Method and apparatus for reading a colored document

Details Method and apparatus for reading a colored document Method and apparatus for reading a colored document

1998-04-15

2000-08-29

Grant, II, Jerome

Facsimile and static presentation processing

Natural color facsimile

Color separation

358518, 358509, H04N 146

Patent

active

061116696

ABSTRACT:
The present invention regards a method and an apparatus for reading data on an object document, wherein the document has areas for markings with different reflective characteristics. The document is illuminated with differently colored light and the reflective characteristic is analyzed to determine the color of detected markings on the document.

REFERENCES:
patent: 4830501 (1989-05-01), Terashita
patent: 4907078 (1990-03-01), Hasebe
patent: 4970585 (1990-11-01), Kurata
patent: 5121137 (1992-06-01), Taki et al.
patent: 5241378 (1993-08-01), Nishiguchi
patent: 5245418 (1993-09-01), Gilmour et al.
patent: 5345320 (1994-09-01), Hirota
patent: 5377024 (1994-12-01), Dillinger
patent: 5959290 (1999-09-01), Schweid et al.

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