作者
Melba M Crawford, Li Ma, Wonkook Kim
发表日期
2011
期刊
Optical Remote Sensing: Advances in signal processing and exploitation techniques
页码范围
207-234
出版商
Springer Berlin Heidelberg
简介
Increased availability of hyperspectral data and greater access to advanced computing have motivated development of more advanced methods for exploitation of nonlinear characteristics of these data. Advances in manifold learning developed within the machine learning community are now being adapted for analysis of hyperspectral data. This chapter investigates the performance of popular global (Isomap and KPCA) and local manifold nonlinear learning methods (LLE, LTSA, LE) for dimensionality reduction in the context of classification. Experiments were conducted on hyperspectral data acquired by multiple sensors at various spatial resolutions over different types of land cover. Nonlinear dimensionality reduction methods often outperformed linear extraction methods and rivaled or were superior to those obtained using the full dimensional data.
引用总数
2011201220132014201520162017201820192020202120223714999586152
学术搜索中的文章