text: import numpy as np
  
  # setting for subplot
  NUM_PLOTS = 7
  FIGURE_SIZE = (12, 8)
  W_SPACE = 0.01
  H_SPACE = 0.01
  
  # parameter for Gaussian smoothing
  KERNEL_SIZE = 5
  
  # parameters for Canny transform
  LOW_THRESHOLD = 20
  HIGH_THRESHOLD = 200
  
  # parameters for mask (img size = 960 x 540)
  VERTICES = np.array([[(0, 540), (460, 320), (500, 320), (960, 540)]], dtype=np.int32)
  
  # parameters for Hough Transform
  RHO = 1
  THETA = np.pi / 180
  THRESHOLD = 25
  MIN_LINE_LENGTH = 15
  MAX_LINE_GAP = 20
  
  
  # parameters for file name
  VID_NAME = 'solidWhiteRight'
  # VID_NAME = 'solidYellowLeft'
  # VID_NAME = 'challenge'
  
  # trigger for improved method
  IS_IMPROVED = True
  
  # trigger for advanced method
  