Method and device for automatic color correction

Details Method and device for automatic color correction Method and device for automatic color correction

2005-09-14

2009-12-15

Tran, Trang U (Department: 2622)

Television

Image signal processing circuitry specific to television

Selective image modification

C348S645000, C348S649000, C348S650000

Reexamination Certificate

active

07633555

ABSTRACT:
A method and a device for automatic color correction by defining an operation window, a target window, and an active region bounded by the preceding windows so as to adjust chroma values in the active region. Correction of chroma signals is associated with a window region rather than a certain point. Besides, the present invention provides correction of the chroma signals so as to prevent image discontinuity and disharmony.

REFERENCES:
patent: 5530474 (1996-06-01), Takei
patent: 5712691 (1998-01-01), Brennesholtz
patent: 5874988 (1999-02-01), Gu
patent: 7352409 (2008-04-01), Ueki
patent: 7405771 (2008-07-01), Lee et al.
patent: 7460181 (2008-12-01), Luu et al.

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