Auto exposure controlling device and method

Details Auto exposure controlling device and method Auto exposure controlling device and method

2007-09-26

2010-12-28

Tran, Sinh (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S297000, C700S041000

Reexamination Certificate

active

07859577

ABSTRACT:
An automatic exposure (AE) controlling device and method are provided. According to the method, an electric shutter (ES) value and an analog gain control (AGC) value can be calculated through a proportional integral control method according to a brightness value of an inputted image frame. Then, AE compensation on a present image frame can be performed using the calculated ES value and AGC value.

REFERENCES:
patent: 5029066 (1991-07-01), Hiroi
patent: 7256384 (2007-08-01), Gottesman et al.
patent: 2004/0017485 (2004-01-01), Ohishi
patent: 2004/0065821 (2004-04-01), Warren et al.
patent: 2004/0169746 (2004-09-01), Chen et al.
patent: 2006/0056831 (2006-03-01), Horio et al.
patent: 10-2006-00876 61 (2006-08-01), None
English Machine translation of KR 10-2006-0087661 to Park published Aug. 3, 2006.

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