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- W2539415427 abstract "The authors propose three simple, but significant improvements to the OoCS (Out-of-Core Simplification) algorithm of P. Lindstrom (2000) which increase the quality of approximations and extend the applicability of the algorithm to an even larger class of compute systems. The original OoCS algorithm has memory complexity that depends on the size of the output mesh, but no dependency on the size of the input mesh. That is, it can be used to simplify meshes of arbitrarily large size, but the complexity of the output mesh is limited by the amount of memory available. Our first contribution is a version of OoCS that removes the dependency of having enough memory to hold (even) the simplified mesh. With our new algorithm, the whole process is made essentially independent of the available memory on the host computer. Our new technique uses disk instead of main memory, but it is carefully designed to avoid costly random accesses. Our two other contributions improve the quality of the approximations generated by OoCS. We propose a scheme for preserving surface boundaries which does not use connectivity information, and a scheme for constraining the position of the representative vertex of a grid cell to an optimal position inside the cell." @default.
- W2539415427 created "2016-10-28" @default.
- W2539415427 creator A5003584200 @default.
- W2539415427 creator A5021680862 @default.
- W2539415427 date "2001-10-21" @default.
- W2539415427 modified "2023-09-25" @default.
- W2539415427 title "A memory insensitive technique for large model simplification" @default.
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- W2539415427 doi "https://doi.org/10.5555/601671.601689" @default.
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