Yutaka Ohtake Alexander G. Belyaev Hans-Peter Seidel 3D Scattered Data Approximation with Adaptive Compactly Supported Radial Basis Functions. 31-39 2004 conf/smi/2004 SMI http://doi.ieeecomputersociety.org/10.1109/SMI.2004.1 db/conf/smi/smi2004.html#OhtakeBS04