顾及空间分布的改进薄板样条矢量数据几何精度降低方法
王敏璇, 阳璇, 查启航, 孙睿, 任娜

A Vector Data Geometric Accuracy Reduction Method Considering Spatial Distribution Based on the Improved Thin Plate Spline Model
WANG Minxuan, YANG Xuan, ZHA Qihang, SUN Rui, REN Na
表6 3种算法降低精度与数据可用性对比
Tab. 6 Comparison of RMSE and data availability after accuracy reduction based on three models
处理模型 处理后
精度/m
空间方向一致性/% 图形形态相似性/%
改进薄板样条模型 10.467 6 99.62 99.99
传统薄板样条模型 10.552 2 94.10 99.97
高斯函数模型 12.389 0 93.76 99.98