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Feature extraction based on discriminant analysis with penalty constra int for hyperspectral image cl assification
Luo H.W.; Yang L.N.; Li Y.-M.; Yuan H.L.; Tang Y.Y.
2013
Conference Name12th International Conference on Machine Learning and Cybernetics, ICMLC 2013
Source PublicationProceedings - International Conference on Machine Learning and Cybernetics
Volume2
Pages931-936
Conference Date14 July 2013through 17 July 2013
Conference PlaceTianjin
Abstract

The main issue of hyperspectral image data (HSI) is its high dimensionality which conducts challenge in high dimensional data analysis community. Popular linear approaches can work effectively when the data is unimodal Gaussian class conditional independently distributions. Yet, they usually fail when applied to HSI data since the distribution of HSI data is usually unknown in reality. Locality preserving projection (LPP) addresses this problem approvingly, where the neighborhood information can be preserved in the reduced space. Based on typical behaviors of Fisher's linear discriminant analysis (LDA), a novel discriminant analysis framework under penalty constraint(PFDA), which extends the ideas of LDA and LPP, is developed in this paper. Benefiting from different construction of affinity matrix, our method can also preserve the locality embedding information effectively in the reduced space. Four types of PFDA are analyzed in this paper and the efficiency and effectiveness of proposed methods under penalty framework are demonstrated by both synthesis data and real hyperspectral remote sensing image data set.

KeywordDimension Reduction Feature Extraction Hyperspectral Image Classification Linear Discriminant Analysis Penalty Discriminant Analysis
DOI10.1109/ICMLC.2013.6890416
URLView the original
Language英語English
Scopus ID2-s2.0-84907261531
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Citation statistics
Document TypeConference paper
CollectionUniversity of Macau
AffiliationUniversidade de Macau
First Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Luo H.W.,Yang L.N.,Li Y.-M.,et al. Feature extraction based on discriminant analysis with penalty constra int for hyperspectral image cl assification[C], 2013, 931-936.
APA Luo H.W.., Yang L.N.., Li Y.-M.., Yuan H.L.., & Tang Y.Y. (2013). Feature extraction based on discriminant analysis with penalty constra int for hyperspectral image cl assification. Proceedings - International Conference on Machine Learning and Cybernetics, 2, 931-936.
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