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Abstract #4485

Transforming grids to shells and vice versa: an evaluation of interpolation methods in diffusion MRI q- and b-space

Chantal M.W. Tax 1 , Sjoerd B. Vos 1 , Max A. Viergever 1 , Martijn Froeling 2 , and Alexander Leemans 1

1 Image Sciences Institute, University Medical Center Utrecht, Utrecht, Utrecht, Netherlands, 2 Department of Radiology, University Medical Center Utrecht, Utrecht, Utrecht, Netherlands

Interpolation in q- or b-space can be used to convert between different sampling patterns (e.g. from multi shell to grid as in hybrid diffusion imaging) to be able to compare between diffusion MRI reconstruction methods, or to detect and correct for artifacts, amongst others. In this work we perform a comparison between different interpolation methods (i.e. nearest neighbor, linear, cubic and model based) in q- and b-space, on simulated data.

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