Facsimile and static presentation processing – Natural color facsimile – Scanning
Reexamination Certificate
2011-07-05
2011-07-05
Tran, Douglas Q (Department: 2625)
Facsimile and static presentation processing
Natural color facsimile
Scanning
C358S463000
Reexamination Certificate
active
07973986
ABSTRACT:
An image reading apparatus includes: three line sensors mutually spaced in a sub scanning direction; a platen arranged between the original and the three line sensors; a mover moving the platen relative to the three line sensors at a rate relative to the three line sensors, the rate being different from that of the original relative to the three line sensors; a lightness difference detector extracting a feature pixel having a predetermined feature from each of three data output from the three line sensors; and NOR and AND devices comparing the three data corresponding to a single location on the original to detect the feature pixel extracted from one of the three data, as a noise pixel if the feature pixel is not a feature pixel for the other data.
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Ishiguro Kazuhiro
Suzuki Hiroyuki
Toriyama Hideyuki
Konica Minolta Business Technologies Inc.
Morrison & Foerster / LLP
Tran Douglas Q
LandOfFree
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