new_contents: """
  ============
  Thresholding
  ============
  
  Thresholding is used to create a binary image. This example uses Otsu's method to calculate the threshold value.
  
  """
  
  import matplotlib.pyplot as plt
  
  from skimage.data import camera
  from skimage.thresholding import threshold_otsu
  
  
  image = camera()
  thresh = threshold_otsu(camera())
  binary = image > thresh
  
  plt.imshow(binary)
  plt.axis('off')
  plt.show()
  
  
subject: Add thresholding example