[Insight-users] Thin Plate Splines Registration

[frédéric salvador]

Thx a lot Bill!
I didnt realize that PixelType was defined as unsigned char...



Le 9 septembre 2009 16:39, Bill Lorensen <bill.lorensen at gmail.com> a écrit :

> Change the typedef PixelType to short.  The ImageFileReader is
> converting the input data to unsigned char.
>
>
> 2009/9/9 frédéric salvador <frederic.salvador at gmail.com>:
> > Dear all,
> >
> > I would like to register 3D CT images of the abdomen using the Thin Plate
> > Splines Registration.
> > My goal is to select a set of landmarks (6 or 7 for instance) both in a
> > FixedImage and MovingImage, compute the transform from the MovingImage to
> > the FixedImage, and apply this transform to the MovingImage (and finally
> > save the RegisteredMovingImage as a ".mha" file).
> >
> > Actually, I already tried to implement such a process based on the
> > "InsightToolkit-3.14.0/Examples/Registration/ThinPlateSplineWarp.cxx".
> > The problem is that my output moving registered image presents
> intensities
> > between 0 and 255, as it had been rescaled on 8 bits, whereas both my
> input
> > images had intensities between lets say -1000 and +2000.
> > Where does this come from?
> > Is it possible to avoid this?
> >
> > Thank you very much in advance for your help.
> >
> > Best regards.
> >
> > Frederic Salvador
> >
> >
> >
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