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- W2017543302 abstract "Functional magnetic resonance imaging (fMRI) based on multiple-echo T(2)* mapping has attracted much attention recently. The contrasts in the parametric T(2)* maps are usually too low to allow direct image registration. In this study, an image registration strategy has been proposed for single-shot multi-echo data sets acquired for dynamic T(2)* mapping. We performed image registration of the T(2)*-weighted images before the calculation of the T(2)* parameter maps using two different strategies. One is to perform separate image registration on each echo and the other is to use the same motion correction parameters extracted from the second echo for all the data. Both strategies increase the number of activated voxels and reduce the effective noise level. The results also indicate that, for a single-shot dual-echo image data set, it is slightly preferable to use the second echo for direct image registration and then apply the same motion correction parameters to the first echo images. J. Magn. Reson Imaging 1999;10:154-158." @default.
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- W2017543302 date "1999-08-01" @default.
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- W2017543302 title "An image registration strategy for multi-echo fMRI" @default.
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- W2017543302 doi "https://doi.org/10.1002/(sici)1522-2586(199908)10:2<154::aid-jmri7>3.0.co;2-8" @default.
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