Math operations for IP algorithms. More...

Functions
double	lanczos (double x, std::ptrdiff_t a)
	Lanczos response at point xLanczos response is defined as: x == 0: 1 -a < x && x < a: 0 otherwise: normalized_sinc(x) / normalized_sinc(x / a)

void	generate_normalized_mean (boost::gil::gray32f_view_t dst)
	Generate mean kernelFills supplied view with normalized mean in which all entries will be equal to. More...

void	generate_unnormalized_mean (boost::gil::gray32f_view_t dst)
	Generate kernel with all 1sFills supplied view with 1s (ones)

void	generate_gaussian_kernel (boost::gil::gray32f_view_t dst, double sigma)
	Generate Gaussian kernelFills supplied view with values taken from Gaussian distribution. See https://en.wikipedia.org/wiki/Gaussian_blur.

Detailed Description

Math operations for IP algorithms.

This is mostly handful of mathemtical operations that are required by other image processing algorithms

Normalized cardinal sine

normalized_sinc(x) = sin(pi * x) / (pi * x)

Function Documentation

void boost::gil::generate_normalized_mean ( boost::gil::gray32f_view_t dst )

inline

Generate mean kernelFills supplied view with normalized mean in which all entries will be equal to.

1 / (dst.size())