--- a
+++ b/ants/registration/__init__.py
@@ -0,0 +1,15 @@
+from .affine_initializer import affine_initializer
+from .apply_transforms import apply_transforms, apply_transforms_to_points
+from .average_transform import average_affine_transform, average_affine_transform_no_rigid
+from .build_template import build_template
+from .compose_displacement_fields import compose_displacement_fields
+from .create_jacobian_determinant_image import create_jacobian_determinant_image, deformation_gradient
+from .create_warped_grid import create_warped_grid
+from .fit_bspline_displacement_field import fit_bspline_displacement_field
+from .fit_bspline_object_to_scattered_data import fit_bspline_object_to_scattered_data
+from .fit_thin_plate_spline_displacement_field import fit_thin_plate_spline_displacement_field
+from .integrate_velocity_field import integrate_velocity_field
+from .invert_displacement_field import invert_displacement_field
+from .landmark_transforms import fit_transform_to_paired_points, fit_time_varying_transform_to_point_sets
+from .registration import registration, motion_correction, label_image_registration
+from .simulate_displacement_field import simulate_displacement_field