

from cva import COLOR_BGR2GRAY, cvtColor, imread, imshow, waitKey
from numpy import array, dot, pad, ravel, uinta, zeros


def    _UpperCAmelCase    (					_SCREAMING_SNAKE_CASE   :						int	,				_SCREAMING_SNAKE_CASE   :						Dict    ):





    """simple docstring"""


    SCREAMING_SNAKE_CASE_							,     SCREAMING_SNAKE_CASE_													=  image.shape
    SCREAMING_SNAKE_CASE_													=  cols - block_size[1] + 1
    SCREAMING_SNAKE_CASE_													=  rows - block_size[0] + 1
    SCREAMING_SNAKE_CASE_													=  zeros((dst_height * dst_width, block_size[1] * block_size[0])    )
    SCREAMING_SNAKE_CASE_													=  0
    for i in range(0	,				_SCREAMING_SNAKE_CASE    ):
        for j in range(0	,				_SCREAMING_SNAKE_CASE    ):
            SCREAMING_SNAKE_CASE_													=  ravel(image[i : i + block_size[0], j : j + block_size[1]]    )
            SCREAMING_SNAKE_CASE_													=  window
            row += 1

    return image_array


def    _UpperCAmelCase    (					_SCREAMING_SNAKE_CASE   :						int	,				_SCREAMING_SNAKE_CASE   :						int    ):





    """simple docstring"""


    SCREAMING_SNAKE_CASE_							,     SCREAMING_SNAKE_CASE_													=  image.shape[0], image.shape[1]
    SCREAMING_SNAKE_CASE_													=  filter_kernel.shape[0]
    SCREAMING_SNAKE_CASE_													=  k_size // 2
    # Pads image with the edge values of array.
    SCREAMING_SNAKE_CASE_													=  pad(_SCREAMING_SNAKE_CASE	,				_SCREAMING_SNAKE_CASE	,				mode='edge'    )

    # im2col, turn the k_size*k_size pixels into a row and np.vstack all rows
    SCREAMING_SNAKE_CASE_													=  imacol(_SCREAMING_SNAKE_CASE	,				(k_size, k_size)    )

    #  turn the kernel into shape(k*k, 1)
    SCREAMING_SNAKE_CASE_													=  ravel(_SCREAMING_SNAKE_CASE    )
    # reshape and get the dst image
    SCREAMING_SNAKE_CASE_													=  dot(_SCREAMING_SNAKE_CASE	,				_SCREAMING_SNAKE_CASE    ).reshape(_SCREAMING_SNAKE_CASE	,				_SCREAMING_SNAKE_CASE    )
    return dst


if __name__ == "__main__":
       # read original image
       UpperCamelCase__					: List[Any]								=      imread(r"../image_data/lena.jpg")
       # turn image in gray scale value
       UpperCamelCase__					: Union[str, Any]								=      cvtColor(img, COLOR_BGR2GRAY)
       # Laplace operator
       UpperCamelCase__					: Tuple								=      array([[0, 1, 0], [1, -4, 1], [0, 1, 0]])
       UpperCamelCase__					: List[Any]								=      img_convolve(gray, Laplace_kernel).astype(uinta)
       imshow("Laplacian", out)
       waitKey(0)





def    _UpperCAmelCase    (					_SCREAMING_SNAKE_CASE   :						float	,				_SCREAMING_SNAKE_CASE   :						float    ):





    """simple docstring"""


    return a + b


if __name__ == "__main__":
       UpperCamelCase__					: Union[str, Any]								=      5
       UpperCamelCase__					: List[Any]								=      6
       print(F'The sum of {a} + {b} is {add(a, b)}')


