MRI fast tree log scanning with helical undersampled projection acquisitions

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dc.contributor.authorContreras, I
dc.contributor.authorGuesalga, A
dc.contributor.authorFernandez, MP
dc.contributor.authorGuarini, M
dc.contributor.authorIrarrazaval, P
dc.date.accessioned2024-01-10T12:11:17Z
dc.date.available2024-01-10T12:11:17Z
dc.date.issued2002
dc.description.abstractMagnetic Resonance Imaging opens an alternative way to analyze wood structures using a non-destructive technology. It provides high resolution, compound-based contrast manipulation and increased data acquisition flexibility. The technique is particularly useful for tree logs, since they present several characteristics that can be used to reduce the long scan time. This study proposes a method that takes advantage of the log cylindrical symmetry, acquiring transverse 1-D projections with a helical and undersampled pattern. Linear interpolation is used to estimate the skipped data and slice images are reconstructed by filtered backprojection. The sequence is improved using selective multi-pass scanning, without major variations of the scan time. Computer simulations and experimental results show that the proposed technique can increase the scan speed by a factor of 6, while maintaining the ability to identify typical tree log characteristics. (C) 2002 Elsevier Science Inc. All rights reserved.
dc.fechaingreso.objetodigital2024-04-11
dc.format.extent7 páginas
dc.fuente.origenWOS
dc.identifier.doi10.1016/S0730-725X(02)00602-1
dc.identifier.issn0730-725X
dc.identifier.pubmedidMEDLINE:12591574
dc.identifier.urihttps://doi.org/10.1016/S0730-725X(02)00602-1
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/76644
dc.identifier.wosidWOS:000181157300010
dc.information.autorucFacultad de Ingeniería; Irarrazaval Mena, Pablo; S/I; 57376
dc.issue.numero10
dc.language.isoen
dc.nota.accesocontenido parcial
dc.pagina.final787
dc.pagina.inicio781
dc.publisherELSEVIER SCIENCE INC
dc.revistaMAGNETIC RESONANCE IMAGING
dc.rightsacceso restringido
dc.subjectwood scanning
dc.subjecthelical
dc.subjectprojection reconstruction
dc.subjectRESONANCE
dc.subjectRECONSTRUCTION
dc.subjectTOMOGRAPHY
dc.subjectREDUCTION
dc.subjectALGORITHM
dc.subjectWOOD
dc.subjectMAP
dc.subjectCT
dc.titleMRI fast tree log scanning with helical undersampled projection acquisitions
dc.typeartículo
dc.volumen20
sipa.codpersvinculados57376
sipa.indexWOS
sipa.indexPubmed
sipa.trazabilidadCarga SIPA;09-01-2024
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