| .TH IM_GAUSNOISE 3 "10 May 1991" |
| .SH NAME |
| im_gaussnoise \- creates a gaussian noisy picture |
| .SH SYNOPSIS |
| #include <vips/vips.h> |
| |
| int im_gaussnoise(image, xsize, ysize, mean, sigma) |
| .br |
| IMAGE *image; |
| .br |
| int xsize, ysize; |
| .br |
| double mean, sigma; |
| |
| .SH DESCRIPTION |
| 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. |
| |
| .SH RETURN VALUE |
| The function returns 0 on success and -1 on error. |
| .SH SEE ALSO |
| im_grey(3), im_addgnoise(3). |
| .SH COPYRIGHT |
| N. Dessipris |
| .SH AUTHOR |
| N. Dessipris \- 10/05/1991 |