[Insight-users] suppress shearing

[Erik Tuerke]

Hi!

Thanks for the reply!

Unfortunately i can not rely on an isotropic scaling. Sometimes it will be enough, but the best would be to apply an anisotropic scaling.

cheers

----- Original Message -----
From: "Bill Lorensen" <bill.lorensen at gmail.com>
To: "Erik Tuerke" <tuerke at cbs.mpg.de>
Cc: "insight-users" <insight-users at itk.org>
Sent: Friday, April 9, 2010 2:52:51 PM GMT +01:00 Amsterdam / Berlin / Bern / Rome / Stockholm / Vienna
Subject: Re: [Insight-users] suppress shearing

itkSimiliarity2DTransform and itkSimilarity3DTransform ally rotation,
translation and isotropic scaling.

Is your scaling isotropic?

On Fri, Apr 9, 2010 at 4:39 AM, Erik Tuerke <tuerke at cbs.mpg.de> wrote:
> Ahh...sorry for the double post but i am used to push strg-s to save a text but unfortunately this is assigned to sent.
>
> anyway...
>
> I am seeking a transform which is capable of applying a transformation in a way of translation, rotation and scaling.
> Since i did not found such a transform, i thought taking the affine transform and suppress the shearing.
> Is there any way to do so? Maybe setting the optimizer scale to 0 for the respective parameters...but what are the shearing parameters?
>
> Thanks!
>
> --
> Erik Türke
> Department of Neurophysics
> Max-Planck-Institute for Human Cognitive and Brain Sciences
> Stephanstrasse 1A
> 04103 Leipzig
> Germany
> Tel: +49 341 99 40-2440
> Email: tuerke at cbs.mpg.de
> www.cbs.mpg.de
>
>
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-- 
Erik Türke
Department of Neurophysics 
Max-Planck-Institute for Human Cognitive and Brain Sciences
Stephanstrasse 1A
04103 Leipzig
Germany 
Tel: +49 341 99 40-2440
Email: tuerke at cbs.mpg.de
www.cbs.mpg.de