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Real-time rendering of deformable heterogeneous translucent objects using multiresolution splatting

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Abstract

In this paper, we present a novel real-time rendering algorithm for heterogenous translucent objects with deformable geometry. The proposed method starts by rendering the surface geometry in two separate geometry buffers—the irradiance buffer and the splatting buffer—with corresponding mipmaps from the lighting and viewing directions, respectively. Irradiance samples are selected from the irradiance buffer according to geometric and material properties using a novel and fast selection algorithm. Next, we gather the irradiance per visible surface point by splatting the irradiance samples to the splatting buffer. To compute the appearance of long-distance low-frequency subsurface scattering, as well as short-range detailed scattering, a fast novel multiresolution GPU algorithm is developed that computes everything on the fly and which does not require any precomputations. We illustrate the effectiveness of our method on several deformable geometries with measured heterogeneous translucent materials.

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Authors and Affiliations

  1. Tianjin University, Tianjin, P.R. China

    Guojun Chen, Jiawan Zhang & Xin Tong

  2. College of William & Mary, Williamsburg, USA

    Pieter Peers

  3. Microsoft Research Asia, Beijing, P.R. China

    Xin Tong

Authors
  1. Guojun Chen
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  2. Pieter Peers
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  3. Jiawan Zhang
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  4. Xin Tong
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Correspondence to Jiawan Zhang.

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Chen, G., Peers, P., Zhang, J. et al. Real-time rendering of deformable heterogeneous translucent objects using multiresolution splatting. Vis Comput 28, 701–711 (2012). https://doi.org/10.1007/s00371-012-0704-1

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