GVU Technical Report Number: GIT-GVU-05-04

Title: Punctuated Simplification of Man-Made Objects

Authors: Justin Jang, Peter Wonka, William Ribarsky, Christopher D. Shaw

Abstract:
We present a simplification algorithm for manifold polygonal meshes of plane-dominant models. Models of this type are likely to appear in man-made environments. While traditional simplification algorithms focus on generality and smooth meshes, the approach presented here considers a specific class of man-made models. By detecting and classifying edge loops on the mesh and providing a guided series of binary mesh partitions, our approach generates a series of simplified models, each of which better respects the semantics of these kinds of models than conventional approaches do. A guiding principle is to eliminate simplifications that do not make sense in constructed environments. This, coupled with the concept of punctuated simplifica-tion, leads to an approach that is both efficient and delivers high visual quality. Comparative results are given.

Keywords: Polygon mesh simplification, level-of-detail, loop feature detection

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