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Subsurface scattering using splat-based diffusion in point-based rendering

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Abstract

Point-based graphics has gained much attention as an alternative to polygon-based approaches because of its simplicity and flexibility. However, current point-based techniques do not provide a sufficient rendering quality for translucent materials such as human skin. In this paper, we propose a point-based framework with subsurface scattering of light, which is important to create the soft and semi-translucent appearance of human skin. To accurately simulate subsurface scattering in multilayered materials, we present splat-based diffusion to apply a linear combination of several Gaussian basis functions to each splat in object space. Compared to existing point-based approaches, our method offers a significantly improved visual quality in rendering human faces and provides a similar visual quality to polygon-based rendering using the texture space diffusion technique. We demonstrate the effectiveness of our approach in rendering scanned faces realistically.

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Authors and Affiliations

  1. Department of Computer Engineering, Sejong University, Seoul, Korea

    Hyeon-Joong Kim & Soo-Mi Choi

  2. Computer Graphics Lab, ETH Zurich, Zurich, Switzerland

    Bernd Bickel & Markus Gross

Authors
  1. Hyeon-Joong Kim
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  2. Bernd Bickel
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  3. Markus Gross
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  4. Soo-Mi Choi
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Correspondence to Soo-Mi Choi.

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Kim, HJ., Bickel, B., Gross, M. et al. Subsurface scattering using splat-based diffusion in point-based rendering. Sci. China Inf. Sci. 53, 911–919 (2010). https://doi.org/10.1007/s11432-010-0068-y

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  • DOI: https://doi.org/10.1007/s11432-010-0068-y

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