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학술지 Spectrum-Based Color Reproduction Algorithm for Makeup Simulation of 3D Facial Avatar
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장인수, 김재우, 유주연, 김진서
ETRI Journal, v.35 no.6, pp.969-979
한국전자통신연구원 (ETRI)
12CT1900, 3D 페이셜 아바타 기반 실감 분장 시뮬레이션 기술 개발, 김진서
Various simulation applications for hair, clothing, and makeup of a 3D avatar can provide more useful information to users before they select a hairstyle, clothes, or cosmetics. To enhance their reality, the shapes, textures, and colors of the avatars should be similar to those found in the real world. For a more realistic 3D avatar color reproduction, this paper proposes a spectrum-based color reproduction algorithm and color management process with respect to the implementation of the algorithm. First, a makeup color reproduction model is estimated by analyzing the measured spectral reflectance of the skin samples before and after applying the makeup. To implement the model for a makeup simulation system, the color management process controls all color information of the 3D facial avatar during the 3D scanning, modeling, and rendering stages. During 3D scanning with a multicamera system, spectrum-based camera calibration and characterization are performed to estimate the spectrum data. During the virtual makeup process, the spectrum data of the 3D facial avatar is modified based on the makeup color reproduction model. Finally, during 3D rendering, the estimated spectrum is converted into RGB data through gamut mapping and display characterization. © 2013 ETRI.
3D Avatar, Characterization, Color, Cosmetics, Makeup, Spectrum
KSP 제안 키워드
3D avatar, 3D rendering, 3D scanning, Camera Calibration, Color Management, Color information, Gamut Mapping, Management process, Multi-camera systems, Real-world, Simulation system