1IM_FAV4(3)                 Library Functions Manual                 IM_FAV4(3)
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NAME

6       im_fav4 - averages four frames
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SYNOPSIS

9       #include <vips/vips.h>
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11       int im_fav4(in, out)
12       IMAGE **in, *out;
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DESCRIPTION

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

21       returns 0 on success or -1 on error
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SEE ALSO

24       add(1)
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27       K. Martinez 13/4/92
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32                                 13 April 1992                      IM_FAV4(3)
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