MotivationTwo ways to get complex meshesmodeling & range scanningComplex meshes challenge1. Rendering performance2. Transmission bandwidth3. Storage capacities43,000 faces 43,000 facesMotivation contThe practical problems: Mesh simplification Level-of-detail approximation(smoothly) Progressive transmission Mesh compressionMinimizing the storage space for a mesh Selective refinementOnly in selected region, high detailed for a model isrequired13,0001,000 200Mesh simplificationThe number of facesare reduced whileminimally perturbingthe shape
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