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Pass a reference affine to fMRIPrep #406

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Tracked by #417
celprov opened this issue Nov 29, 2023 · 0 comments
Closed
Tracked by #417

Pass a reference affine to fMRIPrep #406

celprov opened this issue Nov 29, 2023 · 0 comments
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fmriprep

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@celprov
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celprov commented Nov 29, 2023 •
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The hcph-dataset images preprocessed by fMRIPrep and casted to MNI152NLin2009cAsym space, do not all have the same affine.

There are two groups of images, the one with affine:
[[ 2.1960001 0. 0. -96.5 ]
[ 0. 2.1960001 0. -132.5 ]
[ 0. 0. 2.20000005 -78.5 ]
[ 0. 0. 0. 1. ]]

and the one with affine:
[[ 2.19799995 0. 0. -96.5 ]
[ 0. 2.19799995 0. -132.5 ]
[ 0. 0. 2.20000005 -78.5 ]
[ 0. 0. 0. 1. ]]

If I understood correctly, we have to pass a reference affine to fMRIPrep when calling it.
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