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- W2367874505 abstract "The computation of surface normal vector is an important task in the realization of Virtual Endoscope(VE) system.Normally, it is generated by two kinds of computational approaches: distance gradient or density gradient. Based on the discovery that these two approaches are principally complementary to each other. In this paper, the authors proposed a new algorithm to calculate the surface normal vector by merging the rendered images from distance gradient and density gradient approaches. To carry out the merging accurately and efficiently, two computational merging methods were designed respectively: algebraic merging and geometrical merging. The extensive experiment results show that the algorithm greatly improves the image quality and the geometrical merging performs superiorly to algebraic merging." @default.
- W2367874505 created "2016-06-24" @default.
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- W2367874505 date "2003-01-01" @default.
- W2367874505 modified "2023-09-25" @default.
- W2367874505 title "Computation of Surface Normal Vector in Virtual Endoscope System" @default.
- W2367874505 hasPublicationYear "2003" @default.
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