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Progressive multilevel meshes from octree particles

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2 Author(s)
Yemez, Y. ; Dept. of Signal & Image Process., CNRS, Paris, France ; Schmitt, F.

We present a multilevel object modeling scheme adapted to storage and progressive transmission of complex 3D objects. Geometry and texture are encoded in terms of surface particles associated to a hierarchical space partitioning via an octree. Proper ordering of surface particles results in a compact multilevel representation without increasing the size of the uni-resolution model which provides the highest level of detail. This compact representation can be progressively decoded by the viewer and transformed by a fast direct triangulation technique into a sequence of triangle meshes of increasing levels of detail. The proposed scheme is demonstrated with 3D models of real objects constructed by a shape from silhouette technique

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3-D Digital Imaging and Modeling, 1999. Proceedings. Second International Conference on

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