[Insight-users] Optimizer change Affine Bspline

[Emma Saunders]

Hi list

I am performing registration using a bulk Affine transform followed by
Bspline registration, (not v4)

I would like to use a regular gradient descent optimizer for the Affine and
a LBFG optimizer for the Bspline (hoping this increases speed).

Is it therefore possible to just use another call to
registration->Optimizer, using a different optimizer for the same
registration.  Initial attempts do not work?  Is this possible or do I have
to use two separate registrations?

Any further advice on increased speed wrt metric type, optimizer for
dynamic mri data is appreciated.

Thanks

Emma
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