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10th Pacific Conference on Computer Graphics and Applications (PG'02)
Interactive Rendering of Translucent Objects
Tsinghua University, Beijing
October 09-October 11
ISBN: 0-7695-1784-6
Hendrik P.A. Lensch, Max-Planck-Institut für Informatik
Michael Goesele, Max-Planck-Institut für Informatik
Philippe Bekaert, Max-Planck-Institut für Informatik
Jan Kautz, Max-Planck-Institut für Informatik
Marcus A. Magnor, Max-Planck-Institut für Informatik
Jochen Lang, Max-Planck-Institut für Informatik
Hans-Peter Seidel, Max-Planck-Institut für Informatik
This paper presents a rendering method for translucent objects, in which view point and illumination can be modified at interactive rates. In a preprocessing step the impulse response to incoming light impinging at each surface point is computed and stored in two different ways: The local effect on close-by surface points is modeled as a per-texel filter kernel that is applied to a texture map representing the incident illumination. The global response (i.e. light shining through the object) is stored as vertex-to-vertex throughput factors for the triangle mesh of the object. During rendering, the illumination map for the object is computed according to the current lighting situation and then filtered by the precomputed kernels. The illumination map is also used to derive the incident illumination on the vertices which is distributed via the vertex-to-vertex throughput factors to the other vertices. The final image is obtained by combining the local and global response. We demonstrate the performance of our method for several models.
Citation:
Hendrik P.A. Lensch, Michael Goesele, Philippe Bekaert, Jan Kautz, Marcus A. Magnor, Jochen Lang, Hans-Peter Seidel, "Interactive Rendering of Translucent Objects," pg, pp.214, 10th Pacific Conference on Computer Graphics and Applications (PG'02), 2002
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