Pixel by pixel offset and gain correction in analog data from sc

Details Pixel by pixel offset and gain correction in analog data from sc Pixel by pixel offset and gain correction in analog data from sc

1991-03-18

1993-04-20

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358406, 358471, H04N 140

Patent

active

052047610

ABSTRACT:
Method and apparatus for a correction of photosite offset and gain in the analog domain. Correction of offset and gain in the analog domain, prior to conversion of the analog signals to digital signals, allows the use of the maximum dynamic range of the system for pixel information, once the image is converted.

REFERENCES:
patent: 4216503 (1980-08-01), Wiggins
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patent: 4602291 (1986-07-01), Temes
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patent: 4660082 (1987-04-01), Tomohisa et al.
patent: 4698685 (1987-10-01), Beaverson
patent: 4757389 (1988-07-01), Clark et al.
patent: 4803556 (1989-02-01), Beikirch
patent: 4903144 (1990-02-01), Stefanik et al.
patent: 4920428 (1990-04-01), Lin et al.

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