28 lines
659 B
Groff
28 lines
659 B
Groff
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.TH IM_GAUSNOISE 3 "10 May 1991"
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.SH NAME
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im_gaussnoise \- creates a gaussian noisy picture
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.SH SYNOPSIS
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#include <vips/vips.h>
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int im_gaussnoise(image, xsize, ysize, mean, sigma)
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.br
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IMAGE *image;
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.br
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int xsize, ysize;
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.br
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double mean, sigma;
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.SH DESCRIPTION
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im_gaussnoise() creates a float one band gaussian noise picture of size xsize
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by ysize. The created image has mean mean and square root of variance equal
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to sigma. The noise is generated by averaging 12 random numbers.
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.SH RETURN VALUE
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The function returns 0 on success and -1 on error.
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.SH SEE ALSO
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im_grey(3), im_addgnoise(3).
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.SH COPYRIGHT
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N. Dessipris
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.SH AUTHOR
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N. Dessipris \- 10/05/1991
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