Digital camera for image device calibration

Details Digital camera for image device calibration Digital camera for image device calibration

2006-11-07

2006-11-07

Lamb, Twyler (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Communication

C358S406000, C358S504000, C358S001900, C341S120000, C348S177000, C348S178000, C348S181000, C348S182000, C348S189000, C348S190000

Reexamination Certificate

active

07133148

ABSTRACT:
The invention is directed to an apparatus for calibrating an output of an image output device, comprising an image input device configured to image an output of the image output device; and a test pattern generator having an output of a dynamic test patch area and a grating area connected to an input of the image output device and responsive to the image input device for adjusting an intensity level of the dynamic test patch area to match an average intensity level of the grating area.

REFERENCES:
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patent: 5381309 (1995-01-01), Borchardt
patent: 5381349 (1995-01-01), Winter et al.
patent: 5887223 (1999-03-01), Sakai et al.
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patent: 5956044 (1999-09-01), Giorgianni et al.
patent: 6285349 (2001-09-01), Smith
patent: 6462777 (2002-10-01), Hamaguri
patent: 6850245 (2005-02-01), Murashita et al.

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