[Insight-users] MultiResolutionPDEDeformableRegistration warping

[Michael G]

Hi Lydia,

Sure thing, thanks for the information! I'll report what I've found,

Thank you,
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 21:40:25 -0800
>
>Hi Michael,
>
>A fix was made fairly recently that might be related to your problem.
>
>The relevant changes are in
>itkDemonsRegistrationFunction.h  revision 1.24
>http://www.itk.org/cgi-bin/viewcvs.cgi/Code/Algorithms/itkDemonsRegistrationF
>unction.h?cvsroot=Insight
>
>itkDemonsRegistrationFunction.txx revisions 1.22 and 1.23
>http://www.itk.org/cgi-bin/viewcvs.cgi/Code/Algorithms/itkDemonsRegistrationF
>unction.txx?cvsroot=Insight
>
>Do you want to have a go at figuring out the difference? Else it will take 
>me
>a few days to work out a patch.
>
>- Lydia
>
> > -----Original Message-----
> > From: Michael G [mailto:michaelguiliametti at hotmail.com]
> > Sent: Thursday, March 11, 2004 9:13 PM
> > To: Lydia Ng
> > Cc: insight-users at itk.org
> > Subject: RE: [Insight-users] MultiResolutionPDEDeformableRegistration
> > warping
> >
> > 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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