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Adaptive pixel management using object type identification

  • US 6,753,976 B1
  • Filed: 12/03/1999
  • Issued: 06/22/2004
  • Est. Priority Date: 12/03/1999
  • Status: Expired due to Fees
First Claim
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1. A method of processing document image data for printing an image on a receiving medium, comprising:

  • receiving document image data, the image data comprising at least two elements from the group of text objects, graphic objects and pictorial objects;

    classifying each element in the image data as being one of a text object, a graphic object, or a pictorial object;

    printing the image data corresponding to elements classified as a text object according to a set of text processing parameters, the text processing parameters including processing text smaller than a text threshold size according to a set of small text processing parameters and processing text greater than the text threshold size according to a set of large text processing parameters, wherein the set of text processing parameters includes processing text on a printed background that is greater than a text-on-color threshold size according to the set of large text processing parameters;

    printing the image data corresponding to elements classified as a graphics object according to a set of graphics processing parameters; and

    printing the image data corresponding to elements classified as a pictorial object according to a set of pictorial processing parameters.

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