


# Imports
import numpy as np



class    UpperCAmelCase_	:
							'''simple docstring'''






							def __init__(     self ,					__SCREAMING_SNAKE_CASE=None ,					__SCREAMING_SNAKE_CASE=None ,					__SCREAMING_SNAKE_CASE=None ,					__SCREAMING_SNAKE_CASE=None ,					__SCREAMING_SNAKE_CASE=None						):




														"""simple docstring"""




														self.set_matricies(red=__SCREAMING_SNAKE_CASE ,					green=__SCREAMING_SNAKE_CASE ,					blue=__SCREAMING_SNAKE_CASE ,					red_edge=__SCREAMING_SNAKE_CASE ,					nir=__SCREAMING_SNAKE_CASE						)






							def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE=None ,					__SCREAMING_SNAKE_CASE=None ,					__SCREAMING_SNAKE_CASE=None ,					__SCREAMING_SNAKE_CASE=None ,					__SCREAMING_SNAKE_CASE=None						):




														"""simple docstring"""




														if red is not None:
																					UpperCamelCase    :	List[str]   	=		red
														if green is not None:
																					UpperCamelCase    :	Dict   	=		green
														if blue is not None:
																					UpperCamelCase    :	List[str]   	=		blue
														if red_edge is not None:
																					UpperCamelCase    :	Union[str, Any]   	=		red_edge
														if nir is not None:
																					UpperCamelCase    :	Dict   	=		nir
														return True






							def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE="" ,					__SCREAMING_SNAKE_CASE=None ,					__SCREAMING_SNAKE_CASE=None ,					__SCREAMING_SNAKE_CASE=None ,					__SCREAMING_SNAKE_CASE=None ,					__SCREAMING_SNAKE_CASE=None						):




														"""simple docstring"""




														self.set_matricies(red=__SCREAMING_SNAKE_CASE ,					green=__SCREAMING_SNAKE_CASE ,					blue=__SCREAMING_SNAKE_CASE ,					red_edge=__SCREAMING_SNAKE_CASE ,					nir=__SCREAMING_SNAKE_CASE						)
														UpperCamelCase    :	Tuple   	=		{
														    '''ARVI2''': self.arvaa,
														    '''CCCI''': self.ccci,
														    '''CVI''': self.cvi,
														    '''GLI''': self.gli,
														    '''NDVI''': self.ndvi,
														    '''BNDVI''': self.bndvi,
														    '''redEdgeNDVI''': self.red_edge_ndvi,
														    '''GNDVI''': self.gndvi,
														    '''GBNDVI''': self.gbndvi,
														    '''GRNDVI''': self.grndvi,
														    '''RBNDVI''': self.rbndvi,
														    '''PNDVI''': self.pndvi,
														    '''ATSAVI''': self.atsavi,
														    '''BWDRVI''': self.bwdrvi,
														    '''CIgreen''': self.ci_green,
														    '''CIrededge''': self.ci_rededge,
														    '''CI''': self.ci,
														    '''CTVI''': self.ctvi,
														    '''GDVI''': self.gdvi,
														    '''EVI''': self.evi,
														    '''GEMI''': self.gemi,
														    '''GOSAVI''': self.gosavi,
														    '''GSAVI''': self.gsavi,
														    '''Hue''': self.hue,
														    '''IVI''': self.ivi,
														    '''IPVI''': self.ipvi,
														    '''I''': self.i,
														    '''RVI''': self.rvi,
														    '''MRVI''': self.mrvi,
														    '''MSAVI''': self.m_savi,
														    '''NormG''': self.norm_g,
														    '''NormNIR''': self.norm_nir,
														    '''NormR''': self.norm_r,
														    '''NGRDI''': self.ngrdi,
														    '''RI''': self.ri,
														    '''S''': self.s,
														    '''IF''': self._if,
														    '''DVI''': self.dvi,
														    '''TVI''': self.tvi,
														    '''NDRE''': self.ndre,
														}

														try:
																					return funcs[index]()
														except KeyError:
																					print('''Index not in the list!'''						)
																					return False






							def  _lowercase   (     self						):




														"""simple docstring"""




														return -0.18 + (1.17 * ((self.nir - self.red) / (self.nir + self.red)))






							def  _lowercase   (     self						):




														"""simple docstring"""




														return ((self.nir - self.redEdge) / (self.nir + self.redEdge)) / (
														    (self.nir - self.red) / (self.nir + self.red)
														)






							def  _lowercase   (     self						):




														"""simple docstring"""




														return self.nir * (self.red / (self.green**2))






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (2 * self.green - self.red - self.blue) / (
														    2 * self.green + self.red + self.blue
														)






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (self.nir - self.red) / (self.nir + self.red)






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (self.nir - self.blue) / (self.nir + self.blue)






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (self.redEdge - self.red) / (self.redEdge + self.red)






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (self.nir - self.green) / (self.nir + self.green)






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (self.nir - (self.green + self.blue)) / (
														    self.nir + (self.green + self.blue)
														)






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (self.nir - (self.green + self.red)) / (
														    self.nir + (self.green + self.red)
														)






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (self.nir - (self.blue + self.red)) / (self.nir + (self.blue + self.red))






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (self.nir - (self.green + self.red + self.blue)) / (
														    self.nir + (self.green + self.red + self.blue)
														)






							def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE=0.08 ,					__SCREAMING_SNAKE_CASE=1.22 ,					__SCREAMING_SNAKE_CASE=0.03						):




														"""simple docstring"""




														return a * (
														    (self.nir - a * self.red - b)
														    / (a * self.nir + self.red - a * b + x * (1 + a**2))
														)






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (0.1 * self.nir - self.blue) / (0.1 * self.nir + self.blue)






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (self.nir / self.green) - 1






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (self.nir / self.redEdge) - 1






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (self.red - self.blue) / self.red






							def  _lowercase   (     self						):




														"""simple docstring"""




														UpperCamelCase    :	Any   	=		self.ndvi()
														return ((ndvi + 0.5) / (abs(ndvi + 0.5						))) * (abs(ndvi + 0.5						) ** (1 / 2))






							def  _lowercase   (     self						):




														"""simple docstring"""




														return self.nir - self.green






							def  _lowercase   (     self						):




														"""simple docstring"""




														return 2.5 * (
														    (self.nir - self.red) / (self.nir + 6 * self.red - 7.5 * self.blue + 1)
														)






							def  _lowercase   (     self						):




														"""simple docstring"""




														UpperCamelCase    :	Tuple   	=		(2 * (self.nir**2 - self.red**2) + 1.5 * self.nir + 0.5 * self.red) / (
														    self.nir + self.red + 0.5
														)
														return n * (1 - 0.25 * n) - (self.red - 0.125) / (1 - self.red)






							def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE=0.16						):




														"""simple docstring"""




														return (self.nir - self.green) / (self.nir + self.green + y)






							def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE=0.5						):




														"""simple docstring"""




														return ((self.nir - self.green) / (self.nir + self.green + n)) * (1 + n)






							def  _lowercase   (     self						):




														"""simple docstring"""




														return np.arctan(
														    ((2 * self.red - self.green - self.blue) / 30.5) * (self.green - self.blue)						)






							def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE=None ,					__SCREAMING_SNAKE_CASE=None						):




														"""simple docstring"""




														return (self.nir - b) / (a * self.red)






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (self.nir / ((self.nir + self.red) / 2)) * (self.ndvi() + 1)






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (self.red + self.green + self.blue) / 30.5






							def  _lowercase   (     self						):




														"""simple docstring"""




														return self.nir / self.red






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (self.rvi() - 1) / (self.rvi() + 1)






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (
														    (2 * self.nir + 1)
														    - ((2 * self.nir + 1) ** 2 - 8 * (self.nir - self.red)) ** (1 / 2)
														) / 2






							def  _lowercase   (     self						):




														"""simple docstring"""




														return self.green / (self.nir + self.red + self.green)






							def  _lowercase   (     self						):




														"""simple docstring"""




														return self.nir / (self.nir + self.red + self.green)






							def  _lowercase   (     self						):




														"""simple docstring"""




														return self.red / (self.nir + self.red + self.green)






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (self.green - self.red) / (self.green + self.red)






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (self.red - self.green) / (self.red + self.green)






							def  _lowercase   (     self						):




														"""simple docstring"""




														UpperCamelCase    :	Tuple   	=		np.max([np.max(self.red						), np.max(self.green						), np.max(self.blue						)]						)
														UpperCamelCase    :	Any   	=		np.min([np.min(self.red						), np.min(self.green						), np.min(self.blue						)]						)
														return (max_value - min_value) / max_value






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (2 * self.red - self.green - self.blue) / (self.green - self.blue)






							def  _lowercase   (     self						):




														"""simple docstring"""




														return self.nir / self.red






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (self.ndvi() + 0.5) ** (1 / 2)






							def  _lowercase   (     self						):




														"""simple docstring"""




														return (self.nir - self.redEdge) / (self.nir + self.redEdge)





from itertools import product

from cva import COLOR_BGR2GRAY, cvtColor, imread, imshow, waitKey
from numpy import dot, exp, mgrid, pi, ravel, square, uinta, zeros


def      a	(							SCREAMING_SNAKE_CASE_      :		List[Any]							,			SCREAMING_SNAKE_CASE_      :		List[str]       ):






       """simple docstring"""





       UpperCamelCase    :	List[str]   	=		k_size // 2
       UpperCamelCase	, UpperCamelCase    :	Optional[int]   	=		mgrid[0 - center : k_size - center, 0 - center : k_size - center]
       UpperCamelCase    :	Dict   	=		1 / (2 * pi * sigma) * exp(-(square(SCREAMING_SNAKE_CASE_       ) + square(SCREAMING_SNAKE_CASE_       )) / (2 * square(SCREAMING_SNAKE_CASE_       ))       )
       return g


def      a	(							SCREAMING_SNAKE_CASE_      :		Dict							,			SCREAMING_SNAKE_CASE_      :		Optional[int]							,			SCREAMING_SNAKE_CASE_      :		int       ):






       """simple docstring"""





       UpperCamelCase	, UpperCamelCase    :	Tuple   	=		image.shape[0], image.shape[1]
       # dst image height and width
       UpperCamelCase    :	str   	=		height - k_size + 1
       UpperCamelCase    :	Optional[int]   	=		width - k_size + 1

       # im2col, turn the k_size*k_size pixels into a row and np.vstack all rows
       UpperCamelCase    :	List[Any]   	=		zeros((dst_height * dst_width, k_size * k_size)       )
       UpperCamelCase    :	Tuple   	=		0
       for i, j in product(range(SCREAMING_SNAKE_CASE_       )							,			range(SCREAMING_SNAKE_CASE_       )       ):
              UpperCamelCase    :	Dict   	=		ravel(image[i : i + k_size, j : j + k_size]       )
              UpperCamelCase    :	Dict   	=		window
              row += 1

       #  turn the kernel into shape(k*k, 1)
       UpperCamelCase    :	Optional[int]   	=		gen_gaussian_kernel(SCREAMING_SNAKE_CASE_							,			SCREAMING_SNAKE_CASE_       )
       UpperCamelCase    :	List[Any]   	=		ravel(SCREAMING_SNAKE_CASE_       )

       # reshape and get the dst image
       UpperCamelCase    :	Optional[int]   	=		dot(SCREAMING_SNAKE_CASE_							,			SCREAMING_SNAKE_CASE_       ).reshape(SCREAMING_SNAKE_CASE_							,			SCREAMING_SNAKE_CASE_       ).astype(SCREAMING_SNAKE_CASE_       )

       return dst


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

  # get values with two different mask size
  __UpperCAmelCase : Optional[int] 			=				gaussian_filter(gray, 3, sigma=1)
  __UpperCAmelCase : List[Any] 			=				gaussian_filter(gray, 5, sigma=0.8)

  # show result images
  imshow("gaussian filter with 3x3 mask", gaussianaxa)
  imshow("gaussian filter with 5x5 mask", gaussianaxa)
  waitKey()

