Method and apparatus for compensating for color in color images

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United States of America Patent

PATENT NO 5467438
SERIAL NO

08065427

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Abstract

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Color compensation is performed in color images for use in an image processing field which is employed for three-dimensional computer graphics and the like by making a luminance value of texture data coincide with an intensity derived by an intensity calculation. Also, lightness compensation is performed for a color image according to a display scene. From measurements of color changes of plural colors in a uniform color space, a color change of arbitrary texture data under a chromatic color light source is represented and compensated. The generated image is very natural because compensation is achieved between a lightness of a texture itself representing a pattern on the surface of an object and an intensity of the surface of the object derived by an intensity calculation when an image is generated.

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Patent Owner(s)

Patent OwnerAddress
MATSUSHITA ELECTRIC INDUSTRIAL CO LTDOSAKA JAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Naka, Toshiya Osaka, JP 21 636
Nakase, Yoshimori Kawachinagano, JP 7 283
Nishimura, Kenji Sakai, JP 97 936
Nishio, Kazutaka Moriguchi, JP 8 107

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