Six Color Scanning

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06-23-2008

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Six Color Scanning

HPL-2008-68 Six Color Scanning - Hunter, Andrew; DiCarlo, Jeffrey; Pollard, Stephen
Keyword(s): scanner, 6-color, color-accuracy, illumination, CCFL, phosphors, CCD, regression, color correction
Abstract: Scanner color accuracy is of growing importance as more and more people want to scan color photographs. Traditional three color scanners can suffer from color reproduction errors due to the significant mismatch between their spectral sensitivities and those of the human visual system. In this paper ...
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graphics::color::yiq

Graphics::Color::YIQ(3pm)				User Contributed Perl Documentation				 Graphics::Color::YIQ(3pm)

NAME

       Graphics::Color::YIQ - YIQ color space

VERSION

       version 0.29

SYNOPSIS

	   use Graphics::Color::YIQ;

	   my $color = Graphics::Color::YIQ->new({
	       luminance   => 0.5,
	       in_phase    => .5,
	       quadrature  => .25,
	   });

DESCRIPTION

       Graphics::Color::YIQ represents a Color in an YIQ color space.

DISCLAIMER

       I couldn't find clear information on the bounds of each value, so at the moment there are none.

ATTRIBUTES

   luminance
   y
       Set/Get the luminance component of this Color.

   in_phase
   i
       Set/Get the in_phase component of this Color.

   quadrature
   q
       Set/Get the quadrature component of this Color.

   name
       Get the name of this color.  Only valid if the color was created by name.

   not_equal_to
       The opposite of equal_to.

METHODS

   as_string
       Get a string version of this Color in the form of LUMINANCE,IN-PHASE,QUADRATURE

   as_array
       Get the YIQ values as an array

   equal_to
       Compares this color to the provided one.  Returns 1 if true, else 0;

AUTHOR

       Cory G Watson <gphat@cpan.org>

COPYRIGHT AND LICENSE

       This software is copyright (c) 2011 by Cold Hard Code, LLC.

       This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

perl v5.12.4							    2011-08-11						 Graphics::Color::YIQ(3pm)

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