Object-space point blending and splatting

Authors:
Renato Pajarola;Miguel Sainz;Patrick Guidotti
Affiliations:
University of California Irvine;University of California Irvine;University of California Irvine
Venue:
ACM SIGGRAPH 2003 Sketches & Applications
Year:
2003

Citing 3
Cited 4

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Abstract

We present a novel point-based rendering approach based on object-space point interpolation. We introduce the concept of a transformation-invariant covariance matrix of a set of points to efficiently determine splat sizes in a multiresolution hierarchy. We analyze continuous point interpolation in object-space, and define a new class of parametrized blending kernels to achieve smooth blending. Furthermore, we present a hardware accelerated rendering algorithm based on α-texture mapping and α-blending.