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Hi - You can use avscale to extract the parameters from the matrix (translation,rotation,scaling,etc.)

Cheers,
Saad.


On 21 Dec 2006, at 00:54, Tal Herbsman wrote:

Can someone send me the format of the 4x4 affine transform matrix generated
by eddy_correct. I'm interested in extracting the rotation angles from this
matrix.

Thanks,
Tal.


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Tal Herbsman, MD
MUSC - Charleston, SC

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Saad Jbabdi, 
Postdoctoral Research Assistant,  
Oxford University FMRIB Centre

FMRIB, JR Hospital, Headington, Oxford  OX3 9DU, UK
+44 (0) 1865 222545  (fax 222717)
[log in to unmask]    http://www.fmrib.ox.ac.uk/~saad
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