Table of Contents

## Name

im_addgnoise - add gaussian noise to an image

## Synopsis

#include <vips/vips.h>

int im_addgnoise(in, out, sigma)
IMAGE *in, *out;
double sigma;

## Description

im_addgnoise() adds gaussian noise with mean 0 and standard deviation sigma to the image held by the image descriptor in and writes the result on the image descriptor out. The function works on any non-complex input image. Input can have any no of bands. The noise is generated by adding 12 random numbers.

## Return Value

The function returns 0 on success and -1 on error.

## See Also

im_add(3) , im_lintra(3) , im_multiply(3) .

## Copyright

N. Dessipris

## Author

N. Dessipris - 25/04/1991

Table of Contents

- Name
- Synopsis
- Description
- Return Value
- See Also
- Copyright
- Author