nl linalg to compute l2 distances (needs checking if equal)

image_recognition_face_recognition/src/image_recognition_face_recognition/face_recognizer.py

@@ -272,7 +272,8 @@ def _get_min_l2_distance(olds: List[np.ndarray], new: np.ndarray) -> float:
         :param new: torch.Tensor
         :return: Minimal l2 distance
         """
-        return min([np.dot(old - new, old - new) for old in olds])
+        #return min([np.dot(old - new, old - new) for old in olds])
+        return min([np.linalg.norm(old - new) for old in olds])
 
     def _get_distances(self, embeddings: List[torch.Tensor]) -> Tuple[List[float], List[str]]:
         """