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Opacity volume based halo generation and depth-dependent halos
2012
The Visual Computer
Halos are generally used to enhance depth perception and display spatial relationships in illustrative visualization. In this paper, we present a simple and effective method to create volumetric halo illustration. At the preprocessing stage, we generate, on graphics hardware, a viewindependent halo intensity volume, which contains all of the potential halos around the boundaries of features, based on the opacity volume. During halo rendering, the halo intensity volume is used to extract halos
doi:10.1007/s00371-012-0764-2
fatcat:cirmpmvt3ffvpbzeja6cj76doy