
"""simple docstring"""
import numpy as np
from cva import COLOR_BGR2GRAY, cvtColor, imread, imshow, waitKey

from digital_image_processing.filters.convolve import img_convolve
def 					a__ ( a :					Optional[Any]		):

  """simple docstring"""







  _snake_case  :    str            = np.array([[-1, 0, 1], [-2, 0, 2], [-1, 0, 1]]		)
  _snake_case  :    Tuple            = np.array([[1, 2, 1], [0, 0, 0], [-1, -2, -1]]		)

  _snake_case  :    Optional[Any]            = np.abs(img_convolve(__lowercase							,  __lowercase		)		)
  _snake_case  :    Any            = np.abs(img_convolve(__lowercase							,  __lowercase		)		)
  # modify the pix within [0, 255]
  _snake_case  :    List[str]            = dst_x * 255 / np.max(__lowercase		)
  _snake_case  :    List[str]            = dst_y * 255 / np.max(__lowercase		)

  _snake_case  :    List[str]            = np.sqrt((np.square(__lowercase		)) + (np.square(__lowercase		))		)
  _snake_case  :    int            = dst_xy * 255 / np.max(__lowercase		)
  _snake_case  :    Optional[Any]            = dst_xy.astype(np.uinta		)

  _snake_case  :    List[Any]            = np.arctana(__lowercase							,  __lowercase		)
  return dst, theta


if __name__ == "__main__":
    # read original image
    _a   :      Optional[int]       =				imread("""../image_data/lena.jpg""")
    # turn image in gray scale value
    _a   :      Optional[Any]       =				cvtColor(img, COLOR_BGR2GRAY)

    _a,      _a   :      List[Any]       =				sobel_filter(gray)

    # show result images
    imshow("""sobel filter""", sobel_grad)
    imshow("""sobel theta""", sobel_theta)
    waitKey(0)





"""simple docstring"""


from .hash_table import HashTable
class snake_case   (	_UpperCamelCase):







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





						'''simple docstring'''







						super().__init__(*a__     , **a__		)







		def 			a_			(       self   :							Tuple     , a__   :							int     , a__   :							str=None		)							->    Optional[int]:





						'''simple docstring'''







						_A       	=      1
						_A       	=      self.hash_function(key + i * i		)

						while self.values[new_key] is not None and self.values[new_key] != key:
										i += 1
										_A       	=      (
										    self.hash_function(key + i * i		)
										    if not self.balanced_factor() >= self.lim_charge
										    else None
										)

										if new_key is None:
														break

						return new_key