Re: [Freesurfer] bias field compute & apply

2009-11-23 Thread Bruce Fischl
Hi Chris, the valid options to mri_compute_bias are: -s- size of smoothing kernel (default = 4) -n - normalize bias field to have mean=1 it will automatically use the ratio of the T1.mgz/orig.mgz to compute the bias field. mri_apply_bias doesn't take any options. You probably wan

[Freesurfer] bias field compute & apply

2009-11-23 Thread Chris Hyatt
Hi, In a recent Freesurfer mailing list question, someone asked how they could correct temporal lobe intensity normalization problems for a large number of subjects without having to add control points for every subject (very time consuming). The recommendation from Bruce Fischl was: " On