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- W2387103612 abstract "Regular partition between different terrain blocks ignoring the terrain features leads to the problem of large processing time difference. Hierarchical geometrical error evaluating criteria based on elevation difference has the disadvantages of insufficient local precision and terrain features missing. Aiming at solving these problems,this paper proposed a simplified terrain model algorithm for holding features of adaptive partition. In the preprocessing stage,the variance weighted entropy was adopted for large-scale terrain partition,which implemented the multi-resolution of terrain portions. In the real-time rendering stage,the method of error calculation based on vertex degree solved the limitation of the geometric error to keep the terrain feature and local detail. The experimental results demonstrate that the proposed method can keep local details and terrain features,and furthermore improve the effect of terrain rendering." @default.
- W2387103612 created "2016-06-24" @default.
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- W2387103612 date "2015-01-01" @default.
- W2387103612 modified "2023-09-23" @default.
- W2387103612 title "Terrain simplification algorithm for holding features of adaptive multi-resolution block" @default.
- W2387103612 hasPublicationYear "2015" @default.
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