Manual correction of an image color

Details Manual correction of an image color Manual correction of an image color

2006-03-07

2006-03-07

Rogers, Scott A. (Department: 2626)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S518000, C358S521000

Reexamination Certificate

active

07009733

ABSTRACT:
A color correction device for correcting colors in a color image comprises:coordinates for registering points in a first color space of at least one standard point, the first color space having axes for specifying colors;a second set of coordinates for registering points in a second color space of at least one standard point, the second color space having coordinates that include at least one coordinate for specifying color hue;a translator to convert image data of at least one point in the first color space to coordinates in the second color space;a modifier for modifying at least hue within image data in the second color space to form corrected image data in the second color space; anda translator for transferring corrected image data in the second color space to corrected image data in the first color space.The color correction device may include a means for creating a tone reproduction curve based on conceptually moving one or other limit of a range of image color values in order to provide a tone reproduction curve with improved rendering of the color correction.

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