[vtkusers] Re: vtkImageData & tensors & filters

[Olivier]

> At some point I'll also need something similar to
> vtkImageReslice that would reorient tensors aswell as move them
> according to a given transformation.  For non-rigid transforms, it
> should also be able to modify the tensor appropriatly.  I don't really
> know yet what that implies in details; I'll have to figure it out at
> some point.

This is not an easy problem at all, and it's a current subject of research 
(especially for non-rigid transformation).
May I point the following reference:
There is a paper to appear in IEEE Trans. on Medical Imaging by Alexander, 
Basser, Pierpaoli, and Gee, that deals with the subject.

Olivier


--------------------------
Olivier Coulon
University College London,
Dept. of Computer Sciences,
Gower Street,
London WC1E 6BT

tel: +44 207 679 3702
fax: +44 207 387 1397
mailto:O.Coulon at cs.ucl.ac.uk
http://www.cs.ucl.ac.uk/staff/O.Coulon