Method and apparatus for finding and correcting single-pixel...

Details Method and apparatus for finding and correcting single-pixel... Method and apparatus for finding and correcting single-pixel...

2004-11-09

2008-10-07

Do, Anh Hong (Department: 2624)

Image analysis

Color image processing

Color correction

C382S162000

Reexamination Certificate

active

07433512

ABSTRACT:
A method for finding and correcting single-pixel noise defects in a two-dimensional camera pixel field assigns to such pixel defect an interpolation multi-pixel environment of the same color as the pixel to be corrected for therefrom deriving an interpolated substitute pixel value.In particular, the method executes the following steps:assigns a multi pixel checking environment of the same color to a possibly defect pixel and checks the possibly defect pixel to the checking environment for finding a correct or an incorrect pixelassigns to an incorrect pixel a plurality of predictive multi-pixel environments each oriented in a respective different orientation with respect to the incorrect pixel for therefrom deriving respective viability characterizations for interpolation in the associated orientationfinds the highest viability characterization and thereby selects an appropriate multi-pixel interpolation environment of the same color for actually interpolating a substitute pixel value.

REFERENCES:
patent: 5029226 (1991-07-01), Klein et al.
patent: 6157735 (2000-12-01), Holub
patent: 6747697 (2004-06-01), Lin et al.
patent: 2002/0164084 (2002-11-01), Baggs
patent: 2003/0048368 (2003-03-01), Bosco et al.
patent: 2003/0151682 (2003-08-01), Kokubo et al.
patent: 1045578 (2000-10-01), None

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