[Camino-users] Synthesis Using Analytic Models

Julio Duarte-Carvajalino duart022 at umn.edu
Fri Jul 19 04:48:46 PDT 2013


Thank you, that helps me a lot!

Julio


On Fri, Jul 19, 2013 at 6:08 AM, Eleftheria Panagiotaki <
panagio at cs.ucl.ac.uk> wrote:

> Hi Julio,
>
> Here is an example for an analytic model with crossing fibres (arbitrary
> angle):
> Ball StickStick:
>
>
> datasynth -synthmodel  compartment 3 BALL 0.4 1.7E-9  Stick 0.3 1E-9 *1.2 -4.5* Stick 1E-9 *0.0 0.0 *-schemefile cross.scheme -voxels 1 -outputfile BSScross.Bfloat
>
>
> In bold are the theta and phi angles  of the colatitude and the longitude of your axon orientation respectively which you can specify.
>
>
> I hope this is clearer now,
>
>
> Laura
>
>
>
> On 18 July 2013 20:39, Julio Duarte-Carvajalino <duart022 at umn.edu> wrote:
>
>> Dear Camino users,
>>
>> I've been generating synthetic fiber crossings (2-3) using the analytic
>> models in Camino. However, the fiber crossings are always orthogonal (along
>> each main axis). Is there a way to obtain non-orthogonal fiber crossings
>> using the analytic models in Camino?
>>
>> I understand fiber crossings with different angles can be specified using
>> the Monte-Carlo diffusion simulator (Gaussian mixture model), but I'd like
>> to know if there is a way of obtaining the same for the analytic models or
>> a workaround to the orthogonal fiber crossings limitation for the analytic
>> models.
>>
>> Thank you,
>>
>> Julio
>>
>> _______________________________________________
>> Camino-users mailing list
>> Camino-users at www.nitrc.org
>> http://www.nitrc.org/mailman/listinfo/camino-users
>>
>>
>
>
> --
>    --------------------------------------------------------
>     Eleftheria Panagiotaki
>     Centre for Medical Image Computing
>     University College London
>     Gower Street, London WC1E 6BT,
>     United Kingdom
>     Email: panagio at cs.ucl.ac.uk
>
>
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