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## Supplementary material

Figure S.1: Deformable 3D registration accuracy per region after affine
initialization with NiftyReg. We left-right averaged bilateral brain regions.
SynthMorph training did not optimize the overlap of grayed-out regions. Figure
S.2: Deformable 3D registration accuracy per region after affine
initialization with NiftyReg. We left-right averaged bilateral brain regions.
SynthMorph training did not optimize the overlap of grayed-out regions. Figure
S.3: Deformable 3D registration accuracy per region after affine
initialization with NiftyReg. We left-right averaged bilateral brain regions.
SynthMorph training did not optimize the overlap of grayed-out regions. Figure
S.4: Deformable 3D registration accuracy per region after affine
initialization with NiftyReg. We left-right averaged bilateral brain regions.
SynthMorph training did not optimize the overlap of grayed-out regions. Figure
S.5: Deformable 3D registration accuracy per region after affine
initialization with NiftyReg. We left-right averaged bilateral brain regions.
SynthMorph training did not optimize the overlap of grayed-out regions.