code: import cPickle
  import matplotlib.pyplot as plt
  import os
  import os.path as op
  base_path= os.path.split(os.path.abspath(__file__))[0]
  xlabel=[0.5,0.6,0.7,0.8,0.9]
  IR=[0.469,0.231,0.050,0.001,0.00]
  Visible =[0.919,0.692,0.371,0.108,0.005]
  plt.plot(xlabel,Visible,'r',label='Visible =0.3731')
  plt.plot(xlabel,IR,'b',label='IR = 0.124')
  plt.xlabel('IOU')
  plt.ylabel('Recall')
  plt.xlim([0.5,0.9])
  plt.ylim([0.0,1.0])
  plt.legend(loc='upper right')
  plt.savefig('recall.png')
  plt.show()
apis: matplotlib.pyplot.legend matplotlib.pyplot.savefig matplotlib.pyplot.xlim matplotlib.pyplot.show matplotlib.pyplot.ylabel matplotlib.pyplot.ylim matplotlib.pyplot.plot matplotlib.pyplot.xlabel