Method for dynamically compensating for a faulty pixel in a...

Details Method for dynamically compensating for a faulty pixel in a... Method for dynamically compensating for a faulty pixel in a...

2007-10-04

2010-10-26

Baker, Charlotte M (Department: 2625)

Facsimile and static presentation processing

Natural color facsimile

Measuring, testing, and calibrating

C358S474000, C358S001900, C358S003260, C358S437000, C382S275000

Reexamination Certificate

active

07821687

ABSTRACT:
A method for dynamically compensating for a faulty pixel in a scan line of a scanner having an image sensor with a plurality of sensor pixels includes generating digitized scan data; processing the digitized scan data to compensate for any faulty pixels of the plurality of sensor pixels to form compensated scan data; processing the compensated scan data to apply offset and gain correction to the compensated scan data to form calibrated scan data; processing the calibrated scan data to adjust the calibrated scan data to compensate for human visual perception to form final scan data; and storing the final scan data in a scanner image memory.

REFERENCES:
patent: 5563723 (1996-10-01), Beaulieu et al.
patent: 5748803 (1998-05-01), Schielke
patent: 2008/0079826 (2008-04-01), Noh

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