GaussFitMain.m
Main program for GaussFit
selMdStat2.m
Calculate AIC and F-test for each model
selMdSelect.m
select the best fitting model
GaussPhaseAmpPlot.m
Plot distribution of orientation and amplitude based on Gauss fitting
GaussVoxelInfo.m
According to the result of Gaussian fitting, save voxel coord, amp, and preferred orientation