1994 | OriginalPaper | Buchkapitel
Comparing Methods of Interpolation for Scattered Volumetric Data
verfasst von : Gregory M. Nielson, John Tvedt
Erschienen in: State of the Art in Computer Graphics
Verlag: Springer New York
Enthalten in: Professional Book Archive
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This report describes the methodology and some of the results of an empirical study devoted to comparing methods of interpolating scattered volumetric data. The data is represented by (xi, yi, zi,; Fi), i = 1, …, N, where Pi = (xi, yi, zi) represents the independent data variables, and Fi is the dependent data variable. No assumptions about the distribution of independent data sites is made except that the points are distinct. Several methods for constructing a function F such that F(Pi) = Fi, i = 1, …, N, are described and compared. The comparisons are based upon test functions, data sets, and an interactive program for visualizing and comparing the graphs of different models.