[Insight-users] Observing a transformation

[Andinet Enquobahrie]

Christian Kollee wrote:

>Hi,
>
>* Andinet Enquobahrie <andinet.enqu at kitware.com> [060216 16:54]:
>  
>
>>When you say "information" do you mean some kind of visual information
>>(possibly difference image at every iteration) besides just the 
>>transformation parameters which you can get by adding an observer to the 
>>iteration event?
>>    
>>
>
>the transformation paramters would be enough. I assume that it's
>possible to add an observer to the transformation. Is this correct? How
>does this work? Like the observer for the registration/optimization?
>
>Regards,
>	Christian
>
>  
>
Hi Christian,

Take a look at section 8.4 in the ITK software guide.

http://www.itk.org/ItkSoftwareGuide.pdf

As you can see in "ImageRegistration3.cxx",

optimizer->GetCurrentPosition()

would return the transformation parameters and optimizer->GetValue() 
returns the metric value...

-Andinet








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