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=head1 NAME

feedback - Take an image and feed it back onto itself multiple times

=head1 SYNOPSIS

<Image>/Filters/Noise/Feedback...

=head1 DESCRIPTION

This plug-in simulates video feedback. It makes for kinda a neat desktop
if you're into that sort of thing.

=head1 PARAMETERS

  [PF_SLIDER, "offset", "Amount the frames will offset", 3, [0, 255, 1]],
  [PF_SLIDER, "repeat", "Number of times to repeat the illusion", 3, [0, 100, 1]],

=head1 IMAGE TYPES

RGB, GRAY