Document processing system and method
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United States of America Patent
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-
Mar 26, 1991
Grant Date -
N/A
app pub date -
Dec 21, 1988
filing date -
Dec 21, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A document processing system for processing documents having data printed thereon including pre-printed markings visible to the eye and machine-readable characters includes a scanner for capturing the color image of the document being processed. Circuitry is provided for reducing the contract between the pre-printed marking and the background surrounding a machine-readable character based upon the hue of the pre-printed markings, such that the pre-printed markings and the background surrounding a character are not distinguishable with respect to light reflected from the document thereby generating a filtered image of the document. An optical character recognition device receives the filtered image of the document representing character information only for identifying the characters appearing on the document.
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