Adrien Bartoli Mathieu Perriollat Sylvie Chambon Generalized Thin-Plate Spline Warps. 85-110 2010 88 International Journal of Computer Vision 1 http://dx.doi.org/10.1007/s11263-009-0303-4 db/journals/ijcv/ijcv88.html#BartoliPC10