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You compute realistic human hair color by modeling melanin concentration in hair fibres. Melanin is a dark brown to black pigment occurring in the hair, skin, and iris of the eye in people and animals.
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0.05 | 0.15 | 0.25 |
0.35 | 0.45 | 0.55 |
This is based on a "An Energy-Conserving Hair Reflectance Model" (EGSR 2011, Eugene d’Eon, Guillaume Francois, Martin Hill, Joe Letteri, Jean-Marie Aubry).
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