





"""simple docstring"""
import numpy as np
from cva import COLOR_BGR2GRAY, cvtColor, imread, imshow, waitKey

from digital_image_processing.filters.convolve import img_convolve




def 			__snake_case						(      __A    )		->				Optional[int]:
   lowercase    :			List[str]  =       np.array([[-1, 0, 1], [-2, 0, 2], [-1, 0, 1]]    )
   lowercase    :			int  =       np.array([[1, 2, 1], [0, 0, 0], [-1, -2, -1]]    )

   lowercase    :			List[Any]  =       np.abs(img_convolve(__A ,__A    )    )
   lowercase    :			int  =       np.abs(img_convolve(__A ,__A    )    )
   # modify the pix within [0, 255]
   lowercase    :			Any  =       dst_x * 255 / np.max(__A    )
   lowercase    :			int  =       dst_y * 255 / np.max(__A    )

   lowercase    :			Union[str, Any]  =       np.sqrt((np.square(__A    )) + (np.square(__A    ))    )
   lowercase    :			Any  =       dst_xy * 255 / np.max(__A    )
   lowercase    :			Optional[int]  =       dst_xy.astype(np.uinta    )

   lowercase    :			Optional[Any]  =       np.arctana(__A ,__A    )
   return dst, theta


if __name__ == "__main__":
   # read original image
   lowerCAmelCase:	List[Any]							      =imread("../image_data/lena.jpg")
   # turn image in gray scale value
   lowerCAmelCase:	List[str]							      =cvtColor(img, COLOR_BGR2GRAY)

   lowerCAmelCase      ,						lowerCAmelCase:	str							      =sobel_filter(gray)

   # show result images
   imshow("sobel filter", sobel_grad)
   imshow("sobel theta", sobel_theta)
   waitKey(0)









"""simple docstring"""
import math




def 			__snake_case						(      __A    )		->				float:
   lowercase    :			List[Any]  =       math.log(2 ,10    ) * number
   lowercase    :			Tuple  =       round((log_number - int(__A    )) ,15    )

   return difference




def 			__snake_case						(      __A = 678910    )		->				int:
   lowercase    :			Any  =       90
   lowercase    :			Optional[Any]  =       0

   lowercase    :			List[str]  =       math.log(1.23 ,10    )
   lowercase    :			str  =       math.log(1.24 ,10    )
   lowercase    :			str  =       0

   while position < number:
      lowercase    :			Optional[Any]  =       log_difference(__A    )

      if difference >= upper_limit:
         power_iterator += 93

      elif difference < lower_limit:
         power_iterator += 196

      else:
         lowercase    :			List[Any]  =       power_iterator
         power_iterator += 196
         position += 1

   return previous_power


if __name__ == "__main__":
   import doctest

   doctest.testmod()

   print(F'{solution() = }')


