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Required External Software
==========================

For full functionality, **fMRIproc** relies on the following external tools:

- `FSL <https://fsl.fmrib.ox.ac.uk/fsl/docs/#/install/index>`_ - General image processing (recommended)
- ITK-Snap_ - Manual segmentation & ROI drawing.
- FreeSurfer_ - Surface reconstruction.
- SPM_ & CAT12_ - Bias correction and segmentation.
- ANTs_ - Image registration.