im_gaussnoise3
Creates a gaussian noisy picture
Usage
#include <vips/vips.h>
int im_gaussnoise(image, xsize, ysize, mean, sigma)
IMAGE *image;
int xsize, ysize;
double mean, sigma;
Overview
im_gaussnoise() creates a float one band gaussian noise picture of size xsize by ysize. The created image has mean mean and square root of variance equal to sigma. The noise is generated by averaging 12 random numbers.
Return value
The function returns 0 on success and -1 on error.
Releases
Unchanged in 4 releases since Debian 3.1 (Sarge).