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Reduced resolution document storage and retrieval system

  • US 5,867,277 A
  • Filed: 07/18/1996
  • Issued: 02/02/1999
  • Est. Priority Date: 04/15/1994
  • Status: Expired due to Term
First Claim
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1. A document storage and retrieval apparatus comprising:

  • means for obtaining a gray-scale image of a document at a first resolution, the first resolution being suitable for optical-recognition-processing text in the document;

    optical-recognition-processing means for optically recognizing text in the gray-scale image and for obtaining a computer-readable file of character codes for the text;

    reducing means for reducing resolution of the gray-scale image to a second resolution which is low relative to the first resolution, the second resolution being suitable for visual perception and reproduction of the gray-scale image; and

    storing means for storing the reduced resolution gray-scale image in association with the computer-readable text file such that the reduced resolution gray-scale image may be retrieved based on a search of the text file.

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