code: import numpy as np
  from PIL import Image
  
  def      SCREAMING_SNAKE_CASE_  (		snake_case__							)  ->			np.array:
  							lowerCAmelCase	,   lowerCAmelCase	,   lowerCAmelCase				=	rgb[:, :, 0], rgb[:, :, 1], rgb[:, :, 2]
  							return 0.29_89 * r + 0.58_70 * g + 0.11_40 * b
  
  def      SCREAMING_SNAKE_CASE_  (		snake_case__							)  ->			np.array:
  							return (gray > 1_2_7) & (gray <= 2_5_5)
  
  def      SCREAMING_SNAKE_CASE_  (		snake_case__     ,						snake_case__							)  ->			np.array:
  							lowerCAmelCase				=	np.zeros_like(snake_case__							)
  							lowerCAmelCase				=	np.zeros(
  							    (image.shape[0] + kernel.shape[0] - 1, image.shape[1] + kernel.shape[1] - 1)							)
  
  							# Copy image to padded image
  							lowerCAmelCase				=	image
  
  							# Iterate over image & apply kernel
  							for x in range(image.shape[1]							):
  														for y in range(image.shape[0]							):
  																					lowerCAmelCase				=	(
  																					    kernel * image_padded[y : y + kernel.shape[0], x : x + kernel.shape[1]]
  																					).sum()
  																					lowerCAmelCase				=	int(summation == 5							)
  							return output
  
  
  # kernel to be applied
  lowercase__    :       Any						=			np.array([[0, 1, 0], [1, 1, 1], [0, 1, 0]])
  
  if __name__ == "__main__":
  	# read original image
  	lowercase__    :       int						=			np.array(Image.open(R'''..\image_data\lena.jpg'''))
  	# Apply erosion operation to a binary image
  	lowercase__    :       List[str]						=			erosion(grayabinary(rgbagray(image)), structuring_element)
  	# Save the output image
  	lowercase__    :       Union[str, Any]						=			Image.fromarray(output).convert('''RGB''')
  	pil_img.save('''result_erosion.png''')
  
  
  
  
style_context: import math
  
  def      SCREAMING_SNAKE_CASE_  (		snake_case__							)  ->			float:
  							lowerCAmelCase				=	math.log(2     ,						1_0							) * number
  							lowerCAmelCase				=	round((log_number - int(snake_case__							))     ,						1_5							)
  
  							return difference
  
  def      SCREAMING_SNAKE_CASE_  (		snake_case__ = 6_7_8_9_1_0							)  ->			int:
  							lowerCAmelCase				=	9_0
  							lowerCAmelCase				=	0
  
  							lowerCAmelCase				=	math.log(1.23     ,						1_0							)
  							lowerCAmelCase				=	math.log(1.24     ,						1_0							)
  							lowerCAmelCase				=	0
  
  							while position < number:
  														lowerCAmelCase				=	log_difference(snake_case__							)
  
  														if difference >= upper_limit:
  																					power_iterator += 9_3
  
  														elif difference < lower_limit:
  																					power_iterator += 1_9_6
  
  														else:
  																					lowerCAmelCase				=	power_iterator
  																					power_iterator += 1_9_6
  																					position += 1
  
  							return previous_power
  
  
  if __name__ == "__main__":
  	import doctest
  
  	doctest.testmod()
  
  	print(f'{solution() = }')
  
  
  
  