A new approach to computer color formulation based on non-linear least-squares techniques has been developed to characterize colorants and predict their behavior in mixtures. This approach allows the optimization of absorption and scattering calculations to characterize these colorants. This same method has been used to directly match the spectral reflectance of a standard with a mixture of colorants that yields nearly the same spectral reflectance as the standard being matched. Several advantages have been gained over more traditional methods: Kubelka-Munk K and S has been determined without primary binary blends, the spectral reflectance of the standard and proposed formulation exhibit lower spectral difference, the use of spectrally similar colorants has been improved and, formulations can now be predicted for standards measured over wavelength regions other than the visible spectrum.
Library of Congress Subject Headings
Spectrophotometry--Data processing; Colors--Analysis; Color in the textile industries; Least squares
Imaging Science (BS)
Department, Program, or Center
School of Photographic Arts and Sciences (CIAS)
Walowit, Eric, "Spectrophotometric color formulation based on two-constant Kubelka-Munk theory" (1985). Thesis. Rochester Institute of Technology. Accessed from
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