[FieldTrip] Fwd: segmentation and individual grids

[jan-mathijs schoffelen]

Hi Fred,

I forwarded your question to the list, so that other people get the opportunity to answer, and/or benefit from the answer ;-).

JM


Begin forwarded message:

> From: Frederic Roux <fredericroux at hotmail.de>
> Date: March 29, 2012 4:05:18 PM GMT+02:00
> To: <fieldtrip at donders.ru.nl>, <jan.schoffelen at donders.ru.nl>, <ali at cs.ru.nl>
> Subject: segmentation and individual grids
> Reply-To: <fredericrouxw at gmail.com>
> 
> Dear Ali, Dear JM,
> 
> thanks a lot for your help.
> 
> According to your suggestions I have modified
> my code as following:
> 
> mri = ft_read_mir('MRI_FILE_V2.mri');
> 
> cfg = [];
> cfg.downsample = 2;
> cfg.coordsys = 'ctf';
> 
> mri = ft_volume_downsample(cfg,mri);
> 
> cfg = [];
> cfg.coordsys = 'ctf';
> seg = ft_volumesegment(cfg,mri);
> seg.anatomy = mri.anatomy;
> 
> Now the comparison of the segmented volumes and the MRI look fine,
> but it seems that there is still a problem when I compute the individual grids (see attached figure).
> 
> I am also attaching the code I am using.
> 
> Would be great if you could help me to get this working.
> 
> Fred
> 
> -- 
> Frédéric Roux, PhD student
> Department of Neurophysiology
> Max Planck Institute for Brain Research
> D-60529 Frankfurt am Main
> Frederic.Roux at brain.mpg.de
> +49(0)69630183225
> 
> 

Jan-Mathijs Schoffelen, MD PhD 

Donders Institute for Brain, Cognition and Behaviour, 
Centre for Cognitive Neuroimaging,
Radboud University Nijmegen, The Netherlands

Max Planck Institute for Psycholinguistics,
Nijmegen, The Netherlands

J.Schoffelen at donders.ru.nl
Telephone: +31-24-3614793

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