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Graph."],"published-print":{"date-parts":[[2022,12]]},"abstract":"<jats:p>\n            We present a spectral measurement approach for the bulk optical properties of translucent materials using only low-cost components. We focus on the translucent inks used in full-color 3D printing, and develop a technique with a high spectral resolution, which is important for accurate color reproduction. We enable this by developing a new acquisition technique for the three unknown material parameters, namely, the absorption and scattering coefficients, and its phase function anisotropy factor, that only requires three point measurements with a spectrometer. In essence, our technique is based on us finding a three-dimensional\n            <jats:italic>appearance map<\/jats:italic>\n            , computed using Monte Carlo rendering, that allows the conversion between the three observables and the material parameters. 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