Image-signal processing device

Details Image-signal processing device Image-signal processing device

2011-05-10

2011-05-10

Tran, Sinh (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S243000, C348S244000, C348S245000, C348S246000, C348S251000

Reexamination Certificate

active

07940314

ABSTRACT:
Defect correction and other de-noising as well as resolution maintenance and contour correction can all be appropriately performed in an image-signal processing device for processing an image signal from an image sensor. First through third de-noising parts30athrough30care provided separately to correspond to a brightness-processing part36, a color-processing part40, and a contour-processing part38, respectively. Among defect-correcting parts42athrough42cprovided to the de-noising parts30athrough30c, respectively, the defect-correcting part42cprovided to correspond to the contour-processing part38is set to a low defect-correction level and maintains contour information. The defect-correcting part42aprovided to correspond to the brightness-processing part36is set to an intermediate correction level and corrects pixel defects while maintaining resolution. The defect-correcting part42bprovided to correspond to the color-processing part40is set to a high correction level and appropriately removes pixel defects.

REFERENCES:
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patent: 2004/0145664 (2004-07-01), Kobayashi et al.
patent: 2004/0252208 (2004-12-01), Lee
patent: 2005/0073592 (2005-04-01), Aotsuka
patent: 2006/0029287 (2006-02-01), Hayashi et al.
patent: 2006/0038899 (2006-02-01), Tamaru et al.
patent: A 2006-013948 (2006-01-01), None

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