text: import random
  import numpy as np
  import matplotlib
  from matplotlib import pyplot as plt
  
  import mahotas
  
  f = mahotas.imread('mahotas/demos/data/luispedro.jpg')
  colors = map(plt.cm.jet, range(256))
  random.seed(23)
  random.shuffle(colors)
  cmap = matplotlib.colors.ListedColormap (colors)
  
  segmented, _ = mahotas.segmentation.slic(f, 16)
  plt.imshow(segmented, cmap=cmap)
  plt.show()
  
  segmented, _ = mahotas.segmentation.slic(f, 64)
  plt.imshow(segmented, cmap=cmap)
  plt.show()
  
  segmented, _ = mahotas.segmentation.slic(f, 128)
  plt.imshow(segmented, cmap=cmap)
  plt.show()
  
  