for count, i in enumerate(array):

  fig = plt.figure(frameon=False)

  plt.plot(i) 

  plt.xticks([]), plt.yticks([])

  for spine in plt.gca().spines.values():

     spine.set_visible(False)

  filename = directory + '/' + str(count)+'.png'

  fig.savefig(filename)

  im_gray = cv2.imread(filename, cv2.IMREAD_GRAYSCALE)

  im_gray = cv2.resize(im_gray, (128, 128), interpolation = cv2.INTER_LANCZOS4)

  cv2.imwrite(filename, im_gray)