Incremental Study Based on Support Vector Used to Anomaly Detection for Hyperspectral Imagery

Li Yan Zhang; De Rong Chen; Yong Hua Sun

doi:10.4028/www.scientific.net/KEM.500.722

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 500Incremental Study Based on Support Vector Used to...

Incremental Study Based on Support Vector Used to Anomaly Detection for Hyperspectral Imagery

Abstract:

While detecting anomalies in hyperspectral imagery with support vector data description (SVDD), large numbers of operation was run because of the high dimension character of dataset and the complexity of background and the high miss rate was discovered because of the interfered background by interior anomalies. This paper used incremental support vector data description (ISVDD) method that samples are divided many sub-sample, and incremental study is designed to simplify the computation. On every sub-sample study, optimization is needed according of the support vectors obtained from above sub-sample and current sub-sample data. By the experiment on the HYMAP data, computation complexity of the algorithm decrease obviously and the computation speed increase highly under the similar detection effect compared with SVDD algorithm.

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Periodical:

Key Engineering Materials (Volume 500)

Pages:

722-728

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.500.722

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Online since:

January 2012

Authors:

Li Yan Zhang, De Rong Chen, Yong Hua Sun

Keywords:

Anomaly Detection, Hyperspectral Imagery, Incremental Support Vector Data Description

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