bicubic

基本解释

Bicubic interpolation is a classical algorithm used in spacial transformation of image such as image rotation and zooming.
双三次插值是图像空域变换的经典算法，可用于图像旋转和放缩等灰度插值。
kns50.chkd.cnki.net
Using active fault movement data, we calculated the average horizontal strain rate field of China Continent and vicinity since late Pleistocene with Bessel bicubic spline model.
根据活断层资料，利用贝塞尔双三次样条模型对中国大陆及其邻区晚更新世以来的平均水平应变率场进行了计算。
Through data rarefaction treatment, the double-ordering of the discrete data is realized and the reconstruction of the inner surface of the radome is completed based on bicubic B-spline function.
通过数据的疏化处理，实现了测量型值点的双有序，完成了基于双三次B样条曲面的天线罩内廓曲面重构。

双三次
At the same time, interpolation algorithm of terrain reconstruction based on bicubic B-spline and fractal is also discussed. An improved algorithm of random midpoint displacement method based on surface fractal character is proposed.
同时重点讨论了地形重构技术,采用基于双三次B-样条的地形重构算法和基于分形的地形重构算法,并提出了基于随机中点位移法的改进分形算法,该算法可以克服采用一般分形方法产生的地形各向同性的缺点,得到反映真实地形各向异性特性的真实模拟效果。
双立体
立方体
双三次的