Electronic image color plane reconstruction

Details Electronic image color plane reconstruction Electronic image color plane reconstruction

2006-07-04

2006-07-04

Mancuso, Joseph (Department: 2621)

Image analysis

Color image processing

Color correction

C382S164000

Reexamination Certificate

active

07072509

ABSTRACT:
The color of a color image having at least two sets of image pixels having color and luminance values is corrected by generating, for each color value, a low spatial frequency monochrome image including a set of smoothed image pixels. A color correction function is applied to selected sub-sets of the image pixels to generate corresponding sub-sets of corrected, smoothed image pixels. The correction includes a contribution from smoothed image pixels in one or more of the other sets of smoothed image pixels. The sub-sets of corrected smoothed image pixels is completed by interpolation or extrapolation. Each set of corrected smoothed image pixels is used to generate a corrected color image by generating one or more high spatial frequency luminance images that are combined with each of the corrected low spatial frequency monochrome images to form a full color image.

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