专题信息提取中降低植被影响的处理方法研究

Study on Processing Methods for Reducing Vegetation Effect in Extracting Thematic Information

探讨了运用ＴＭ影像提取专题信息时降低植被影响的两类技术：分离技术和掩膜技术以及分类原因，同时具体介绍了它们所包括的几种方法的基本原理和应用效果。提出不同地形环境需应用不同的技术和方法。

Using Thematic Mapper data,to extracting thematic information,the article explores two kinds of techniques:Separate technique and mask technique,for degrading vegetable cover effects. The article introduces classified reason,principle and result of several methods comprised in the two techniques,at last advocates to apply suitable methods according to terrain.