Zachi Karni Craig Gotsman Steven J. Gortler Free-Boundary Linear Parameterization of 3D Meshes in the Presence of Constraints. 268-277 2005 conf/smi/2005 SMI http://doi.ieeecomputersociety.org/10.1109/SMI.2005.22 db/conf/smi/smi2005.html#KarniGG05