[Insight-users] Deformable Registration Help

[Michelangelo Paci]

Hi,
I'll try to use the tecniques you suggetsted me.
Do these tecniques return a vector field as the fem-based and do they work
also on 3D images, as the volumes I appended?
Michelangelo

2006/5/16, Martin Urschler <martin at urschler.info>:
>
> hi
>
> is there a special reason why you insist on fem based registration?
>
> there are other techniques in itk:
> - demons based registration in case you can assume brightness constancy
> - MI based bspline registration in case your image intensities differ
> between images
>
> both techniques lead to good results if you implement them in a
> multi-resolution manner, and they are more straightforward to use than
> the FEM framework
>
> on your 2d images they should also be reasonably fast!
>
> greetings,
> Martin
>
> Michelangelo Paci wrote:
> >
> http://us.f13.yahoofs.com/bc/4415f191ma8e3b5a7/bc/Differenza_t01_tagliato.vtk?bfvBdaEBuLx7_N1w
> >
> >
> http://us.f13.yahoofs.com/bc/4415f191ma8e3b5a7/bc/Differenza_t02_tagliato.vtk?bfvBdaEBgUvjEU2v
> >
> >
> > Hi,
> > I' ve a doubt about Deformable Registration.
> > It's 2 weeks I'm trying to tune the parameters of fem-based deformable
> > registration in order to match the image Differenza_t02.vtk to
> > Differenza_t01.vtk but it's totally usefull.
> > So I'm asking if it's possible to obtain a good matching between these 2
> > images, and so a good vector field which leads me to image _t01 from
> > _t02, or if I'm totally wrong in using this tecnique.
> > I'm asking you: can I use the DeformableRegistration1 in order to
> > transport the cells in image 02 in the positions they have in image 01?
> >
> > Please help me, I could have wasted about 100 hours of work.
> >
> > I've appended the URL's of the two volumes I've to match: these are 2
> > successive frames obtained with confocal microscopy.
> >
>
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