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BIAS FIELD & SLAB BOUNDARY CORRECTION



When we tried to acquired high resolution MRI data from ex vivo samples using our 3T Siemens Trio scanner, we had problems in the image reconstruction step because the system ran out of memory. A way around this problem is to use multi-slab acquisition, but this technique introduces slab boundary artifacts (SBA). Since SBA interplays heavily with the bias field artifact, we put together some Matlab code that corrects both artifacts simultaneously.

You can download the publication here:

Iglesias JE, Paz-Alonso PM, Lerma-Usabiaga G, Insausti R, Miller K, Caballero-Gaudes C: "Simultaneous Bayesian correction of slab boundary artifacts and bias field for high resolution ex vivo MRI", ISBI 2016, accepted.

The Matlab code can be downloaded And the Matlab code from here or from the link at the bottom of this page.
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CorrectBiasAndSlabBoundarySimultaneously.m
(7k)
Juan Eugenio Iglesias,
Feb 16, 2016, 5:46 AM
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