





'''simple docstring'''







import math
import sys

import cva
import numpy as np

def    __UpperCamelCase	(	a    : np.ndarray					,   a    : float     ) ->np.ndarray:
 # For applying gaussian function for each element in matrix.
 snake_case				=			math.sqrt(a     )
 snake_case				=			1 / (sigma * math.sqrt(2 * math.pi     ))
 return cons * np.exp(-((img / sigma) ** 2) * 0.5     )

def    __UpperCamelCase	(	a    : np.ndarray					,   a    : int					,   a    : int					,   a    : int     ) ->np.ndarray:
 snake_case				=			kernel_size // 2
 return img[x - half : x + half + 1, y - half : y + half + 1]

def    __UpperCamelCase	(	a    : int					,   a    : float     ) ->np.ndarray:
 # Creates a gaussian kernel of given dimension.
 snake_case				=			np.zeros((kernel_size, kernel_size)     )
 for i in range(0					,   a     ):
  for j in range(0					,   a     ):
   snake_case				=			math.sqrt(
       abs(i - kernel_size // 2     ) ** 2 + abs(j - kernel_size // 2     ) ** 2     )
 return vec_gaussian(a					,   a     )

def    __UpperCamelCase	(	a    : np.ndarray					,   a    : float					,   a    : float					,   a    : int					,   ) ->np.ndarray:
 snake_case				=			np.zeros(img.shape     )
 snake_case				=			get_gauss_kernel(a					,   a     )
 snake_case				,		snake_case				=			img.shape
 for i in range(kernel_size // 2					,   size_x - kernel_size // 2     ):
  for j in range(kernel_size // 2					,   size_y - kernel_size // 2     ):
   snake_case				=			get_slice(a					,   a					,   a					,   a     )
   snake_case				=			img_s - img_s[kernel_size // 2, kernel_size // 2]
   snake_case				=			vec_gaussian(a					,   a     )
   snake_case				=			np.multiply(a					,   a     )
   snake_case				=			np.multiply(a					,   a     )
   snake_case				=			np.sum(a     ) / np.sum(a     )
   snake_case				=			val
 return imga

def    __UpperCamelCase	(	a    : list     ) ->tuple:
 snake_case				=			args[1] if args[1:] else '''../image_data/lena.jpg'''
 snake_case				=			float(args[2]     ) if args[2:] else 1.0
 snake_case				=			float(args[3]     ) if args[3:] else 1.0
 if args[4:]:
  snake_case				=			int(args[4]     )
  snake_case				=			kernel_size + abs(kernel_size % 2 - 1     )
 else:
  snake_case				=			5
 return filename, spatial_variance, intensity_variance, kernel_size


if __name__ == "__main__":
   _lowercase						,				_lowercase						,				_lowercase						,				_lowercase       						=			parse_args(sys.argv)
   _lowercase       						=			cva.imread(filename, 0)
   cva.imshow('input image', img)

   _lowercase       						=			img / 255
   _lowercase       						=			out.astype('float32')
   _lowercase       						=			bilateral_filter(out, spatial_variance, intensity_variance, kernel_size)
   _lowercase       						=			out * 255
   _lowercase       						=			np.uinta(out)
   cva.imshow('output image', out)
   cva.waitKey(0)
   cva.destroyAllWindows()








'''simple docstring'''







def    __UpperCamelCase	(	a    : int					,   a    : int     ) ->int:
 while b:
  snake_case				,		snake_case				=			b, a % b
 return a

def    __UpperCamelCase	(	a    : int					,   a    : int     ) ->int:
 return a if b == 0 else euclidean_gcd_recursive(a					,   a % b     )

def    __UpperCamelCase	(	) ->Optional[Any]:
 print(f"""euclidean_gcd(3, 5) = {euclidean_gcd(3					,   5     )}"""     )
 print(f"""euclidean_gcd(5, 3) = {euclidean_gcd(5					,   3     )}"""     )
 print(f"""euclidean_gcd(1, 3) = {euclidean_gcd(1					,   3     )}"""     )
 print(f"""euclidean_gcd(3, 6) = {euclidean_gcd(3					,   6     )}"""     )
 print(f"""euclidean_gcd(6, 3) = {euclidean_gcd(6					,   3     )}"""     )

 print(f"""euclidean_gcd_recursive(3, 5) = {euclidean_gcd_recursive(3					,   5     )}"""     )
 print(f"""euclidean_gcd_recursive(5, 3) = {euclidean_gcd_recursive(5					,   3     )}"""     )
 print(f"""euclidean_gcd_recursive(1, 3) = {euclidean_gcd_recursive(1					,   3     )}"""     )
 print(f"""euclidean_gcd_recursive(3, 6) = {euclidean_gcd_recursive(3					,   6     )}"""     )
 print(f"""euclidean_gcd_recursive(6, 3) = {euclidean_gcd_recursive(6					,   3     )}"""     )


if __name__ == "__main__":
   main()

