

"""simple docstring"""






import cva
import numpy as np
class        _lowercase					:







     def __init__(      self ,						UpperCamelCase_ ,						UpperCamelCase_       ):

      if k in (0.0_4, 0.0_6):
       __magic_name__     =      k
       __magic_name__     =      window_size
      else:
       raise ValueError('''invalid k value'''       )







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







     def 	lowerCAmelCase__    (      self ,						UpperCamelCase_       ):
      __magic_name__     =      cva.imread(UpperCamelCase_ ,						0       )
      __magic_name__   ,						__magic_name__     =      img.shape
      __magic_name__     =      []
      __magic_name__     =      img.copy()
      __magic_name__     =      cva.cvtColor(UpperCamelCase_ ,						cva.COLOR_GRAY2RGB       )
      __magic_name__   ,						__magic_name__     =      np.gradient(UpperCamelCase_       )
      __magic_name__     =      dx**2
      __magic_name__     =      dy**2
      __magic_name__     =      dx * dy
      __magic_name__     =      0.0_4
      __magic_name__     =      self.window_size // 2
      for y in range(UpperCamelCase_ ,						h - offset       ):
       for x in range(UpperCamelCase_ ,						w - offset       ):
        __magic_name__     =      ixx[
            y - offset : y + offset + 1, x - offset : x + offset + 1
        ].sum()
        __magic_name__     =      iyy[
            y - offset : y + offset + 1, x - offset : x + offset + 1
        ].sum()
        __magic_name__     =      ixy[
            y - offset : y + offset + 1, x - offset : x + offset + 1
        ].sum()

        __magic_name__     =      (wxx * wyy) - (wxy**2)
        __magic_name__     =      wxx + wyy
        __magic_name__     =      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__":
 __lowerCamelCase										=		HarrisCorner(0.04, 3)
 __lowerCamelCase						,    __lowerCamelCase										=		edge_detect.detect("path_to_image")
 cva.imwrite("detect.png", color_img)





"""simple docstring"""






class        _lowercase					:







     def __init__(      self ,						UpperCamelCase_       ):
      __magic_name__     =      size
      __magic_name__     =      [0] * size
      __magic_name__     =      [0] * size







     @staticmethod
     def 	lowerCAmelCase__    (      UpperCamelCase_       ):
      return index | (index + 1)







     @staticmethod
     def 	lowerCAmelCase__    (      UpperCamelCase_       ):
      return (index & (index + 1)) - 1







     def 	lowerCAmelCase__    (      self ,						UpperCamelCase_ ,						UpperCamelCase_       ):
      __magic_name__     =      value
      while index < self.size:
       __magic_name__     =      self.get_prev(UpperCamelCase_       ) + 1
       if current_left_border == index:
        __magic_name__     =      value
       else:
        __magic_name__     =      max(UpperCamelCase_ ,						UpperCamelCase_ ,						UpperCamelCase_       )
       __magic_name__     =      self.get_next(UpperCamelCase_       )







     def 	lowerCAmelCase__    (      self ,						UpperCamelCase_ ,						UpperCamelCase_       ):
      right -= 1  # Because of right is exclusive
      __magic_name__     =      0
      while left <= right:
       __magic_name__     =      self.get_prev(UpperCamelCase_       )
       if left <= current_left:
        __magic_name__     =      max(UpperCamelCase_ ,						self.tree[right]       )
        __magic_name__     =      current_left
       else:
        __magic_name__     =      max(UpperCamelCase_ ,						self.arr[right]       )
        right -= 1
      return result


if __name__ == "__main__":
 import doctest

 doctest.testmod()

