参考文献/References:
[1] Piegl Les, Tiller Wayne. The NURBS book [M]. New York, USA:Springer,1995:60-200.
[2] Boehm W. Inserting new knots into B-spline curves [J].Computer-Aided Design, 1980, 12(4): 199-201.
[3] Hu S M, Tai C L, Zhang S H. An extension algorithm for B-splines by curve unclamping [J]. Computer-Aided Design, 2002, 34(5):415-419.
[4] Chen X D, Ma W Y, Paul J C. Cubic B-spline curve approximation by curve unclamping [J]. Computer-Aided Design, 2010, 42(6):523-534.
[5] Zhiming X, Jincheng C, Zhengjin F. Performance evaluation of a realtime interpolation algorithm for NURBS curves [J]. Int J Adv Manufact Technol, 2002, 20:270-276.
[6] Cheng F B, Liu Z Y, Duan G F,et al. NURBS surface deformation design for complex products by transplanting the surface feature[J]. Engineering with Computers, 2014, 30(4):599-608.
[7] Tsai Mengshiun, Nien Haowei, Yau Hongtzong. Development of an integrated look-ahead dynamics-based NURBS interpolator for high precision machinery [J]. Computer-Aided Design, 2008, 40(5): 554-566.
[8] Shi Xiquan, Wang Tianjun,Wu Peiru, et al. Reconstruction of convergent G1 smooth B-spline surfaces [J].Computer Aided Geometric Design, 2004, 21(9): 893-913.
[9] Jiang Q Q, Wu Z K, Zhang T, et al. G(2)-continuity extension algorithm of ball B-spline curves [J]. Ieice Transactions on Information and Systems, 2014, 97(8):2030-2037.
[10] Chen H, Bishop J. Delaunay triangulation for curved surface [C]//Proceedings of the 6th International Meshing Roundtable. Park City, USA, 1997:115-127.
[11] Shetty S, White P R. Curvature-continuous extensions for rational B-spline curves and surfaces [J].Computer-Aided Design, 1991, 23(7):484-491.