[Insight-users] Monitoring in Multi-resolution registration

[Luis Ibanez]

Hi Yan,

Simply connect a Command Observer to the Optimizer.

Then set it up to return values at every IterationEvent.

The MultiResolution registration class only returns events
at every change of pyramid level, while the optimizer
invoke IterationEvents during the registration process.


You will find multiple examples on how to use the Observers
for monitoring the registration classes, in the ITK Software
Guide:

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

in the "Image Registration" chapter.


Regards,


    Luis


----------------
Yan Yang wrote:
> Hi All,
> 
> I am trying to collect the optimization data during the whole registration
> process including the values within each registration level.
> 
> However I can only get the optimization parameter values at the end of each
> level through observer command. I would be grateful if anyone can tell me
> how to get the optimization value for each iteration like that in a single
> resolution registration process.
> 
> Thanks in advance!
> 
> Yan
> 
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