


import cva
import numpy as np






class    _UpperCamelCase     :

				"""simple docstring"""







				def __init__(    self					, a__					, a__ )						->					Tuple:

					if k in (0.04, 0.06):
						A             =					k
						A             =					window_size
					else:
						raise ValueError("""invalid k value""" )

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

				def   _UpperCAmelCase       (    self					, a__ )						->					tuple[cva.Mat, list[list[int]]]:
					A             =					cva.imread(a__					, 0 )
					A       ,      A             =					img.shape
					A             =					[]
					A             =					img.copy()
					A             =					cva.cvtColor(a__					, cva.COLOR_GRAY2RGB )
					A       ,      A             =					np.gradient(a__ )
					A             =					dx**2
					A             =					dy**2
					A             =					dx * dy
					A             =					0.04
					A             =					self.window_size // 2
					for y in range(a__					, h - offset ):
						for x in range(a__					, w - offset ):
							A             =					ixx[
							    y - offset : y + offset + 1, x - offset : x + offset + 1
							].sum()
							A             =					iyy[
							    y - offset : y + offset + 1, x - offset : x + offset + 1
							].sum()
							A             =					ixy[
							    y - offset : y + offset + 1, x - offset : x + offset + 1
							].sum()

							A             =					(wxx * wyy) - (wxy**2)
							A             =					wxx + wyy
							A             =					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__":
				_lowercase							:   Union[str, Any]						=						HarrisCorner(0.04, 3)
				_lowercase						,				_lowercase							:   Optional[Any]						=						edge_detect.detect("path_to_image")
				cva.imwrite("detect.png", color_img)







def 	_lowerCAmelCase					( UpperCamelCase__:  Union[str, Any]    )			-> Dict:





	"""simple docstring"""







	return [
	    {
	        0: [1, 2],
	        1: [0, 2],
	        2: [0, 1, 3, 5],
	        3: [2, 4],
	        4: [3],
	        5: [2, 6, 8],
	        6: [5, 7],
	        7: [6, 8],
	        8: [5, 7],
	    },
	    {
	        0: [6],
	        1: [9],
	        2: [4, 5],
	        3: [4],
	        4: [2, 3],
	        5: [2],
	        6: [0, 7],
	        7: [6],
	        8: [],
	        9: [1],
	    },
	    {
	        0: [4],
	        1: [6],
	        2: [],
	        3: [5, 6, 7],
	        4: [0, 6],
	        5: [3, 8, 9],
	        6: [1, 3, 4, 7],
	        7: [3, 6, 8, 9],
	        8: [5, 7],
	        9: [5, 7],
	    },
	    {
	        0: [1, 3],
	        1: [0, 2, 4],
	        2: [1, 3, 4],
	        3: [0, 2, 4],
	        4: [1, 2, 3],
	    },
	][index]





def 	_lowerCAmelCase					( UpperCamelCase__:  dict[int, list[int]]    )			-> list[tuple[int, int]]:





	"""simple docstring"""







	A             =					0
	A             =					len(UpperCamelCase__    )  # No of vertices in graph
	A             =					[0] * n
	A             =					[False] * n

	def dfs(UpperCamelCase__:  Union[str, Any]				,       UpperCamelCase__:  str				,       UpperCamelCase__:  Union[str, Any]				,       UpperCamelCase__:  Any    ):
		A             =					True
		A             =					id_
		id_ += 1
		for to in graph[at]:
			if to == parent:
				pass
			elif not visited[to]:
				dfs(UpperCamelCase__				,       UpperCamelCase__				,       UpperCamelCase__				,       id_    )
				A             =					min(low[at]				,       low[to]    )
				if id_ <= low[to]:
					bridges.append((at, to) if at < to else (to, at)    )
			else:
				# This edge is a back edge and cannot be a bridge
				A             =					min(low[at]				,       low[to]    )

	A             =					[]
	for i in range(UpperCamelCase__    ):
		if not visited[i]:
			dfs(UpperCamelCase__				,       -1				,       UpperCamelCase__				,       id_    )
	return bridges


if __name__ == "__main__":
				import doctest

				doctest.testmod()



