





'''simple docstring'''




# Imports
import numpy as np


class  SCREAMING_SNAKE_CASE    :


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

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self						,	_UpperCAmelCase=None						,	_UpperCAmelCase=None						,	_UpperCAmelCase=None						,	_UpperCAmelCase=None						,	_UpperCAmelCase=None):

          '''simple docstring'''






          if red is not None:
               __A						: Dict      =       red
          if green is not None:
               __A						: List[Any]      =       green
          if blue is not None:
               __A						: Optional[Any]      =       blue
          if red_edge is not None:
               __A						: Optional[Any]      =       red_edge
          if nir is not None:
               __A						: Optional[Any]      =       nir
          return True


     def 							SCREAMING_SNAKE_CASE  (						self						,	_UpperCAmelCase=""						,	_UpperCAmelCase=None						,	_UpperCAmelCase=None						,	_UpperCAmelCase=None						,	_UpperCAmelCase=None						,	_UpperCAmelCase=None):

          '''simple docstring'''






          self.set_matricies(red=_UpperCAmelCase						,	green=_UpperCAmelCase						,	blue=_UpperCAmelCase						,	red_edge=_UpperCAmelCase						,	nir=_UpperCAmelCase)
          __A						: Optional[int]      =       {
              '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 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self						,	_UpperCAmelCase=0.08						,	_UpperCAmelCase=1.22						,	_UpperCAmelCase=0.03):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






          __A						: Dict      =       self.ndvi()
          return ((ndvi + 0.5) / (abs(ndvi + 0.5))) * (abs(ndvi + 0.5) ** (1 / 2))


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






          return self.nir - self.green


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






          __A						: 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 							SCREAMING_SNAKE_CASE  (						self						,	_UpperCAmelCase=0.16):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self						,	_UpperCAmelCase=0.5):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self						,	_UpperCAmelCase=None						,	_UpperCAmelCase=None):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






          return self.nir / self.red


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






          __A						: Union[str, Any]      =       np.max([np.max(self.red), np.max(self.green), np.max(self.blue)])
          __A						: Dict      =       np.min([np.min(self.red), np.min(self.green), np.min(self.blue)])
          return (max_value - min_value) / max_value


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






          return self.nir / self.red


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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


     def 							SCREAMING_SNAKE_CASE  (						self):

          '''simple docstring'''






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






'''simple docstring'''




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        _lowerCAmelCase			(  __snake_case  : Optional[Any] ,							__snake_case  : Optional[int]			)     ->     List[str]:
     __A						: List[str]      =       k_size // 2
     __A ,__A						: List[Any]      =       mgrid[0 - center : k_size - center, 0 - center : k_size - center]
     __A						: List[Any]      =       1 / (2 * pi * sigma) * exp(-(square(__snake_case			) + square(__snake_case			)) / (2 * square(__snake_case			))			)
     return g






def        _lowerCAmelCase			(  __snake_case  : List[str] ,							__snake_case  : List[str] ,							__snake_case  : int			)     ->     Union[str, Any]:
     __A ,__A						: Tuple      =       image.shape[0], image.shape[1]
     # dst image height and width
     __A						: Tuple      =       height - k_size + 1
     __A						: Optional[Any]      =       width - k_size + 1

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

     #  turn the kernel into shape(k*k, 1)
     __A						: List[Any]      =       gen_gaussian_kernel(__snake_case ,							__snake_case			)
     __A						: Any      =       ravel(__snake_case			)

     # reshape and get the dst image
     __A						: Dict      =       dot(__snake_case ,							__snake_case			).reshape(__snake_case ,							__snake_case			).astype(__snake_case			)

     return dst


if __name__ == "__main__":
  # read original image
  lowercase__    :      List[Any]						=    imread(r'''../image_data/lena.jpg''')
  # turn image in gray scale value
  lowercase__    :      Dict						=    cvtColor(img, COLOR_BGR2GRAY)

  # get values with two different mask size
  lowercase__    :      Any						=    gaussian_filter(gray, 3, sigma=1)
  lowercase__    :      str						=    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()