IM_FAV4(3)

NAME

im_fav4 - averages four frames

SYNOPSIS

#include <vips/vips.h>

int im_fav4(in, out)
IMAGE **in, *out;

DESCRIPTION

im_fav4 averages four input VIPS images, which must be unsigned byte images with any number of bands. This is useful for noise reduction by grabbing 4 frames and averaging them. With 7 bit images this will give quite a convincing eighth bit.

RETURN VALUE

returns 0 on success or -1 on error

SEE ALSO

add(1)

COPYRIGHT

K. Martinez 13/4/92

13 April 1992 IM_FAV4(3)