Television – Camera – system and detail – Combined image signal generator and general image signal...
Reexamination Certificate
2006-08-01
2006-08-01
Ometz, David (Department: 2615)
Television
Camera, system and detail
Combined image signal generator and general image signal...
C348S606000, C348S630000, C382S165000, C358S518000
Reexamination Certificate
active
07084906
ABSTRACT:
A method of reducing color aliasing artifacts from a color digital image having color pixels including providing luminance and chrominance signals from the color digital image; downsampling the luminance and chrominance signals; using such downsampled luminance and chrominance signals to separate the image into textured and nontextured regions having boundaries; cleaning the downsampled chrominance signals in the textured regions in response to the boundaries of the textured region and the downsampled chrominance signals; cleaning the downsampled chrominance signals in the nontextured regions in response to the downsampled chrominance signals; upsampling the downsampled noise-cleaned chrominance signals; and using the luminance and upsampled noise-cleaned chrominance signals to provide a color digital image having reduced color aliasing artifacts.
REFERENCES:
patent: 6229578 (2001-05-01), Acharya et al.
patent: 6804392 (2004-10-01), Adams et al.
patent: 6927804 (2005-08-01), Adams et al.
patent: 6989862 (2006-01-01), Baharav et al.
patent: 1202220 (2002-05-01), None
Adams, Jr. James E.
Hamilton, Jr. John F.
Smith Craig M.
Eastman Kodak Company
Lam Hung H.
Ometz David
Owens Raymond L.
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