一个地形三维可视化系统，版本2.0，采用多种小波变换构造多分辨率模型-a 3D terrain visualization system, version 2.0, the adoption of multiple wavelet transform Multi-resolution model

超小波分析及应用，surfacelet 超小波的基本原理和应用环境。采用3D Context模型能够准确衡量变换系数能量接近情况。-Wavelet analysis and application of super, surfacelet super wavelet basic principles and applications. Using 3D Context model can accurately measure the conversion coefficient of energ