通过idl编程实现图像的isodata分类算法，结果表明isodata在图像分类中可以取得较好的结果。,Idl programming through ISODATA image classification algorithm, ISODATA results show that in image classification can be achieved better results.

基于IDL与ENVI二次开发的遥感系统开发方法,写的比较详细,Based on IDL and ENVI secondary development of remote sensing systems development methods, written in a more detailed