Huaiping Yang Bert Jüttler Meshing Non-uniformly Sampled and Incomplete Data Based on Displaced T-spline Level Sets. 251-260 2007 conf/smi/2007 Shape Modeling International http://doi.ieeecomputersociety.org/10.1109/SMI.2007.26 db/conf/smi/smi2007.html#YangJ07