Path of the moving image(s). It can be a single image or a
folder containing multiple images.
transform_map_file :string
For the affine case, it should be a text(*.txt) file containing
the affine matrix. For the diffeomorphic case,
it should be a nifti file containing the mapping displacement
field in each voxel with this shape (x, y, z, 3, 2)
transform_type :string, optional
Select the transformation type to apply between ‘affine’ or
‘diffeomorphic’. (default affine)
out_dir :string, optional
Directory to save the transformed files (default ‘’).
out_file :string, optional
Name of the transformed file (default ‘transformed.nii.gz’).