[Insight-users] Warping w.o. overall intensity intergral change

[Felix.Bollenbeck at iff.fraunhofer.de]

Hello ITK Users,

I am warping a functional measurment 3D volume using a spline grid for 
pixel displacement, as discribed in the Softwareguide.

The quality of the warped volume is fine by visual inspection is fine, 
however,
the overall intensity integral increase by x1.25. 


For analysis in need the intensity integral invariant of course, so:

        (0. why does the warping increase overall intensity)

        1. Is there a way to maintain overall intensity values in warping 
- i.e. gaussian interp. kernel etc. ?
 


Thanks for your comments,

Felix. 

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