Thomas Lewiner,  Marcos Craizer,  Hélio Lopes,  Sinésio Pesco,  Luiz Velho,  Esdras Soares de Medeiros Filho. 

Among the mesh compression algorithms, different schemes compress better specific categories of model. In particular, geometry-driven approaches have shown outstanding performances on isosurfaces. It would be expected these algorithm to also encode well meshes reconstructed from the geometry, or optimized by a geometric re-meshing. GEncode is a new single-rate compression scheme that compresses the connectivity of these meshes at almost zero-cost. It improves existing geometry-driven schemes for general meshes on both geometry and connectivity compression. This scheme extends naturally to meshes of arbitrary dimensions in arbitrary ambient space, and deals gracefully with non-manifold meshes. Compression results for surfaces are competitive with existing schemes.

http://doi.ieeecomputersociety.org/10.1109/SIBGRAPI.2005.27

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