# Function Representation of Solids Reconstructed from Scattered Surface Points and Contours

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**Authors: **Savchenko, V.V., Pasko, A.A., Okunev, O.G. and Kunii, T.L.

**Journal:** Computer Graphics Forum

**Volume:** 14

**Issue:** 4

**Pages:** 181-188

**eISSN:** 1467-8659

**ISSN:** 0167-7055

**DOI:** 10.1111/1467-8659.1440181

This paper presents a novel approach to the reconstruction of geometric models and surfaces from given sets of points using volume splines. It results in the representation of a solid by the inequality f(x,y,z) ≥ 0. The volume spline is based on use of the Green's function for interpolation of scalar function values of a chosen “carrier” solid. Our algorithm is capable of generating highly concave and branching objects automatically. The particular case where the surface is reconstructed from cross‐sections is discussed too. Potential applications of this algorithm are in tomography, image processing, animation and CAD for bodies with complex surfaces. © 1995 The Eurographics Association