Method and device for white level calibration

Details Method and device for white level calibration Method and device for white level calibration

2011-02-15

2011-02-15

Tran, Sinh (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S222100, C348S223100, C358S504000, C358S446000, C358S406000, C358S461000, C358S516000

Reexamination Certificate

active

07889251

ABSTRACT:
Calibrating a white level in an image scanning device. A target white level is accessed. A high white level is determined for pixel data output by an amplifier. A gain adjustment to the amplifier is determined to correct a portion of an error between the target white level and the high white level. The gain adjustment is applied to the amplifier.

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patent: 6067175 (2000-05-01), Heuer et al.
patent: 2002/0054374 (2002-05-01), Inoue et al.
patent: 2002/0158192 (2002-10-01), Gann
patent: 2005/0162562 (2005-07-01), Nave

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