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ACM Transactions on Graphics (TOG), Volume 22 Issue 4, October 2003

Editorial
John C. Hart
Pages: 981-981
DOI: 10.1145/944020.944021

SwingWrapper: Retiling triangle meshes for better edgebreaker compression
Marco Attene, Bianca Falcidieno, Michela Spagnuolo, Jarek Rossignac
Pages: 982-996
DOI: 10.1145/944020.944022
We focus on the lossy compression of manifold triangle meshes. Our SwingWrapper approach partitions the surface of an original mesh M into simply connected regions, called triangloids. From these, we generate a new mesh...

Progressive point set surfaces
Shachar Fleishman, Daniel Cohen-Or, Marc Alexa, Cláudio T. Silva
Pages: 997-1011
DOI: 10.1145/944020.944023
Progressive point set surfaces (PPSS) are a multilevel point-based surface representation. They combine the usability of multilevel scalar displacement maps (e.g., compression, filtering, geometric modeling) with the generality of point-based surface...

Geometric surface processing via normal maps
Tolga Tasdizen, Ross Whitaker, Paul Burchard, Stanley Osher
Pages: 1012-1033
DOI: 10.1145/944020.944024
We propose that the generalization of signal and image processing to surfaces entails filtering the normals of the surface, rather than filtering the positions of points on a mesh. Using a variational strategy, penalty functions on the surface...

Motion sketching for control of rigid-body simulations
Jovan Popović, Steven M. Seitz, Michael Erdmann
Pages: 1034-1054
DOI: 10.1145/944020.944025
Motion sketching is an approach for creating realistic rigid-body motion. In this approach, an animator sketches how objects should move and the system computes a physically plausible motion that best fits the sketch. The sketch is specified with a...