<!-- manual page source format generated by PolyglotMan v3.2, --> <!-- available at http://polyglotman.sourceforge.net/ --> <html> <head> <title>IM_GAUSNOISE(3) manual page</title> </head> <body bgcolor='white'> <a href='#toc'>Table of Contents</a><p> <h2><a name='sect0' href='#toc0'>Name</a></h2> im_gaussnoise - creates a gaussian noisy picture <h2><a name='sect1' href='#toc1'>Synopsis</a></h2> #include <vips/vips.h> <p> int im_gaussnoise(image, xsize, ysize, mean, sigma) <br> IMAGE *image; <br> int xsize, ysize; <br> double mean, sigma; <p> <h2><a name='sect2' href='#toc2'>Description</a></h2> 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. <p> <h2><a name='sect3' href='#toc3'>Return Value</a></h2> The function returns 0 on success and -1 on error. <h2><a name='sect4' href='#toc4'>See Also</a></h2> <a href='im_grey.3.html'>im_grey(3)</a> , <a href='im_addgnoise.3.html'>im_addgnoise(3)</a> . <h2><a name='sect5' href='#toc5'>Copyright</a></h2> N. Dessipris <h2><a name='sect6' href='#toc6'>Author</a></h2> N. Dessipris - 10/05/1991 <p> <hr><p> <a name='toc'><b>Table of Contents</b></a><p> <ul> <li><a name='toc0' href='#sect0'>Name</a></li> <li><a name='toc1' href='#sect1'>Synopsis</a></li> <li><a name='toc2' href='#sect2'>Description</a></li> <li><a name='toc3' href='#sect3'>Return Value</a></li> <li><a name='toc4' href='#sect4'>See Also</a></li> <li><a name='toc5' href='#sect5'>Copyright</a></li> <li><a name='toc6' href='#sect6'>Author</a></li> </ul> </body> </html>
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