> From: Russ Poldrack <[log in to unmask]>
> Hi folks - I have created a project page on sourceforge.net for the
> development of SPM toolboxes. For those of you who aren't familiar with
> sourceforge.net, it's a site that provides hosting for open source
> development projects. The primary feature is a web-accessible
> concurrent versions system (CVS) server, which allows multiple
> developers to work on the same code simultaneously.
>
> The home page for the project is http://spm-toolbox.sourceforge.net -
> this page will lead you to the CVS repository, along with pointers to
> CVS and sourceforge documentation.
>
> There are currently two projects under development: an ROI analysis
> toolbox and a diffusion tensor analysis toolbox. If you are interested
> in using or working on these toolboxes or developing additional
> toolboxes, please register as a sourceforge developer and download the
> code.
I've had a quick look at the diffusion code, but as often with matlab
(and spm) code if you dont know where to start looking it's not at all
clear what is what. Could you give us a quick overview of the various
routines? In particular, which routines are likely to be generally
useful (spm_diffusion_display, spm_diffusion_orthoviews?) and which are
site and protocol specific (spm_diffusion_convert,
combine_diff_series?) Also, what would you like to see developed?
The usual initial problem with processing diffusion data is that
everyone uses different protocols, and that you need to work out the
data acquisition order and also do a full bvalue calculation for each
different pulse sequence/protocol/whatever. My initial quick look
suggests that you're using a Siemens system ('.ima' files) and that
from the comments in the files you do a fairly standard 7 axis tensor
measurement with equal averaging and diffusion weighting on each
diffusion step (2 b values only)? Any more details you can give us so
that anyone doing other protocols can work out what they need to
change?
Thanks in advance,
_________________
Gareth J. Barker, Institute of Neurology, Queen Square,
London WC1N 3BG, UK.
email : [log in to unmask]
SMS (phone/pager) : [log in to unmask] (< 100 characters, please!)
phone : +44 20 7837 3611 Xn 4269
fax : +44 20 7278 5616
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