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- W2015569716 abstract "Volumetric data, such as output from CT scans or laser range scan processing methods, often have isosurfaces that contain topological noise-small handles and holes that are not present in the original model. Because this noise can significantly degrade the performance of other geometric processing algorithms, we present a volumetric method that removes the topological noise and patches holes in undefined regions for a given isovalue. We start with a surface completely inside the isosurface of interest and a surface completely outside the isosurface. These surfaces are expanded and contracted, respectively, on a voxel-by-voxel basis. Changes in topology of the surfaces are prevented at every step using a local topology test. The result is a pair of surfaces that accurately reflect the geometry of the model but have simple topology. We represent the volume in an octree format for improved performance in space and time." @default.
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- W2015569716 date "2008-01-01" @default.
- W2015569716 modified "2023-09-30" @default.
- W2015569716 title "Topological simplification of isosurfaces in volumetric data using octrees" @default.
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- W2015569716 doi "https://doi.org/10.1016/j.gmod.2007.06.002" @default.
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