“Practical Measurement and Modeling of Spectral Skin Reflectance” by Gitlina, Dhillon, Guarnera and Ghosh
Conference:
Type(s):
Entry Number: 47
Title:
- Practical Measurement and Modeling of Spectral Skin Reflectance
Presenter(s)/Author(s):
Abstract:
INTRODUCTION
Accurate modeling and rendering of human skin appearance has been a long standing goal in computer graphics. Of particular importance has been the realistic modeling and rendering of layered subsurface scattering in skin for which various biophysical models have been proposed based on the spectral distribution of chromophores in the epidermal and dermal layers of skin [Donner and Jensen 2006; Donner et al. 2008; Jimenez et al. 2010]. However, measurement of the spectral parameters of absorption and scattering of light for such biophysical models has been a challenge in computer graphics. Previous works have either borrowed parameters for skin-type from tissue-optics literature [Donner and Jensen 2006], or employed extensive multispectral imaging for inverse rendering detailed spatially varying parameters for a patch of skin [Donner et al. 2008]. Closest to our approach, Jimenez et al. [2010] employed observations under uniform broadband illumination to estimate two dominant parameters (melanin and hemoglobin concentrations) for driving a qualitative appearance model for facial animation.
References:
- Craig Donner and Henrik Wann Jensen. 2006. A Spectral BSSRDF for Shading Human Skin. In Proceedings of the 17th Eurographics Conference on Rendering Techniques (EGSR ’06). Eurographics Association, Aire-la-Ville, Switzerland, 409–417. https: //doi.org/10.2312/EGWR/EGSR06/409-417
- Craig Donner, Tim Weyrich, Eugene d’Eon, Ravi Ramamoorthi, and Szymon Rusinkiewicz. 2008. A Layered, Heterogeneous Reflectance Model for Acquiring and Rendering Human Skin. ACM Transactions on Graphics (TOG) 27, 5 (Dec. 2008), 140:1–140:12.
- Jorge Jimenez, Timothy Scully, Nuno Barbosa, Craig Donner, Xenxo Alvarez, Teresa Vieira, Paul Matts, Verónica Orvalho, Diego Gutierrez, and Tim Weyrich. 2010. A Practical Appearance Model for Dynamic Facial Color. ACM Transactions on Graphics (TOG) 29, 6 (Dec. 2010), 141:1–141:10.
Keyword(s):
Additional Images:
Acknowledgements:
The work is supported by an EPSRC Early Career Fellowship EP/N006259/1 and by the Spectraskin project N-288670, funded by the Research Council of Norway.
