Splines in the Space of Shells
Splines in the Space of Shells
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壳空间中的样条线
DOI:
10.1111/cgf.12968
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发表时间:
2016
影响因子:
2.5
通讯作者:
B. Wirth
中科院分区:
文献类型:
--
作者:
B. Heeren;M. Rumpf;P. Schröder;M. Wardetzky;B. Wirth
Cubic splines in Euclidean space minimize the mean squared acceleration among all curves interpolating a given set of data points. We extend this observation to the Riemannian manifold of discrete shells in which the associated metric measures both bending and membrane distortion. Our generalization replaces the acceleration with the covariant derivative of the velocity. We introduce an effective time‐discretization for this novel paradigm for navigating shell space. Further transferring this concept to the space of triangular surface descriptors—edge lengths, dihedral angles, and triangle areas—results in a simplified interpolation method with high computational efficiency.
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