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Approximate merging of two curves. Speaker: Jun Chen Nov. 28, 2007. References. Approximate merging of a pair of Bezier curves Shi-Min Hu, Ruo-Feng Tong, Tao Ju, Jia-Guang Sun
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Approximate merging of two curves Speaker: Jun Chen Nov. 28, 2007
References Approximate merging of a pair of Bezier curves Shi-Min Hu, Ruo-Feng Tong, Tao Ju, Jia-Guang Sun (CAD,2001)
Background Approximate conversion of spline curves. Josef Hoschek (CAGD 1987) • Reducing the amount of communicating data: • 1.Degree reduction • 2.Merging
Background Approximate conversion of spline curves. Josef Hoschek (CAGD 1987)
Remarks ?
Merging & degree reduction Perturbation Degree reduction Merging
降阶:一条低阶曲线逼近一条高阶曲线,附带端点的插值条件。降阶:一条低阶曲线逼近一条高阶曲线,附带端点的插值条件。 • 合并:一条高阶曲线逼近两条低阶曲线,附带端点的插值条件。
References Approximate merging of B-spline curves via knot adjustment and constrained optimization Chiew-Lan Tai, Shi-Min Hu, Qi-Xing Huang (CAD,2003)
Hong Kong University of Science and Technology • Geometric modeling, computer graphics, and graphics recognition.
Future work • Squared difference integral norm • 3次,且G2连续(梁清清,2006)