双三次B样条曲面法在声纳测量数据空白填补中的作用  

Application of bicubic B-spline interpolation to the blank area of sonar surveying data

作　　者：朱振华[1] 

机构地区：[1]广州海洋地质调查局,广东广州510760

出　　处：《测绘工程》2013年第1期75-77,共3页Engineering of Surveying and Mapping

摘　　要：介绍双三次B样条曲面法插值原理。顾及特征点的影响对双三次B样条曲面型值点阵进行优化选取。然后将该算法应用于填补声纳测量中出现的数据空白区域,并与采用普通克里金插值法的填补效果相比较,证明使用优化后的双三次B样条曲面法填补更合理。It introduces the principle of bicubic B-spline interpolation surface. Considering the influence of feature points,the selection of the data points of bicubic B-spline interpolation surface is optimized. This optimized algorithm is applied to estimating the blank areas of sonar surveying data, from which the result is compared with Ordinary Kriging. The comparison shows that using bieubic B-spline interpolation surface will lead to a more reasonable effect.

关 键 词：双三次B样条曲面 型值点阵优化 空白填补 

分 类 号：P207[天文地球—测绘科学与技术]