As a model, we use spline interpolation on a uniform tetrahedral partition, which the spline coefficients are repeated by the gridded samples.

• 在规则数据场中，本文提出了一个基于样条模型插值来重建三维结构的方法。该模型以样条基函数为背景，其函数系数则由周围采样点数据重复迭代产生。