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Method and apparatus for displaying grey-scale or color images from binary images

  • US 5,767,828 A
  • Filed: 07/20/1995
  • Issued: 06/16/1998
  • Est. Priority Date: 07/20/1995
  • Status: Expired due to Term
First Claim
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1. A method for displaying a grey-scale image on a display unit with a plurality of pixels, comprising the steps of:

  • receiving a group of image data including pixel location and pixel intensity, said image data to be displayed at a first rate;

    arranging said group of image data into bit plane subframes;

    attenuating intensity of the least significant unattenuated subframe as well as any previously attenuated subframes to yield attenuated subframes;

    combining unattenuated subframes to yield fewer unattenuated subframes; and

    displaying said fewer unattenuated subframes and said lower bit subframes on the display unit at a correspondingly reduced rate to achieve visual integration.

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