


import cva
import numpy as np







class 		_snake_case  :




 def __init__(		self ,  _lowerCamelCase ,  _lowerCamelCase   ):

       if k in (0.04, 0.06):
             a						:Any										=	k
             a						:str										=	window_size
       else:
             raise ValueError('''invalid k value'''   )




 def __str__(		self   ):
       return str(self.k   )




 def 	SCREAMING_SNAKE_CASE__    (		self ,  _lowerCamelCase   ):
       a						:Union[str, Any]										=	cva.imread(_lowerCamelCase ,  0   )
       a							,    a						:str										=	img.shape
       a						:list[list[int]]										=	[]
       a						:List[str]										=	img.copy()
       a						:int										=	cva.cvtColor(_lowerCamelCase ,  cva.COLOR_GRAY2RGB   )
       a							,    a						:Union[str, Any]										=	np.gradient(_lowerCamelCase   )
       a						:str										=	dx**2
       a						:List[Any]										=	dy**2
       a						:Tuple										=	dx * dy
       a						:Optional[Any]										=	0.04
       a						:List[Any]										=	self.window_size // 2
       for y in range(_lowerCamelCase ,  h - offset   ):
             for x in range(_lowerCamelCase ,  w - offset   ):
                   a						:str										=	ixx[
                       y - offset : y + offset + 1, x - offset : x + offset + 1
                   ].sum()
                   a						:str										=	iyy[
                       y - offset : y + offset + 1, x - offset : x + offset + 1
                   ].sum()
                   a						:List[Any]										=	ixy[
                       y - offset : y + offset + 1, x - offset : x + offset + 1
                   ].sum()

                   a						:Any										=	(wxx * wyy) - (wxy**2)
                   a						:Optional[Any]										=	wxx + wyy
                   a						:Dict										=	det - k * (trace**2)
                   # Can change the value
                   if r > 0.5:
                         corner_list.append([x, y, r]   )
                         color_img.itemset((y, x, 0) ,  0   )
                         color_img.itemset((y, x, 1) ,  0   )
                         color_img.itemset((y, x, 2) ,  255   )
       return color_img, corner_list


if __name__ == "__main__":
     snake_case    :   str	    =					HarrisCorner(0.04, 3)
     snake_case    ,		snake_case    :   Optional[Any]	    =					edge_detect.detect('''path_to_image''')
     cva.imwrite('''detect.png''', color_img)









import math
def     __lowerCamelCase						(			UpperCAmelCase_						:		float			,  UpperCAmelCase_						:		float						):




      """simple docstring"""





      return math.pow(UpperCAmelCase_			,  2						) - a
def     __lowerCamelCase						(			UpperCAmelCase_						:		float						):




      """simple docstring"""





      return 2 * x
def     __lowerCamelCase						(			UpperCAmelCase_						:		float						):




      """simple docstring"""





      a						:int										=	2.0

      while start <= a:
            a						:int										=	math.pow(UpperCAmelCase_			,  2						)

      return start
def     __lowerCamelCase						(			UpperCAmelCase_						:		float			,  UpperCAmelCase_						:		int = 9999			,  UpperCAmelCase_						:		float = 0.00000000000001						):




      """simple docstring"""





      if a < 0:
            raise ValueError('''math domain error'''						)

      a						:List[Any]										=	get_initial_point(UpperCAmelCase_						)

      for _ in range(UpperCAmelCase_						):
            a						:Optional[int]										=	value
            a						:int										=	value - fx(UpperCAmelCase_			,  UpperCAmelCase_						) / fx_derivative(UpperCAmelCase_						)
            if abs(prev_value - value						) < tolerance:
                  return value

      return value


if __name__ == "__main__":
     from doctest import testmod

     testmod()





