1. s_GDSI_tutorial.m
Step-by-step GDSI reconstruction of diffusion PDF and ODF from multishell voxel data in MATLAB.
2. shelldens.m
MATLAB function to compute sampling density nonuniformity correction factor for multishell geometry.
Refereces
[1] Tian Q, Yang G, Leuze C, Rokem A, Edlow BL, McNab JA. Generalized Diffusion Spectrum Magnetic Resonance Imaging (GDSI) for Model-free Reconstruction of the Ensemble Average Propagator. NeuroImage, 2019; 189: 497-515.
[2] Tian Q, Rokem A, Folkerth RD, Nummenmaa A, Fan Q, Edlow BL, McNab JA. Q-Space Truncation and Sampling in Diffusion Spectrum Imaging. Magnetic Resonance in Medicine, 2016; 76(6): 1750-1763.