Spectral principal axes system (SPAS) and tuning of tensor-valued encoding for time-dependent anisotropic diffusion

Abstrakt

Tensor-valued diffusion encoding can be confounded by time-dependent diffusion (TDD). Matching sensitivity to TDD or tuning of b-tensors with different shapes is needed for unbiased microstructure assessment. We present a method for tuning linear tensor encoding (LTE) to spherical tensor encoding (STE), which could be optimized for different hardware constraints. Furthermore, we introduce the spectral principle axes system (SPAS), representing spectral anisotropy of STE. The SPAS LTEs could provide an alternative to tuning and enable disentangling effects of microscopic anisotropy and TDD, useful to correlate cell shape and size.
OriginalsprogEngelsk
Publikationsdato12 maj 2022
StatusUdgivet - 12 maj 2022
BegivenhedJoint Annual Meeting ISMRM-ESMRMB & ISMRT 31st Annual Meeting - London, Englnd, UK
Varighed: 7 maj 202212 maj 2022
https://www.ismrm.org/22m/

Konference

KonferenceJoint Annual Meeting ISMRM-ESMRMB & ISMRT 31st Annual Meeting
LokationLondon, Englnd, UK
Periode07/05/202212/05/2022
Internetadresse

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