



import math
import os

import cva
import numpy as np

a__						=		255.0



def  lowercase    (				SCREAMING_SNAKE_CASE__    :		int			,    SCREAMING_SNAKE_CASE__    :		List[Any]			)					->       str:
 _snake_case      :					Optional[int]					=   np.mean((original - contrast) ** 2			)
 if mse == 0:
  return 100

 return 20 * math.logaa(PIXEL_MAX / math.sqrt(_a			)			)



def  lowercase    (				)					->       List[str]:
 _snake_case      :					List[Any]					=   os.path.dirname(os.path.realpath(_a			)			)
 # Loading images (original image and compressed image)
 _snake_case      :					Any					=   cva.imread(os.path.join(_a			,    """image_data/original_image.png"""			)			)
 _snake_case      :					List[str]					=   cva.imread(os.path.join(_a			,    """image_data/compressed_image.png"""			)			,    1			)

 _snake_case      :					List[Any]					=   cva.imread(os.path.join(_a			,    """image_data/PSNR-example-base.png"""			)			)
 _snake_case      :					List[str]					=   cva.imread(
     os.path.join(_a			,    """image_data/PSNR-example-comp-10.jpg"""			)			,    1			)

 # Value expected: 29.73dB
 print("""-- First Test --"""			)
 print(F'''PSNR value is {peak_signal_to_noise_ratio(_a			,    _a			)} dB'''			)

 # # Value expected: 31.53dB (Wikipedia Example)
 print("""\n-- Second Test --"""			)
 print(F'''PSNR value is {peak_signal_to_noise_ratio(_a			,    _a			)} dB'''			)


if __name__ == "__main__":
  main()





def  lowercase    (				SCREAMING_SNAKE_CASE__    :		float			,    SCREAMING_SNAKE_CASE__    :		float			)					->       float:
 _snake_case      :					str					=   float()
 try:
  _snake_case      :					str					=   mass * acceleration
 except Exception:
  return -0.0
 return force


if __name__ == "__main__":
  import doctest

  # run doctest
  doctest.testmod()

  # demo
  a__      =		12.5
  a__      =		10
  a__      =		newtons_second_law_of_motion(mass, acceleration)
  print("""The force is """, force, """N""")
