






"""simple docstring"""







from cva import COLOR_BGR2GRAY, cvtColor, imread, imshow, waitKey
from numpy import array, dot, pad, ravel, uinta, zeros






def 					_lowerCAmelCase				(					lowerCAmelCase		,					lowerCAmelCase						):







       '''simple docstring'''
       UpperCAmelCase			,				UpperCAmelCase					=	image.shape
       UpperCAmelCase					=	cols - block_size[1] + 1
       UpperCAmelCase					=	rows - block_size[0] + 1
       UpperCAmelCase					=	zeros((dst_height * dst_width, block_size[1] * block_size[0])						)
       UpperCAmelCase					=	0
       for i in range(0		,					lowerCAmelCase						):
              for j in range(0		,					lowerCAmelCase						):
                     UpperCAmelCase					=	ravel(image[i : i + block_size[0], j : j + block_size[1]]						)
                     UpperCAmelCase					=	window
                     row += 1

       return image_array






def 					_lowerCAmelCase				(					lowerCAmelCase		,					lowerCAmelCase						):







       '''simple docstring'''
       UpperCAmelCase			,				UpperCAmelCase					=	image.shape[0], image.shape[1]
       UpperCAmelCase					=	filter_kernel.shape[0]
       UpperCAmelCase					=	k_size // 2
       # Pads image with the edge values of array.
       UpperCAmelCase					=	pad(lowerCAmelCase		,					lowerCAmelCase		,					mode="""edge"""						)

       # im2col, turn the k_size*k_size pixels into a row and np.vstack all rows
       UpperCAmelCase					=	imacol(lowerCAmelCase		,					(k_size, k_size)						)

       #  turn the kernel into shape(k*k, 1)
       UpperCAmelCase					=	ravel(lowerCAmelCase						)
       # reshape and get the dst image
       UpperCAmelCase					=	dot(lowerCAmelCase		,					lowerCAmelCase						).reshape(lowerCAmelCase		,					lowerCAmelCase						)
       return dst


if __name__ == "__main__":
 # read original image
 lowerCAmelCase_		:			Any				   =					imread(R'''../image_data/lena.jpg''')
 # turn image in gray scale value
 lowerCAmelCase_		:			List[Any]				   =					cvtColor(img, COLOR_BGR2GRAY)
 # Laplace operator
 lowerCAmelCase_		:			List[str]				   =					array([[0, 1, 0], [1, -4, 1], [0, 1, 0]])
 lowerCAmelCase_		:			List[str]				   =					img_convolve(gray, Laplace_kernel).astype(uinta)
 imshow('''Laplacian''', out)
 waitKey(0)








"""simple docstring"""







import unittest
from timeit import timeit






def 					_lowerCAmelCase				(					lowerCAmelCase		,					lowerCAmelCase						):







       '''simple docstring'''
       UpperCAmelCase					=	first_num if first_num >= second_num else second_num
       UpperCAmelCase					=	max_num
       while (common_mult % first_num > 0) or (common_mult % second_num > 0):
              common_mult += max_num
       return common_mult






def 					_lowerCAmelCase				(					lowerCAmelCase		,					lowerCAmelCase						):







       '''simple docstring'''
       return b if a == 0 else greatest_common_divisor(b % a		,					lowerCAmelCase						)






def 					_lowerCAmelCase				(					lowerCAmelCase		,					lowerCAmelCase						):







       '''simple docstring'''
       return first_num // greatest_common_divisor(lowerCAmelCase		,					lowerCAmelCase						) * second_num






def 					_lowerCAmelCase				(					):







       '''simple docstring'''
       UpperCAmelCase					=	(
           """from __main__ import least_common_multiple_slow, least_common_multiple_fast"""
       )
       print(
           """least_common_multiple_slow():"""		,					timeit("""least_common_multiple_slow(1000, 999)"""		,					setup=lowerCAmelCase						)		,					)
       print(
           """least_common_multiple_fast():"""		,					timeit("""least_common_multiple_fast(1000, 999)"""		,					setup=lowerCAmelCase						)		,					)





class      UpperCamelCase_       (				unittest.TestCase     ):
  _A				:    List[str] =		(
      (10, 20),
      (13, 15),
      (4, 31),
      (10, 42),
      (43, 34),
      (5, 12),
      (12, 25),
      (10, 25),
      (6, 9),
  )
  _A				:    int =		(20, 195, 124, 210, 1462, 60, 300, 50, 18)



  def 						UpperCamelCase_ (					self )	->	Any:



         """simple docstring"""





         for i, (first_num, second_num) in enumerate(self.test_inputs ):
                UpperCAmelCase					=	least_common_multiple_slow(snake_case__       ,						snake_case__ )
                UpperCAmelCase					=	least_common_multiple_fast(snake_case__       ,						snake_case__ )
                with self.subTest(i=snake_case__ ):
                       self.assertEqual(snake_case__       ,						self.expected_results[i] )
                       self.assertEqual(snake_case__       ,						self.expected_results[i] )


if __name__ == "__main__":
 benchmark()
 unittest.main()
