Hermite interpolation with simple planar PH curves by speed reparametrization |
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Authors: | Jae Hoon Kong Seung Pil Jeong Sunhong Lee Gwang Il Kim |
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Affiliation: | aDepartment of Mathematics and RINS, College of Natural Science, Gyeongsang National University, Jinju, 660-701, South Korea |
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Abstract: | We introduce a new method of solving C1 Hermite interpolation problems, which makes it possible to use a wider range of PH curves with potentially better shapes. By characterizing PH curves by roots of their hodographs in the complex representation, we introduce PH curves of type K(t?c)2n+1+d. Next, we introduce a speed reparametrization. Finally, we show that, for C1 Hermite data, we can use PH curves of type K(t?c)2n+1+d or strongly regular PH quintics satisfying the G1 reduction of C1 data, and use these curves to solve the original C1 Hermite interpolation problem. |
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Keywords: | Pythagorean-hodograph curves PH curves Complex representation Hermite interpolation Speed reparametrization |
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