对数变换、 导数变换的高寒草地反射光谱特征分析与识别——以那曲地区HJ-1A/HSI图像为例
刘炜, 孙海霞, 杨晓波, 董建民

Spectral Reflectance Characteristics of Alpine Grassland Based on Derivative and Logarithmic Transform Spectra —Take HJ-1A/HSI Images of Naqu Prefecture as an Example
LIU Wei, SUN Hai-xia, YANG Xiao-bo, DONG Jian-min
三种光谱数据KICA-NFCM算法分类 (a): 原始光谱分类; (b): 一阶导数光谱分类;(c)对数变换光谱分类