new_contents: """
  ===================
  Label image regions
  ===================
  
  This example shows how to segment an image with image labelling.
  
  """
  
  import matplotlib.pyplot as plt
  import matplotlib.patches as mpatches
  
  from skimage import data
  from skimage.filter import threshold_otsu
  from skimage.segmentation import clear_border
  from skimage.morphology import label
  from skimage.measure import regionprops
  
  
  image = data.coins()[50:-50, 50:-50]
  
  # apply threshold
  thresh = threshold_otsu(image)
  bw = image > thresh
  
  fig, ax = plt.subplots(ncols=1, nrows=1, figsize=(6, 6))
  plt.gray()
  ax.imshow(bw)
  
  # remove artifacts connected to image border
  cleared = bw.copy()
  clear_border(cleared)
  
  # label image regions
  label_image = label(cleared)
  
  for region in regionprops(label_image, ['Area', 'BoundingBox']):
  
      # skip small images
      if region['Area'] < 100:
          continue
  
      # draw rectangle around segmented coins
      minr, minc, maxr, maxc = region['BoundingBox']
      rect = mpatches.Rectangle((minc, minr), maxc - minc, maxr - minr,
                                fill=False, edgecolor='red', linewidth=2)
      ax.add_patch(rect)
  
  plt.show()
  
subject: Add example script for image labelling