Hi Satra
On 7 Oct 2014, at 15:41, Satrajit Ghosh <[log in to unmask]> wrote:
> hi all,
>
> we have a 4 shell dataset that we are trying to analyze (details below). are there any recommended options of bedpostx_gpu to deal with such multi-shell datasets?
>
> are there other things we should tweak? (including any hidden options)
You need to use -model=2, which implements the following model:
http://onlinelibrary.wiley.com/doi/10.1002/mrm.24204/abstract
Also, you can use the —rician flag to account for Rician (vs the default Gaussian) noise models.
> and are the options for bedpostx_gpu completely matched to that for xfibres?
Yes.
Cheers
Stam
|