Tabelow, K; Mohammadi, S; Weiskopf, N; Polzehl, J; (2015) POAS4SPM: a toolbox for SPM to denoise diffusion MRI data. Neuroinformatics , 13 (1) 19 - 29. 10.1007/s12021-014-9228-3.

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Abstract

We present an implementation of a recently developed noise reduction algorithm for dMRI data, called multi-shell position orientation adaptive smoothing (msPOAS), as a toolbox for SPM. The method intrinsically adapts to the structures of different size and shape in dMRI and hence avoids blurring typically observed in non-adaptive smoothing. We give examples for the usage of the toolbox and explain the determination of experiment-dependent parameters for an optimal performance of msPOAS.

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