code: def normalize_numpy(
      targets: np.ndarray, threshold: float | np.ndarray
  ) -> np.ndarray:
      """Normalize the targets by using the cumulative density function, Numpy version."""
      return norm.cdf(targets - threshold)
  
file_path: anomalib/src/anomalib/post_processing/normalization/cdf.py
imports: from __future__ import annotations
  import numpy
  import torch
  from scipy.stats import norm
  from torch import Tensor
  from torch.distributions import Normal
label_desc: Use image node_id 4 for calling a global function with example usage: normalize_numpy(targets, threshold) and returns: norm