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- Bartosz P. Neuman, Christopher R. Tench, Li Bai
- MIUA
- 2011

This paper describes an automated model selection method for analysing the relationship between the order of the spherical harmonic basis functions used to fit high angular resolution diffusion imaging (HARDI) data and the accuracy of the fitting results. The method performs statistical inference on the spherical harmonic expansion coefficients and uses a… (More)

- Bartosz P. Neuman, Christopher R. Tench, Li Bai
- ISBI
- 2012

In this paper we present a novel approach to extracting fibre orientation information from the diffusion signal. We start the process by expanding the diffusion signal using spherical harmonics (SH) basis. In theory, this could lead to a mapping between SH coefficients and fibre orientations. In practice, finding such a mapping is non-trivial. Instead, we… (More)

In diffusion magnetic resonance imaging, images sensitised to water diffusion are acquired by applying magnetic field gradients in different directions. In order to reduce the scanning time so that the procedure is clinically plausible, it is necessary to limit the number of directions, and thus the spatial and angular resolution of the image. Missing data… (More)

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