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Revised Kubelka-Munk theory. II. Unified framework for homogeneous and inhomogeneous optical media
Linköping University, The Institute of Technology. Linköping University, Department of Science and Technology.
Linköping University, Department of Science and Technology, Digital Media. Linköping University, The Institute of Technology.
Linköping University, The Institute of Technology. Linköping University, Department of Science and Technology.
2004 (English)In: Journal of the Optical Society of America A: Optics and Image Science, and Vision, ISSN 1084-7529, Vol. 21, no 10, 1942-1952 p.Article in journal (Refereed) Published
Abstract [en]

We extend the applicability of the recently revised Kubelka-Munk (K-M) theory to inhomogeneous optical media by treating inhomogeneous ink penetration of the substrate. We propose a method for describing light propagation in either homogeneous or inhomogeneous layers using series representations for the K-M scattering and absorption coefficients as well as for intensities of the upward and downward light streams. The conventional and matrix expressions for spectral reflectance and transmittance values of optically homogeneous media in the K-M theory are shown to be special cases of the present framework. Three types of ink distribution - homogeneous, linear, and exponential - have been studied. Simulations of spectral reflectance predict a depression of reflectance peaks and reduction of absorption bands characteristic of hue shifts and significant reduction of saturation and, in turn, color gamut.

Place, publisher, year, edition, pages
2004. Vol. 21, no 10, 1942-1952 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-22570Local ID: 1843OAI: oai:DiVA.org:liu-22570DiVA: diva2:242883
Available from: 2009-10-07 Created: 2009-10-07 Last updated: 2010-12-02

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Yang, LiKruse, BjörnMiklavcic, Stan

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