Image analysis – Image enhancement or restoration – Artifact removal or suppression
Reexamination Certificate
2007-08-14
2007-08-14
Bella, Matthew C. (Department: 2624)
Image analysis
Image enhancement or restoration
Artifact removal or suppression
C382S167000, C382S260000
Reexamination Certificate
active
10738658
ABSTRACT:
A method of removing noise from a color digital image, including receiving an original color digital image including a plurality of pixels represented in a primary-color space; producing at least one residual digital image and at least one base digital image from the original color digital image, the base digital image having a lower spatial resolution then the original color digital image; producing a noise reduced base digital image by removing noise from the residual image and the base digital image with a noise reduction filter and combining the noise reduced base digital image with the noise reduced residual image to produce a reconstructed digital image having reduced noise; transforming the reconstructed digital image into a luminance-chrominance color space; repeating the above process to produce a reconstructed luminance-chrominance digital image; and transforming the reconstructed luminance-chrominance digital image into a noise reduced digital image in the original primary color space.
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Adams, Jr. James E.
Hamilton, Jr. John F.
Williams Frances C.
Bella Matthew C.
Eastman Kodak Company
Owens Raymond L.
Perungavoor Sath V.
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