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