divergence index meaning in English
分歧指数,趋异指数
Examples
- In chapter 3 we analyze a useful statistical method - projection pursuit ( pp ) , including its basic theory and application . we put out definitions of projection index and projection pursuit , then prove that pca is a special case of pp with sample variance as projection index and list some indices often used . in section 3 . 3 we apply pp with information divergence index to hyperspectral image , and demonstrate the advanced ability of it by the comparison between it and pca
第三章围绕一种新兴的统计降维方法? ?投影寻踪展开讨论，概述投影寻踪的一般理论，定义了投影指标和投影寻踪的概念，证明了传统的主成分分析方法是投影寻踪的一个特例，证明了正态性与friedman指标为0的等价性；第三节针对高光谱图像处理问题，从实例和理论两个方面，论证了以信息散度为指标的投影寻踪方法在提取信息的能力上优于以方差大小作为衡量信息量多少标准的主成分分析方法。