





"""simple docstring"""





import numpy as np
from cva import COLOR_BGR2GRAY, CV_8UC3, cvtColor, filteraD, imread, imshow, waitKey


def      UpperCAmelCase__				(    SCREAMING_SNAKE_CASE	:		str				,		SCREAMING_SNAKE_CASE	:		Tuple				,		SCREAMING_SNAKE_CASE	:		str				,		SCREAMING_SNAKE_CASE	:		List[Any]				,		SCREAMING_SNAKE_CASE	:		Dict				,		SCREAMING_SNAKE_CASE	:		List[str]     ):







      '''simple docstring'''




      if (ksize % 2) == 0:
            lowerCAmelCase    		=			ksize + 1
      lowerCAmelCase    		=			np.zeros((ksize, ksize)				,		dtype=np.floataa     )

      # each value
      for y in range(__SCREAMING_SNAKE_CASE     ):
            for x in range(__SCREAMING_SNAKE_CASE     ):
                  # distance from center
                  lowerCAmelCase    		=			x - ksize // 2
                  lowerCAmelCase    		=			y - ksize // 2

                  # degree to radiant
                  lowerCAmelCase    		=			theta / 1_80 * np.pi
                  lowerCAmelCase    		=			np.cos(_theta     )
                  lowerCAmelCase    		=			np.sin(_theta     )

                  # get kernel x
                  lowerCAmelCase    		=			cos_theta * px + sin_theta * py

                  # get kernel y
                  lowerCAmelCase    		=			-sin_theta * px + cos_theta * py

                  # fill kernel
                  lowerCAmelCase    		=			np.exp(
                      -(_x**2 + gamma**2 * _y**2) / (2 * sigma**2)     ) * np.cos(2 * np.pi * _x / lambd + psi     )

      return gabor


if __name__ == "__main__":
       import doctest

       doctest.testmod()
       # read original image
       SCREAMING_SNAKE_CASE__   =  imread("../image_data/lena.jpg")
       # turn image in gray scale value
       SCREAMING_SNAKE_CASE__   =  cvtColor(img, COLOR_BGR2GRAY)

       # Apply multiple Kernel to detect edges
       SCREAMING_SNAKE_CASE__   =  np.zeros(gray.shape[:2])
       for theta in [0, 30, 60, 90, 120, 150]:
              SCREAMING_SNAKE_CASE__   =  gabor_filter_kernel(10, 8, theta, 10, 0, 0)
              out += filteraD(gray, CV_8UC3, kernel_aa)
       SCREAMING_SNAKE_CASE__   =  out / out.max() * 255
       SCREAMING_SNAKE_CASE__   =  out.astype(np.uinta)

       imshow("Original", gray)
       imshow("Gabor filter with 20x20 mask and 6 directions", out)

       waitKey(0)












'''simple docstring'''






from typing import Any






class        lowercase_      :





     def __init__(     self     :					Dict     ,							__lowerCamelCase     :					Any			):
           snake_case__       :   str	      =    data
           snake_case__       :   Dict	      =    None






class        lowercase_      :





     def __init__(     self     :					int			):
           snake_case__       :   List[Any]	      =    None





     def 			_lowerCAmelCase      (     self     :					str			):
           snake_case__       :   Any	      =    self.head
           while temp is not None:
                 print(temp.data     ,							end=' '			)
                 snake_case__       :   int	      =    temp.next
           print()





     def 			_lowerCAmelCase      (     self     :					Optional[Any]     ,							__lowerCamelCase     :					Any			):
           snake_case__       :   Union[str, Any]	      =    Node(__lowerCamelCase			)
           snake_case__       :   List[str]	      =    self.head
           snake_case__       :   Any	      =    new_node





     def 			_lowerCAmelCase      (     self     :					Dict     ,							__lowerCamelCase     :					int     ,							__lowerCamelCase     :					Tuple			):
           if node_data_a == node_data_a:
                 return
           else:
                 snake_case__       :   List[Any]	      =    self.head
                 while node_a is not None and node_a.data != node_data_a:
                       snake_case__       :   List[str]	      =    node_a.next

                 snake_case__       :   Union[str, Any]	      =    self.head
                 while node_a is not None and node_a.data != node_data_a:
                       snake_case__       :   str	      =    node_a.next

                 if node_a is None or node_a is None:
                       return

                 snake_case__      ,							snake_case__       :   Dict	      =    node_a.data, node_a.data


if __name__ == "__main__":
      A_			      =		LinkedList()
      for i in range(5, 0, -1):
            ll.push(i)

      ll.print_list()

      ll.swap_nodes(1, 4)
      print("After swapping")
      ll.print_list()
