Manual Reference Pages - IMAGE::COMPARE::AVG_THRESHOLD (3)
Image::Compare::AVG_THRESHOLD - Compare two images by the overall average
color difference of their pixels.
See the docs for Image::Compare for details on how to use this
module. Further documentation is meant for those modifying or subclassing
this comparator. See the documentation in Image::Compare::Comparator for
general information about making your own comparator subclasses.
accumulate(\@pixel1, \@pixel2, $x, $y)
This method is called for each pixel in the two images to be compared. The
difference between each pair of pictures is collected and stored for later use
by get_result(). This method never short-circuits; when this comparator is
used, all pixels are compared, every time.
Returns either the median or the arithmetic mean of the values collected
by accumulate(), depending on the average type provided when this object
Copyright 2008 Avi Finkel <email@example.com>
This package is free software and is provided as is without express
or implied warranty. It may be used, redistributed and/or modified
under the terms of the Perl Artistic License (see
|perl v5.20.3 ||IMAGE::COMPARE::AVG_THRESHOLD (3) ||2014-12-16 |
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