> 1) For multi-session single-subject realignment, the process is:
> 1) realign first image of >1st session to first image of first
> session
The mean would just be of all the first images of the sessions.
> 2) realign images in each session to first image in that session
The mean is the mean of the session.
>
> How is the mean image calculated from here and used for 2-pass
> registration?
> i.e. Is the mean image just the mean of all realigned images in all
> sessions and then
> all realigned images in all sessions are realigned to the mean
> image or ....
Really, I should do "realign images in each session to first image in that
session" first, and then use the session means for "realign first image of
>1st session to first image of first session".
Best regards,
-John
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