Compare and analyse the extractable presion of different methods and different sensor images respectively, gained the conclusion: the Spectral Angle Mapper is more convenient and accurate than the spectral knowledge method.
分别对基于不同方法及不同传感器图像的不同类型沙化信息提取结果进行精度对比分析，并得出结论：波谱角分类法比光谱知识法提取信息更加方便和快捷，且精度较高。
参考来源 - 多源遥感影像沙化土地信息提取研究·2,447,543篇论文数据，部分数据来源于NoteExpress
A novel method for spectral similarity measure, which is called nonlinear spectral Angle mapper, is presented.
提出了一种新的光谱相似性度量方法，即非线性光谱角制图。
Using TM data and image process software ENVI3.2, the winter wheat area and distribution information were obtained by methods of Spectral Angle Mapper and man machine interactive interpretation etc.
应用陆地卫星TM资料和遥感图像处理ENVI3.2软件，以监督分类波谱角法、人机交互等方法提取冬小麦面积及分布信息。
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