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Special Section—Selected Papers from Color Imaging Conference IX
Volume: 46 | Article ID: art00008
Estimation of Pigment Distribution from Spectral Transmittance of an Optical Micrograph
  DOI :  10.2352/J.ImagingSci.Technol.2002.46.6.art00008  Published OnlineNovember 2002

Relative amounts of pigments on an overhead projector (OHP) sheet printed by laser printer can be estimated by using spectral transmittance at each pixel of an optical micrograph, and the multi-layered pigments also can be separated into each component. The transmittance spectra were estimated from multiband images by the Wiener estimation method. In the experiment, relative amounts of pigments printed by one or two kinds of color pigments were estimated, and overlapping magenta and yellow pigments were separated into each category. The result was accurate as compared with separation based on RGB values.

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Masaru Takeya, Chawan Koopipat, Hideki Sato, Norimichi Tsumura, Hideaki Haneishi, Yoichi Miyake, "Estimation of Pigment Distribution from Spectral Transmittance of an Optical Micrographin Journal of Imaging Science and Technology,  2002,  pp 527 - 532,

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