[Insight-users] MultiResolutionPDEDeformableRegistration warping

Michael G michaelguiliametti at hotmail.com
Fri, 12 Mar 2004 05:13:02 +0000


Hi Lydia,

I'm still using v1.4.0,

Regards,
Michael


>From: "Lydia Ng" <lng at insightful.com>
>To: "Michael G" <michaelguiliametti at hotmail.com>
>Subject: RE: [Insight-users] MultiResolutionPDEDeformableRegistration 
>warping
>Date: Thu, 11 Mar 2004 21:03:53 -0800
>
>Hi Michael,
>
>Which version of ITK are using?
>
>-Lydia
>
> > -----Original Message-----
> > From: Michael G [mailto:michaelguiliametti at hotmail.com]
> > Sent: Thursday, March 11, 2004 4:23 PM
> > To: insight-users at itk.org
> > Subject: [Insight-users] MultiResolutionPDEDeformableRegistration 
>warping
> >
> > Hello all,
> >
> > I've been working with the MultiResolutionPDEDeformableRegistration
> > registration method and am getting odd results. Initially I was using 
>the
> > DemonsRegistrationFilter method because I was getting great results with
> > it,
> > but it was taking about 11 seconds a slice to register and was hoping 
>the
> > MultiResolutionPDEDeformableRegistration would speed things up. The
> > doxygen
> > notes say that MultiResolutionPDEDeformableRegistration uses the
> > DemonsRegistrationFilter as its internal registration method by default.
> > But
> > I am getting some serious warping around the edges of my output images
> > after
> > registration is complete. Are there any examples of using
> > MultiResolutionPDEDeformableRegistration that I can look at? What
> > parameters
> > could I be fouling up to create such intense distortion? I've normalized
> > the
> > input images in the same way I would before handing them to the
> > DemonsRegistrationFilter method.
> >
> > My goal is to register breast MRI images with a contrast agent injection 
>-
> > is there a more optimal registration method to use for this that ITK
> > offers
> > besides the DemonsRegistrationFilter or
> > MultiResolutionPDEDeformableRegistration?
> >
> > Thank you,
> > Michael
> >
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