Method and apparatus for identifying the color of an image

Details Method and apparatus for identifying the color of an image Method and apparatus for identifying the color of an image

1993-11-18

1995-12-26

Couso, Yon J.

Image analysis

Color image processing

358518, G06K 946

Patent

active

054795249

ABSTRACT:
A method and an apparatus to reduce the errors in linearly transforming the RGB values to the XYZ values of the colors of an image. The image is measured twice, once with and once without a filter between the image and the sensors measuring the image. The apparatus is capable of generating at least three output values substantially simultaneously to measure the color of each element of the image.

REFERENCES:
patent: 4500919 (1985-02-01), Schreiber
patent: 4731663 (1988-03-01), Kovalchick
patent: 4962540 (1990-10-01), Tsujiuchi
patent: 5010580 (1991-04-01), Vincent
patent: 5200817 (1993-04-01), Birnbaum
patent: 5317648 (1994-05-01), Sawada
S. Suzuki et al., "A Filter-Alternating Color Scanner", Fujitsu Scientific and Technical Journal, vol. 25, No. 4, Jan. 1990, pp. 279-286.

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