A property on singularities of NURBS curves

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Abstract

We prove that if an open Non Uniform Rational B-Spline curve of order k has a singular point, then it belongs to both curves of order k - 1 defined in the k - 2 step of the de Boor algorithm. Moreover, both curves a.re tangent at the singular point. © Springer-Verlag Berlin Heidelberg 2002.

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Arnal, A., Lluch, A., & Monterde, J. (2002). A property on singularities of NURBS curves. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 2330 LNCS, pp. 229–238). Springer Verlag. https://doi.org/10.1007/3-540-46080-2_24

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