Arc-Length Based Curvature Estimator. - Thomas Lewiner; João D. Gomes Jr.; Hélio Lopes 001; Marcos Craizer (SIBGRAPI, 2004)

Curvature and torsion estimators based on parametric curve fitting. - Thomas Lewiner; João D. Gomes Jr.; Hélio Lopes 001; Marcos Craizer (Comput. Graph., 2005)