use PDL;
use PDL::IO::Pic;
$img = rpic 'filename.png';
$img *= $scale_factor;
$img->wpic('filename2.png');

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Hopefully fairly self-explanatory. That's literally all you need to do. See PDL::IO::Pic for more on image read/writing, and PDL::QuickStart for more on PDL use.

In reply to Re: Image processing by etj
in thread Image processing by zieglers

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