[Camino-users] I: PICo - qball

[Daniel Alexander]

Normally you would have some b=0 entries in the schemefile.

The sfpeaks man page suggests some settings for density and searchradius in the Examples section.  I would start with those.

Re spherical deconvolution, you are right.  Again, check the man page as you can speed up mesd alot by using the -fastmesd and -mepointset options.

Camino does not implement the standard DSI reconstruction of the diffusion ODF.  If you reconstruct the ODF with some other software, you could potentially import it into camino to use sfpeaks and probabilistic tractography, but you would need to convert to the right file format.

All the best.

Danny


On 4 Jun 2012, at 10:28, Curci Marina Carmela wrote:

> Good morning,
> 
> I need your help, again!!
> 
> I'm trying to apply PICo to a qball data set: I run the command qballmx with 256 radial basis functions, followed by linrecon command. First question: in the scheme file will I not have zero measurements (b0)?
> 
> Now I have to run sfpeaks command and I would like to have some suggestions about density and searchradius parameters. How to set them with my dataset, in your opinion? And what about the computational time?
> 
> If I want to do the same thing with shperical deconvolution, I will run mesd command and then sfpeaks. Is it right?
> 
> Are there some solutions for DSI data set? Is it possible to run probabilistic tractography on DSI data set?
> 
> Waiting for your answers,
> I want to thank you for your helpfulness,
> Marina
> 
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