A Survey of Gaussian Convolution Algorithms
Data Structures | Functions
gaussian_demo.c File Reference

Gaussian convolution demo. More...

Detailed Description

Gaussian convolution demo.

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

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 this program. If not, see http://www.gnu.org/licenses/ and http://www.opensource.org/licenses/bsd-license.html.

Definition in file gaussian_demo.c.

#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "imageio.h"
#include "gaussian_conv_fir.h"
#include "gaussian_conv_dct.h"
#include "gaussian_conv_box.h"
#include "gaussian_conv_ebox.h"
#include "gaussian_conv_sii.h"
#include "gaussian_conv_am.h"
#include "gaussian_conv_deriche.h"
#include "gaussian_conv_vyv.h"

Go to the source code of this file.

Data Structures

struct  program_params
 struct of program parameters More...


void print_usage ()
 Print program usage help message.
int parse_params (program_params *param, int argc, char **argv)
 Parse command line arguments.
int is_grayscale (const num *rgb_image, long num_pixels)
 Test whether image is grayscale (R = G = B) More...
void normalize (num *output_image, long num_pixels)
int main (int argc, char **argv)

Function Documentation

int is_grayscale ( const num rgb_image,
long  num_pixels 

Test whether image is grayscale (R = G = B)

rgb_imageimage in planar order
num_pixelsnumber of pixels
1 if the image is grayscale, 0 otherwise

Definition at line 306 of file gaussian_demo.c.