
import cva
import numpy as np



class 		UpperCamelCase__  :
   def __init__(self :					Union[str, Any]					,				snake_case_ :					float					,				snake_case_ :					int   ):

    if k in (0.04, 0.06):
     __a :  Tuple						=  k
     __a :  List[Any]						=  window_size
    else:
     raise ValueError('''invalid k value'''   )
   def __str__(self :					int   ):
    return str(self.k   )







   def       lowerCAmelCase			(self :					Dict					,				snake_case_ :					str   ):
    __a :  List[Any]						=  cva.imread(lowerCAmelCase_					,				0   )
    __a				,       __a :  Optional[int]						=  img.shape
    __a :  List[str]						=  []
    __a :  Union[str, Any]						=  img.copy()
    __a :  Optional[int]						=  cva.cvtColor(lowerCAmelCase_					,				cva.COLOR_GRAY2RGB   )
    __a				,       __a :  Tuple						=  np.gradient(lowerCAmelCase_   )
    __a :  Optional[Any]						=  dx**2
    __a :  Optional[Any]						=  dy**2
    __a :  List[str]						=  dx * dy
    __a :  Optional[Any]						=  0.04
    __a :  str						=  self.window_size // 2
    for y in range(lowerCAmelCase_					,				h - offset   ):
     for x in range(lowerCAmelCase_					,				w - offset   ):
      __a :  List[str]						=  ixx[
          y - offset : y + offset + 1, x - offset : x + offset + 1
      ].sum()
      __a :  List[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 :  str						=  (wxx * wyy) - (wxy**2)
      __a :  Tuple						=  wxx + wyy
      __a :  Optional[int]						=  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)					,				2_5_5   )
    return color_img, corner_list


if __name__ == "__main__":
      lowercase__       =HarrisCorner(0.04, 3)
      lowercase__       =edge_detect.detect('path_to_image')
      cva.imwrite('detect.png', color_img)







def   a_    ( lowerCAmelCase_      :			int	):

   if p < 2:
      raise ValueError('p should not be less than 2!'	)
   elif p == 2:
      return True

   __lowerCAmelCase								=	4
   __lowerCAmelCase								=	(1 << p) - 1
   for _ in range(p - 2	):
      __lowerCAmelCase								=	((s * s) - 2) % m
   return s == 0


if __name__ == "__main__":
     print(lucas_lehmer_test(7))
     print(lucas_lehmer_test(11))

