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Issue No.05 - September/October (2004 vol.10)
pp: 598-608
Renato Pajarola , IEEE Computer Society
Miguel Sainz , IEEE Computer Society
ABSTRACT
In this paper, we present Confetti, a novel point-based rendering approach based on object-space point interpolation of densely sampled surfaces. We introduce the concept of a transformation-invariant covariance matrix of a set of points which can efficiently be used to determine splat sizes in a multiresolution point hierarchy. We also analyze continuous point interpolation in object-space and we define a new class of parameterized blending kernels as well as a normalization procedure to achieve smooth blending. Furthermore, we present a hardware accelerated rendering algorithm based on texture mapping and \alpha{\hbox{-}}{\rm blending} as well as programmable vertex and pixel-shaders.
INDEX TERMS
Point-based rendering, multiresolution modeling, level-of-detail, hardware accelerated blending.
CITATION
Renato Pajarola, Miguel Sainz, Patrick Guidotti, "Confetti: Object-Space Point Blending and Splatting", IEEE Transactions on Visualization & Computer Graphics, vol.10, no. 5, pp. 598-608, September/October 2004, doi:10.1109/TVCG.2004.19
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