gaussian_conv_vyv.h File Reference

Vliet-Young-Verbeek approximate Gaussian convolution. More...

Detailed Description

Vliet-Young-Verbeek approximate Gaussian convolution.

Author

Pascal Getreuer getre.nosp@m.uer@.nosp@m.cmla..nosp@m.ens-.nosp@m.cacha.nosp@m.n.fr

Copyright (c) 2012, Pascal Getreuer All rights reserved.

This program is free software: you can redistribute it and/or modify it under, at your option, the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version, or the terms of the simplified BSD license.

You should have received a copy of these licenses along this program. If not, see http://www.gnu.org/licenses/ and http://www.opensource.org/licenses/bsd-license.html.

Definition in file gaussian_conv_vyv.h.

#include "num.h"

Go to the source code of this file.

Data Structures
struct	vyv_coeffs_
	Coefficients for Vliet-Young-Verbeek Gaussian approximation. More...

Macros
#define	VYV_MIN_K   3
	Minimum valid VYV filter order.
#define	VYV_MAX_K   5
	Maximum valid VYV filter order.
#define	VYV_VALID_K(K)   (VYV_MIN_K <= (K) && (K) <= VYV_MAX_K)
	Test whether a given K value is a valid VYV filter order.

Typedefs
typedef struct vyv_coeffs_	vyv_coeffs
	Coefficients for Vliet-Young-Verbeek Gaussian approximation. More...

Functions
void	vyv_precomp (vyv_coeffs *c, double sigma, int K, num tol)
	Precomputations for Vliet-Young-Verbeek Gaussian approximation. More...
void	vyv_gaussian_conv (vyv_coeffs c, num *dest, const num *src, long N, long stride)
	Gaussian convolution Vliet-Young-Verbeek approximation. More...
void	vyv_gaussian_conv_image (vyv_coeffs c, num *dest, const num *src, int width, int height, int num_channels)
	2D Gaussian convolution Vliet-Young-Verbeek approximation More...