Manual white balance using arbitrary surface

Details Manual white balance using arbitrary surface Manual white balance using arbitrary surface

2008-09-23

2008-09-23

Aggarwal, Yogesh (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S229100

Reexamination Certificate

active

10782320

ABSTRACT:
A digital camera is equipped with signal processing circuits that achieve white balance by calibrating CCD detector outputs to a non-standard target, such as the palm of a person's hand or a camera lens cover. The calibration technique avoids the necessity of using a standard target to calibrate the digital camera under field use conditions.

REFERENCES:
patent: 5119178 (1992-06-01), Sakata et al.
patent: 5589879 (1996-12-01), Saito et al.
patent: 6075562 (2000-06-01), Sakaguchi et al.
patent: 2002/0080245 (2002-06-01), Parulski et al.
patent: 2003/0112342 (2003-06-01), Takeuchi
patent: 2004/0212685 (2004-10-01), Smith et al.

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