Proximity-based system and method for reducing gain...

Details Proximity-based system and method for reducing gain... Proximity-based system and method for reducing gain...

2008-02-26

2011-11-22

Nguyen, Luong T (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S273000

Reexamination Certificate

active

08063948

ABSTRACT:
A proximity-based system for, and method of, reducing Gr-Gb gain imbalance and a digital camera incorporating the system or the method. In one embodiment, the system includes: (1) a sensor configured to provide a input Bayer pattern array containing amplitudes corresponding to Gr and Gb cells and (2) a processor coupled to the sensor and configured to (2a) compute for at least some of the Gr and Gb cells: closeness measures for pluralities of adjacent, same-type cells, weights for pluralities of adjacent, opposite-type cells based on the closeness measures and weighted averages of the pluralities of the adjacent, opposite-type cells based on the weights and (2b) use the weighted averages to form an output Bayer pattern in which the Gr-Gb gain imbalance is reduced.

REFERENCES:
patent: 7009639 (2006-03-01), Une et al.
patent: 7826656 (2010-11-01), Chiu
patent: 2006/0050159 (2006-03-01), Ahn
patent: 2007/0002154 (2007-01-01), Kang et al.

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