Method of fast spectral color measuring

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United States of America Patent

PATENT NO 11946804
APP PUB NO 20210348965A1
SERIAL NO

17284001

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Abstract

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Method of color measuring a color of a rendered copy of a digital image, by a color-measuring-device (3000) for color measuring in a plurality of spectral ranges (r1 . . . rQ); wherein said method comprises the step: measuring said color is measured in a sub-set (s1 . . . sM; 3305) of said plurality of spectral ranges (r1 . . . rQ); and wherein said sub-set (s1 . . . sM) is determined by: selecting a color of a gamut boundary of said digital image (1200); and determining of said color for said plurality of spectral ranges (r1 . . . rQ) corresponding spectral reflectance factors (v1 . . . vQ); and adding a spectral range (ri), having a minimum and maximum spectral reflectance factor, to said sub-set (s1 . . . sM) wherein its corresponding spectral reflectance value (vi) is larger than 10% of said maximum spectral reflectance factor minus said minimum spectral reflectance factor.

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Patent Owner(s)

  • AGFA NV

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Van, Garsse Joris Mortsel, BE 10 59

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