ICA-based multi-temporal multi-spectral remote sensing images change detection

被引：1

作者：

Gu, Juan ^{[1
]}

Li, Xin ^{[1
]}

Huang, Chunlin ^{[1
]}

Ho, Yiu Yu ^{[2
]}

机构：

[1] Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China

[2] Univ Cent Florida, Sch Elect Engn & Comp Sci, Orlando, FL 32816 USA

来源：

SPACE EXPLORATION TECHNOLOGIES | 2008年 / 6960卷

基金：

美国国家科学基金会;

关键词：

remote sensing; change detection; multi-temporal images; Independent Component Analysis (ICA);

D O I：

10.1117/12.783807

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

Change detection is the process of identifying difference in the scenes of an object or a phenomenon, by observing the same geographic region at different times. Many algorithms have been applied to monitor various environmental changes. Examples of these algorithms are difference image, ratio image, classification comparison, and change vector analysis. In this paper, a change detection approach for mufti-temporal mufti-spectral remote sensing images, based on Independent Component Analysis (ICA), is proposed. The environmental changes can be detected in reduced second and higher-order dependencies in mufti-temporal remote sensing images by ICA algorithm. This can remove the correlation among mufti-temporal images without any prior knowledge about change areas. Different kinds of land cover changes are obtained in these independent source images. The experimental results in synthetic and real mufti-temporal mufti-spectral images show the effectiveness of this change detection approach.

引用

页数：10

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