Image-processing apparatus and image-processing method

Image analysis – Color image processing – Color correction

Reexamination Certificate

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Reexamination Certificate

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06912306

ABSTRACT:
An image-processing apparatus for processing the image data input from an image-handling device and then outputting the image data to another image-handling device. The apparatus comprises a black-adaptation correction device. The black-adaptation correction device corrects the image data in consideration of the fact that adaptation to black varies from person to person, if the darkest points of the image-handling devices differ from each other. Since the image is so corrected, the colors of the images produced by the image-handling devices look almost the same in spite of the fact that the darkest points of the image-handling devices differ from each other.

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patent: 0 851 669 (1998-07-01), None
patent: WO 95 17071 (1995-06-01), None
patent: WO 99 00648 (1999-01-01), None
Katoh Naoya: “Appearance match between soft copy and hard copy under mixed chromatic adaptation” Proceedings of the 1995 3rd Color Imaging Conference: Color Science, Systems, and Applications; Scottsdale, AZ, USA Nov. 7-10 1995, pp. 22-25, XP002174811 Proc Color Imaging Conf Color Sci Syst Appl;Proceedings of the Color Imaging Conference: Color Science, Systems, and Applications 1995 Soc Imaging Sci Technol, Springfield, VA, USA.

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