--- a
+++ b/ants/utils/nifti_to_ants.py
@@ -0,0 +1,39 @@
+__all__ = ["nifti_to_ants"]
+
+import numpy as np
+import ants
+
+def nifti_to_ants( nib_image ):
+    """
+    Converts a given Nifti image into an ANTsPy image
+
+    Parameters
+    ----------
+        img: NiftiImage
+
+    Returns
+    -------
+        ants_image: ANTsImage
+    """
+    ndim = nib_image.ndim
+
+    if ndim < 3:
+        print("Dimensionality is less than 3.")
+        return None
+
+    q_form = nib_image.get_qform()
+    spacing = nib_image.header["pixdim"][1 : ndim + 1]
+
+    origin = np.zeros((ndim))
+    origin[:3] = q_form[:3, 3]
+
+    direction = np.diag(np.ones(ndim))
+    direction[:3, :3] = q_form[:3, :3] / spacing[:3]
+
+    ants_img = ants.from_numpy(
+        data = nib_image.get_data().astype( np.float ),
+        origin = origin.tolist(),
+        spacing = spacing.tolist(),
+        direction = direction )
+    
+    return ants_img