Extrapolation-Based References Improve Motion and Eddy-Current Correction of High B-Value DWI Data: Application in Parkinson's Disease Dementia.

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Abstract

Conventional motion and eddy-current correction, where each diffusion-weighted volume is registered to a non diffusion-weighted reference, suffers from poor accuracy for high b-value data. An alternative approach is to extrapolate reference volumes from low b-value data. We aim to compare the performance of conventional and extrapolation-based correction of diffusional kurtosis imaging (DKI) data, and to demonstrate the impact of the correction approach on group comparison studies.

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  • Radiology, Nuclear Medicine and Medical Imaging
Original languageEnglish
Article numbere0141825
JournalPLoS ONE
Volume10
Issue number11
Publication statusPublished - 2015
Publication categoryResearch
Peer-reviewedYes