Re: [Freesurfer] Rat template creation: MRIstripskull failed

2008-10-23 Thread Mark Bouts
Hi, Ok, I will look into inverting the image as Martin suggested. Is there some background info available on how to put the segmentation input into the surface-based analysis. In case the inversion doesn't work. I'm particularly wondering if I need to have the images in *.mgz file format or

Re: [Freesurfer] Rat template creation: MRIstripskull failed

2008-10-20 Thread Bruce Fischl
Hi Mark, if wm is darker than gm our tools probably will not work. You might try using the FSL segmentation tools and putting the output of them through our stream for surface-based analysis. cheers, Bruce On Mon, 20 Oct 2008, Mark Bouts wrote: Hi, I'm trying to set up a rat brain

Re: [Freesurfer] Rat template creation: MRIstripskull failed

2008-10-20 Thread Martin Kavec
Mark, once I had a similar problem on an autopsied brain, where it was very difficult to obtain an MPRAGE-like contrast. So instead, I acquired T2-weighted and inverted it. This gave me contrast very similar to MPRAGE, though my analysis failed anyway, due to too strong bias field. So you