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- W3145062007 abstract "multi-resolution TIN model is an important issue in the contexts of visu-alization,virtual reality (VR),and geographic information systems (GIS). This paper proposes a new method for constructing multi-resolution TIN models with multi-scale topographic features preservation. The proposed method is driven by a half-edge collapse operation in a greedy framework and employs a new quadric error metric to efficiently measure geometric errors. We define topographic features in a multi-scale manner using a center-surround operator on Gaussian-weighted mean curvatures. Experimental results demonstrate that the proposed method performs better than previous methods in terms of topographic features preservation,and is able to achieve multi-resolution TIN models with a higher accuracy." @default.
- W3145062007 created "2021-04-13" @default.
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- W3145062007 date "2008-01-01" @default.
- W3145062007 modified "2023-09-23" @default.
- W3145062007 title "Multi-resolution representation of digital terrain models with terrain features preservation" @default.
- W3145062007 hasPublicationYear "2008" @default.
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