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Geometry Based Connectivity Compression of Triangular Meshes

Many interactive 3D graphics applications like manufacturing, design, networked-gaming, need to access 3D data remotely. Transfer of large data sets consumes lot of bandwidth and space. In this paper we describe a lossless scheme for compressing 3D-surface data, represented by triangular meshes. We present a new algorithm which exploits geometry (vertex) information for encoding connectivity. The experimental results obtained are better than Edgebreaker, the existing best method.