returns a gaussian coefficient for point x,y distance from the centre of the distribution. This formula derived from code of LeCun. See python code at the bottom of the class LocalContrastNormalisation.

Declaration

public static double Gauss(int x, int y, double sigma)

Parameters

Type	Name	Description
Int32	x
Int32	y
Double	sigma

Returns

Type	Description
Double

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Gaussian_filter(Int32)

returns a 2-D Gaussian filter with side corresponding to 2 sigma. This formula derived from code of LeCun. See python code at the bottom of the class LocalContrastNormalisation.

Declaration

public static double[, ] Gaussian_filter(int side)

Parameters

Type	Name	Description
Int32	side

Returns

Type	Description
Double[,]