text: # Module to show other color systems
  import cv2
  image = cv2.imread('lena.jpg')
  cv2.imshow('Original', image)
  gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
  cv2.imshow('Gray', gray)
  hsv = cv2.cvtColor(image, cv2.COLOR_BGR2HSV)
  cv2.imshow('HSV', hsv)
  lab = cv2.cvtColor(image, cv2.COLOR_BGR2LAB)
  cv2.imshow('L*a*b*', lab)
  cv2.waitKey(0)
  