Hi,
are there global intensity fluctuations that go with these "oscillations"?
Cheers,
Andreas
Am 10.08.15 21:01 schrieb "FSL - FMRIB's Software Library on behalf of
Olivia Stanley" unter <[log in to unmask] on behalf of [log in to unmask]>:
>Hello all,
>
>I am new to FSL so I apologize if this is old hat. I am using MCFLIRT on
>a multiband EPI dataset with 272 volumes. The data is 2mm isotropic and
>has a 1.25s rep time.
>
>I am running mcflirt with default parameters: mcflirt -in <infile> -out
><outfile>
>
>The resulting plots of translations and rotations have a strange
>oscillations less then 0.1mm in magnitude that repeat at a rate of ~0.5
>Hz. These oscillations are not in all three axis. I have used MCFLIRT
>before and not seen them. Does anyone know what they are and/or how to
>get rid of them? I have included the plots above.
>
>Thank you for all your help,
>
>Olivia
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