Hue correction for electronic imagers

Details Hue correction for electronic imagers Hue correction for electronic imagers

2005-01-05

2010-02-02

Tran, Sinh (Department: 2622)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S248000, C382S167000, C382S275000

Reexamination Certificate

active

07656441

ABSTRACT:
A method for correcting for hue artifacts captured by an imager associated with a color filter array including first, second and third color pixels and optical system spaced from the imager, wherein a first group of second pixels are primarily influenced by adjacent first pixels and a second group of second pixels are primarily influenced by adjacent third pixels, includes separately blurring or smoothing the first and third pixels and the first and second group of second pixels; based on the difference between adjacent pixels of the first and second group of second pixels, correcting for hue in the second group of second pixels; and correcting for adjacent third pixels based on the correction for adjacent second group second pixels.

REFERENCES:
patent: 7065248 (2006-06-01), Lee et al.
patent: 7239758 (2007-07-01), Tsuda
patent: 7450161 (2008-11-01), Feng et al.
patent: 7561194 (2009-07-01), Luo
patent: 2003/0006363 (2003-01-01), Campbell et al.
patent: 2003/0021474 (2003-01-01), Hunter et al.
patent: 2003/0234879 (2003-12-01), Whitman et al.
patent: 2004/0246352 (2004-12-01), Suzuki
patent: 2005/0041116 (2005-02-01), Tsukioka

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