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NAME

       im_stats - calculate many image statistics in a single pass

SYNOPSIS

       #include <vips/vips.h>

       DOUBLEMASK *im_stats(in)
       IMAGE *in;

DESCRIPTION

       Find many image statistics in a single pass through the PELs. Returns a
       DOUBLEMASK of 6 columns by n+1 (where n is number of bands in image in)
       rows.   Columns  are  statistics,  and are, in order: minimum, maximum,
       sum, sum of squares, mean, standard deviation. Row 0 has statistics for
       all bands together, row 1 has stats for band 1, and so on.

       Non-complex images only!

RETURN VALUE

       NULL on error.

SEE ALSO

       im_avg(3), im_deviate(3)

COPYRIGHT

       National Gallery, 1992

                                24 October 1992