[ITK-users] Restrict parameters of a transformation to be optimized during registration

[Marc michel Rohe]

Thanks a lot for both your answers. 

Indeed I think the method SetWeights for the optimizer is what I am looking for, and this might spare me the trouble of redefining a whole new subclass ! 

Best, 

Marc-Michel 

----- Mail original -----

> De: "brian avants" <stnava at gmail.com>
> À: "Dženan Zukić" <dzenanz at gmail.com>
> Cc: "Marc-Michel Rohé" <marc-michel.rohe at inria.fr>, "Insight-users"
> <insight-users at itk.org>
> Envoyé: Dimanche 25 Septembre 2016 17:59:55
> Objet: Re: [ITK-users] Restrict parameters of a transformation to be
> optimized during registration

> This use case is also what parameter weights are for

> On Sunday, September 25, 2016, Dženan Zukić < dzenanz at gmail.com > wrote:

> > Hi Marc-Michel,
> 

> > the classic solution for such a case is to derive a class from
> > itkTranslationTransform and re-implement the relevant methods
> > (TransformPoint, Translate etc). Then supply your transform class instead
> > of
> > itkTranslationTransform to itkImageRegistrationMethodv4.
> 

> > Regards,
> 
> > Dženan
> 

> > On Sat, Sep 24, 2016 at 2:54 PM, Marc-Michel Rohé <
> > marc-michel.rohe at inria.fr
> > > wrote:
> 

> > > Hello,
> > 
> 

> > > I am working with the registration pipeline of ITK using 3D images. What
> > > I
> > > would like to do is to register two images with translations but keeping
> > > the
> > > translation with respect to the third dimension at 0 (so find the best 2D
> > > translation on the axis X and Y mapping two images).
> > 
> 

> > > Is there a way to use the ITK classes "itkTranslationTransform" and
> > > "itkImageRegistrationMethodv4" ?
> > 
> 

> > > I have looked at multiple examples and documentation but could not find a
> > > way
> > > to do it easily if not coding a whole new class that performs 2D
> > > transform
> > > in 3D...
> > 
> 

> > > Thx !
> > 
> 
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> --

> brian
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