



"""simple docstring"""


from pathlib import Path

import numpy as np
from PIL import Image

def  _lowerCAmelCase      (   lowercase_						):
						UpperCAmelCase      ,    UpperCAmelCase      ,    UpperCAmelCase             = rgb[:, :, 0], rgb[:, :, 1], rgb[:, :, 2]
						return 0.2_9_8_9 * r + 0.5_8_7_0 * g + 0.1_1_4_0 * b

def  _lowerCAmelCase      (   lowercase_						):
						return (gray > 127) & (gray <= 255)

def  _lowerCAmelCase      (   lowercase_		,	lowercase_						):
						UpperCAmelCase             = np.zeros_like(lowercase_						)
						UpperCAmelCase             = np.zeros(
						    (image.shape[0] + kernel.shape[0] - 1, image.shape[1] + kernel.shape[1] - 1)						)

						# Copy image to padded image
						UpperCAmelCase             = image

						# Iterate over image & apply kernel
						for x in range(image.shape[1]						):
												for y in range(image.shape[0]						):
																		UpperCAmelCase             = (
																		    kernel * image_padded[y : y + kernel.shape[0], x : x + kernel.shape[1]]
																		).sum()
																		UpperCAmelCase             = int(summation > 0						)
						return output


if __name__ == "__main__":
				# read original image
				snake_case_				     =       Path(__file__).resolve().parent / """image_data""" / """lena.jpg"""
				snake_case_				     =       np.array(Image.open(lena_path))
				# kernel to be applied
				snake_case_				     =       np.array([[0, 1, 0], [1, 1, 1], [0, 1, 0]])
				snake_case_				     =       dilation(gray_to_binary(rgb_to_gray(lena)), structuring_element)
				# Save the output image
				snake_case_				     =       Image.fromarray(output).convert("""RGB""")
				pil_img.save("""result_dilation.png""")












import os
from distutils.util import strtobool



def    __lowercase   (      _SCREAMING_SNAKE_CASE ,						_SCREAMING_SNAKE_CASE	) ->   Tuple:


      '''simple docstring'''


      for e in env_keys:
            SCREAMING_SNAKE_CASE		=						int(os.environ.get(_SCREAMING_SNAKE_CASE ,						-1	)	)
            if val >= 0:
                  return val
      return default



def    __lowercase   (      _SCREAMING_SNAKE_CASE ,						_SCREAMING_SNAKE_CASE=False	) ->   Optional[int]:


      '''simple docstring'''


      SCREAMING_SNAKE_CASE		=						os.environ.get(_SCREAMING_SNAKE_CASE ,						str(_SCREAMING_SNAKE_CASE	)	)
      return strtobool(_SCREAMING_SNAKE_CASE	) == 1  # As its name indicates `strtobool` actually returns an int...



def    __lowercase   (      _SCREAMING_SNAKE_CASE ,						_SCREAMING_SNAKE_CASE="no"	) ->   Any:


      '''simple docstring'''


      SCREAMING_SNAKE_CASE		=						os.environ.get(_SCREAMING_SNAKE_CASE ,						str(_SCREAMING_SNAKE_CASE	)	)
      return value


