Manual white balance using arbitrary surface

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

Filed on

2008-09-23

Date issued

2008-09-23

Examiner

Aggarwal, Yogesh (Department: 2622)

Patent Class

Television

SubClass

Camera, system and detail

SubSubClass

Combined image signal generator and general image signal...

Other Related Categories

C348S229100

Type

Reexamination Certificate

Status

active

Patent number

10782320

Description

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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