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Computation of lower derivatives of rational triangular Bézier surfaces and their bounds estimation

✍ Scribed by Lei Zhang; Guo-jin Wang


Publisher
SP Zhejiang University Press
Year
2005
Tongue
English
Weight
515 KB
Volume
6
Category
Article
ISSN
1009-3095

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✍ Qian-Qian Hu; Guo-Jin Wang 📂 Article 📅 2007 🏛 Elsevier Science 🌐 English ⚖ 259 KB

This paper applies inequality skill, degree elevation of triangular Bézier surfaces and difference operators to deduce the bounds on first and second partial derivatives of rational triangular Bézier surfaces. Further more, we prove that the new bounds are tighter and more effective than the known o