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Robust Color Image Enhancement of Digitized Books

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Old 01-07-2009
Robust Color Image Enhancement of Digitized Books
HPL-2009-4 Robust Color Image Enhancement of Digitized Books - Fan, Jian
Keyword(s): Document image segmentation, document image enhancement
Abstract: We present a spatial-variant framework for correcting uneven illumination and color cast, problems commonly associated with digitized books. The core of our method is a color image segmentation algorithm based on watershed transform and noise thresholding. We propose a threshold estimation method us ...
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prima::image::transparencycontrol

Prima::Image::TransparencyControl(3)			User Contributed Perl Documentation		      Prima::Image::TransparencyControl(3)

NAME

       Prima::Image::TransparencyControl - standard dialog for transparent color index selection.

DESCRIPTION

       The module contains two classes - "Prima::Image::BasicTransparencyDialog" and "Prima::Image::TransparencyControl". The former provides a
       dialog, used by image codec-specific save options dialogs to select a transparent color index when saving an image to a file.
       "Prima::Image::TransparencyControl" is a widget class that displays the image palette and allow color rather than index selection.

Prima::Image::TransparencyControl
   Properties
       index INTEGER
	   Selects the palette index.

       image IMAGE
	   Selects image which palette is displayed, and the color index can be selected from.

   Events
       Change
	   Triggered when the user changes "index" property.

Prima::Image::BasicTransparencyDialog
   Methods
       transparent BOOLEAN
	   If 1, the transparent selection widgets are enabled, and the user can select the palette index. If 0, the widgets are disabled; the
	   image file is saved with no transparent color index.

	   The property can be toggled interactively by a checkbox.

AUTHOR

       Dmitry Karasik, <dmitry@karasik.eu.org>.

SEE ALSO

       Prima::ImageDialog.

perl v5.14.2							    2009-02-24				      Prima::Image::TransparencyControl(3)