DOI 10.17586/0021-3454-2015-58-12-985-992
UDC 629.73.02; 629.73.05/.06; 535.643
INTERPOLATING THE COLOR SPECTRUM LOCUS LINE ON THE BASE OF BEZIER SPLINES
Stock Company "Experimental Design Bureau "Electroavtomatika" named after P.A. Yefimov", Saint Petersburg, 198095, Russian Federation; ITMO University, Saint Petersburg, 197101, Russian Federation; Head of Learning Scientific Center; Head of Chair
O. O. Zharinov
Saint Petersburg State University of Aerospace Instrumentation, Saint Petersburg, 190000, Russian Federation; Associate professor
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Abstract. Three approaches to the problem of interpolation of color spectrum locus line specified in tabulated form are considered: the first is based on interpolation in the space of color coordinates, the second uses interpolation in the space of chromaticity coordinates, and the third one utilizes interpolation of the spectral locus as some tabular curve having its specific shape. Mathematical relations describing the behavior of spectral gamut in the visible wavelengths range are derived.
Keywords: colorimetric standard, spectrum locus, chromaticity coordinates, interpolation, Bezier curve
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