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[ENH] Allow .bval and .bvec files for pepolar fmaps #1754

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Apr 24, 2024
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1 change: 1 addition & 0 deletions src/appendices/contributors.md
Original file line number Diff line number Diff line change
Expand Up @@ -257,6 +257,7 @@ If you contributed to the BIDS ecosystem and your name is not listed, please add
| Mateusz Pawlik | 📖🐛🤔🚧👀 |
| Mathias Goncalves | 💻🔧📢 |
| Mathieu Boudreau | 💬🤔📢 |
| Matt Cieslak | 📖 |
| Matt Sanderson | 📖💻 |
| Matteo Tonietto | 📖 |
| Matthias Günther | 📖 |
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Original file line number Diff line number Diff line change
Expand Up @@ -1253,7 +1253,8 @@ The phase-encoding polarity (PEpolar) technique combines two or more Spin Echo
EPI scans with different phase encoding directions to estimate the distortion
map corresponding to the nonuniformities of the *B<sub>0</sub>* field.
These `*_epi.nii[.gz]` - or `*_m0scan.nii[.gz]` for arterial spin labeling perfusion data - files can be 3D or 4D --
in the latter case, all timepoints share the same scanning parameters.
in the latter case, all timepoints share the same scanning parameters. Some 4D scans intended
for correcting DWIs may have accompanying `*_epi.bval` and `*_epi.bvec` files.
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Examples of software tools using these kinds of images are FSL TOPUP and
AFNI `3dqwarp`.

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12 changes: 11 additions & 1 deletion src/schema/rules/files/raw/fmap.yaml
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Expand Up @@ -24,7 +24,6 @@ fieldmaps:
pepolar:
suffixes:
- epi
- m0scan
extensions:
- .nii.gz
- .nii
Expand All @@ -41,6 +40,17 @@ pepolar:
part: optional
chunk: optional

pepolar_m0scan:
$ref: rules.files.raw.fmap.pepolar
suffixes:
- m0scan

pepolar_dwi:
$ref: rules.files.raw.fmap.pepolar
extensions:
- .bval
- .bvec

TB1DAM:
suffixes:
- TB1DAM
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