22 April 2006 Belgian beer mapping and digital fingerprinting using color and turbidity assessment
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Abstract
Multi-wavelength and multi-angle absorption spectroscopy performed in the visible spectral range, that is, 'scattered colorimetry', has been used to map a library of 25 diverse and commercially-available Belgian light beers. The resulting map shows four main clusters, relative to blonde, amber, red, and weiss beers, respectively, demonstrating that scattered colorimetry is a valid method for beer authentication and fingerprinting.
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A. G. Mignani, L. Ciaccheri, "Belgian beer mapping and digital fingerprinting using color and turbidity assessment", Proc. SPIE 6189, Optical Sensing II, 61892E (22 April 2006); doi: 10.1117/12.666908; https://doi.org/10.1117/12.666908
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