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Add Norm and Mode of Anisotropy (NA and MO)#3269

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kikiluvbrains wants to merge 11 commits intoMRtrix3:devfrom
kikiluvbrains:add_mo
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Add Norm and Mode of Anisotropy (NA and MO)#3269
kikiluvbrains wants to merge 11 commits intoMRtrix3:devfrom
kikiluvbrains:add_mo

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@kikiluvbrains kikiluvbrains commented Feb 19, 2026

Adds NA and MO as an output option in tensor2metric. Verified using the provided test data and an external DTI dataset.

paper link: Ennis, D. B., & Kindlmann, G. (2006). Orthogonal tensor invariants and the analysis of diffusion tensor magnetic resonance images. Magnetic resonance in medicine, 55(1), 136–146. https://doi.org/10.1002/mrm.20741

other supporting literature:
Chad, J. A., Pasternak, O., & Chen, J. J. (2021). Orthogonal moment diffusion tensor decomposition reveals age-related degeneration patterns in complex fiber architecture. Neurobiology of aging, 101, 150–159. https://doi.org/10.1016/j.neurobiolaging.2020.12.020

example of mo on example dti data:
image

@kikiluvbrains kikiluvbrains changed the title Add mo Add Norm and Mode of Anisotropy (NA and MO) Feb 24, 2026
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4 participants