Hi Xian -
You can concatinate 2 registration matrices using "convert_xfm"
the relevant syntax in this case is:
convert_xfm -omat <outmat> -concat <mat2> <mat1>
where <mat2> and <mat1> are the two matrices from your 2-stage
registration process.
Hope this is helpful
Tim
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Tim Behrens
Centre for Functional MRI of the Brain
The John Radcliffe Hospital
Headley Way Oxford OX3 9DU
Oxford University
Work 01865 222782
Mobile 07980 884537
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On Tue, 24 Feb 2004, SUBSCRIBE FSL Zhang, X wrote:
> Dear list:
>
> I am doing surface coil scanning that yeilds a partial brain iamge.
> I can register the function to the structural image with a two
> steps prcoedure (trnaslation only and 3 dof).
> My quetion is :
> how to conjunct the two .mat files to make one combined
> transformation for my results? (I would prefer a program solution
> because I need to apply the matrix to many files.)
> Thanks
> Xian
>
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