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Improved Local Covariance Matrix Representation for Hyperspectral Image Classification
Zhang, Xinyu1; Wei, Yantao1; Yao, Huang1; Zhou, Yicong2
2020-09-26
Conference NameIEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Source PublicationInternational Geoscience and Remote Sensing Symposium (IGARSS)
Pages68-71
Conference Date2020/09/26-2020/10/02
Conference PlaceWaikoloa, HI, USA
Abstract

This paper proposes a novel spectral-spatial feature representation method for hyperspectral image (HSI) classification. It combines the advantages of adaptive weighted filtering (AWF) and local covariance matrix representation (L-CMR) to make full use of the spatial similarity and correlation among different spectral bands. Specifically, the proposed method first uses the maximum noise fraction (MNF) to reduce the dimensionality of HSI. Then, multiscale AWF (MAWF) is applied to make use of spatial information. N ext' the spectral-spatial features are obtained by calculating the local covariance matrix of the given pixel and its neighbors. Finally, the learned spectral-spatial features of each pixels are fed into support vector machine (SVM) for classification. Experimental results on two publicly available HSI datasets show that the proposed method is superior to several existing methods in terms of both classification accuracy and classification visual effect, especially when the number of training samples is small.

KeywordAdaptive Weighted Filtering Covariance Matrix Feature Extraction Hyperspectral Image Classification
DOI10.1109/IGARSS39084.2020.9324304
URLView the original
Indexed ByCPCI-S
Language英語English
WOS Research AreaComputer Science ; Environmental Sciences & Ecology ; Geology ; Remote Sensing ; Optics
WOS SubjectComputer Science, Artificial Intelligence ; Environmental Sciences ; Geosciences, Multidisciplinary ; Remote Sensing ; Optics
WOS IDWOS:000664335300019
Scopus ID2-s2.0-85101990525
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Document TypeConference paper
CollectionFaculty of Science and Technology
Corresponding AuthorWei, Yantao
Affiliation1.School of Educational Information Technology, Central China Normal University, Wuhan, China
2.University of Macau, Faculty of Science and Technology, Taipa, Macao
Recommended Citation
GB/T 7714
Zhang, Xinyu,Wei, Yantao,Yao, Huang,et al. Improved Local Covariance Matrix Representation for Hyperspectral Image Classification[C], 2020, 68-71.
APA Zhang, Xinyu., Wei, Yantao., Yao, Huang., & Zhou, Yicong (2020). Improved Local Covariance Matrix Representation for Hyperspectral Image Classification. International Geoscience and Remote Sensing Symposium (IGARSS), 68-71.
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