


import cva
import numpy as np







class 				snake_case__:







						'''simple docstring'''




						def __init__(				self   ,						__lowercase   ,						__lowercase							)					->    List[Any]:

										if k in (0.04, 0.06):
														lowerCAmelCase_ :      Tuple    				=				k
														lowerCAmelCase_ :      List[str]    				=				window_size
										else:
														raise ValueError('''invalid k value'''							)




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




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

																		lowerCAmelCase_ :      List[str]    				=				(wxx * wyy) - (wxy**2)
																		lowerCAmelCase_ :      Any    				=				wxx + wyy
																		lowerCAmelCase_ :      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)   ,						2_5_5							)
										return color_img, corner_list


if __name__ == "__main__":
						_UpperCAmelCase			:  Optional[int]     =HarrisCorner(0.04, 3)
						_UpperCAmelCase			:  int     =edge_detect.detect("""path_to_image""")
						cva.imwrite("""detect.png""", color_img)



from __future__ import annotations

# This is the precision for this function which can be altered.
# It is recommended for users to keep this number greater than or equal to 10.
_UpperCAmelCase			:  Tuple     =10



def 			lowerCAmelCase (		lowerCAmelCase_ ,   lowerCAmelCase_ ,   lowerCAmelCase_ ,   lowerCAmelCase_ )-> int:
				for i in range(lowerCAmelCase_ ,   lowerCAmelCase_ ):
								if array[i] == target:
												return i
				return -1



def 			lowerCAmelCase (		lowerCAmelCase_ ,   lowerCAmelCase_ )-> int:
				lowerCAmelCase_ :      Any    				=				0
				lowerCAmelCase_ :      int    				=				len(lowerCAmelCase_ )
				while left <= right:
								if right - left < precision:
												return lin_search(lowerCAmelCase_ ,   lowerCAmelCase_ ,   lowerCAmelCase_ ,   lowerCAmelCase_ )

								lowerCAmelCase_ :      List[Any]    				=				(left + right) // 3 + 1
								lowerCAmelCase_ :      List[str]    				=				2 * (left + right) // 3 + 1

								if array[one_third] == target:
												return one_third
								elif array[two_third] == target:
												return two_third

								elif target < array[one_third]:
												lowerCAmelCase_ :      Dict    				=				one_third - 1
								elif array[two_third] < target:
												lowerCAmelCase_ :      List[Any]    				=				two_third + 1

								else:
												lowerCAmelCase_ :      Union[str, Any]    				=				one_third + 1
												lowerCAmelCase_ :      Tuple    				=				two_third - 1
				else:
								return -1



def 			lowerCAmelCase (		lowerCAmelCase_ ,   lowerCAmelCase_ ,   lowerCAmelCase_ ,   lowerCAmelCase_ )-> int:
				if left < right:
								if right - left < precision:
												return lin_search(lowerCAmelCase_ ,   lowerCAmelCase_ ,   lowerCAmelCase_ ,   lowerCAmelCase_ )
								lowerCAmelCase_ :      Union[str, Any]    				=				(left + right) // 3 + 1
								lowerCAmelCase_ :      Optional[int]    				=				2 * (left + right) // 3 + 1

								if array[one_third] == target:
												return one_third
								elif array[two_third] == target:
												return two_third

								elif target < array[one_third]:
												return rec_ternary_search(lowerCAmelCase_ ,   one_third - 1 ,   lowerCAmelCase_ ,   lowerCAmelCase_ )
								elif array[two_third] < target:
												return rec_ternary_search(two_third + 1 ,   lowerCAmelCase_ ,   lowerCAmelCase_ ,   lowerCAmelCase_ )
								else:
												return rec_ternary_search(one_third + 1 ,   two_third - 1 ,   lowerCAmelCase_ ,   lowerCAmelCase_ )
				else:
								return -1


if __name__ == "__main__":
						import doctest

						doctest.testmod()

						_UpperCAmelCase			:  Tuple     =input("""Enter numbers separated by comma:\n""").strip()
						_UpperCAmelCase			:  Union[str, Any]     =[int(item.strip()) for item in user_input.split(""",""")]
						assert collection == sorted(collection), f"List must be ordered.\n{collection}."
						_UpperCAmelCase			:  int     =int(input("""Enter the number to be found in the list:\n""").strip())
						_UpperCAmelCase			:  Optional[Any]     =ite_ternary_search(collection, target)
						_UpperCAmelCase			:  List[str]     =rec_ternary_search(0, len(collection) - 1, collection, target)
						if resulta != -1:
												print(f"""Iterative search: {target} found at positions: {resulta}""")
												print(f"""Recursive search: {target} found at positions: {resulta}""")
						else:
												print("""Not found""")