based asymmetry indices (AIs) and SPM (Statistical Parametric Mapping) analysis, using uncorrected images and images corrected with SFS-RR and iSFS-RR. Our results showed that the sensitivity can be increased from 78% for uncorrected images, to 84% for SFS-RR and 94% for the proposed iSFS-RR. 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| subjects | Convulsions & seizures Epilepsy image processing Image resolution Image segmentation Magnetic resonance imaging partial volume correction PET-MR Positron emission tomography Protocols Surgery |
| title | Iterative Structural and Functional Synergistic Resolution Recovery (iSFS-RR) Applied to PET-MR Images in Epilepsy |
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