Hi Jesper,
>I am not really sure what you mean.
I meant that the relative scaling between b-values was not preserved in the output of topup.
>Note that for example the �iout output is ONLY there to give a visual confirmation of how well the estimation of the field has worked (and that may have some scaling applied to is as it is literally just writing out the internal estimate).
Yes, this appears to be the problem. I didn't realize that the unwarped image should not be used for further analysis.
thanks!
jack
|