Then with inverse mapping, new three-dimensional sampling points can be computed and cubic B-Splines surfaces are fitted.
根据逆映射求取三维采样点,最后,实现了三次 B 样条曲面拟合。
参考来源 - 三角网格模型光顺与B样条曲面拟合算法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The inverse mapping is achieved through BP network, and neural network modul is constructed for designing process parameters.
通过误差逆传播(BP)网络实现了逆映射，建立了工艺参数设计的神经网络模块。
There is no explicit formulation of inverse mapping about the isoparametric element, so inverse mapping is avoided in finite element analysis.
由于等参元不存在逆变换的显式，所以在有限元分析的列式中都回避等参元逆变换。
Based on the new method, the paper discusses an inverse mapping of rational parameter surface, also, the implicit equation of the parametric equation is obtained.
用该方法对基于有理参数曲面的逆映射进行了一些探讨，并得到参数曲面的隐式方程。
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