A Survey of Gaussian Convolution Algorithms
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Extended box filter Gaussian approximation. More...
Extended box filter Gaussian approximation.
Copyright (c) 2012-2013, 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 with this program. If not, see http://www.gnu.org/licenses/ and http://www.opensource.org/licenses/bsd-license.html.
Definition in file gaussian_conv_ebox.h.
#include "num.h"
Go to the source code of this file.
Data Structures | |
struct | ebox_coeffs_ |
Coefficients for extended box filter Gaussian approximation. More... | |
Typedefs | |
typedef struct ebox_coeffs_ | ebox_coeffs |
Coefficients for extended box filter Gaussian approximation. | |
Functions | |
void | ebox_precomp (ebox_coeffs *c, double sigma, int K) |
Precompute coefficients for extended box filtering. More... | |
void | ebox_gaussian_conv (ebox_coeffs c, num *dest, num *buffer, const num *src, long N, long stride) |
Extended box filtering approximation of Gaussian convolution. More... | |
void | ebox_gaussian_conv_image (ebox_coeffs c, num *dest, num *buffer, const num *src, int width, int height, int num_channels) |
Extended box filtering approximation of 2D Gaussian convolution. More... | |