Re: [Freesurfer] using mris_ca_train

2018-10-13 Thread Bruce Fischl
Hi Maedeh the number of subjects depends on the variability of whatever you are training. I know Christophe found that a surprisingly small number of subjects (around 15) was sufficient to capture major folding variability, but of course small and rare features might have been washed out and w

[Freesurfer] using mris_ca_train

2018-10-12 Thread Maedeh Khalilian
External Email - Use Caution Dear Freesurfer experts, I have a question, does the number of input subjects matter in using "mris_ca_train" or not? i mean does it affect the results?(maybe the more subjects, the better result) and if yes, what is an approximate number? and the sec