Thanks for you help.
But I have another question: how I can apply the transformation to the
structural image (coregister to the first functional) ?
In the same way ?
----- Original Message -----
From: "John Ashburner" <[log in to unmask]>
To: "Alessio Tallarita" <[log in to unmask]>; <[log in to unmask]>
Sent: Thursday, November 13, 2008 1:14 PM
Subject: Re: [SPM] Resample with parameter contained in rp_1.txt
> The contents of the rp_*.txt file is also encoded in the image headers (or
> .mat files) after realignment. Maybe you could copy this matrix
> information
> from one image (an image that was included in the realignment) to another
> (the one derived from the image that was included in the realignment).
>
> The command for reading a matrix is
>
> M = spm_get_space('imagename')
>
> and the command for writing a matrix to the header of another image is
>
> spm_get_space('another_imagename', M)
>
> Once all the headers encode the right orientations etc, then you can
> simply
> use the coregister (reslice only) option of SPM to reslice an image to
> match
> any other image from that subject.
>
> Best regards,
> -John
>
> On Wednesday 12 November 2008 19:55, Alessio Tallarita wrote:
>> Dear all,
>> I would like to resample some volume images with the transformation
>> matrix
>> contained in rp_1.txt create with SMP5.
>> Initially I have realign all images with SPM and after I have quantified
>> them. In a second step I have first quantify the same original image and
>> I
>> have to apply the same transformation contained in rp_1.txt (create in
>> the
>> previous step) to compare the results of realign and quantification
>> obtained with the two different process.
>> Is there in SPM a command line instruction (or menu option) that permit
>> me
>> to write out a resampled volume with the transformation matrix contained
>> in
>> rp_1.txt ?
>>
>> Many thanks for any suggestions.
>>
>> Alessio Tallarita
>
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