Mr. Qian Chen Profile

Qian Chen

at Capital Normal Univ

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Proceedings Article | 21 July 2017 Paper

Classification of high-resolution multispectral satellite remote sensing images using extended morphological attribute profiles and independent component analysis

Yu Wu, Lijuan Zheng, Donghai Xie, Ruofei Zhong

Proc. SPIE. 10420, Ninth International Conference on Digital Image Processing (ICDIP 2017)

KEYWORDS: Independent component analysis, Satellites, Remote sensing, Satellite imaging, Image classification, Earth observing sensors

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In this study, the extended morphological attribute profiles (EAPs) and independent component analysis (ICA) were combined for feature extraction of high-resolution multispectral satellite remote sensing images and the regularized least squares (RLS) approach with the radial basis function (RBF) kernel was further applied for the classification. Based on the major two independent components, the geometrical features were extracted using the EAPs method. In this study, three morphological attributes were calculated and extracted for each independent component, including area, standard deviation, and moment of inertia. The extracted geometrical features classified results using RLS approach and the commonly used LIB-SVM library of support vector machines method. The Worldview-3 and Chinese GF-2 multispectral images were tested, and the results showed that the features extracted by EAPs and ICA can effectively improve the accuracy of the high-resolution multispectral image classification, ~2% larger than EAPs and principal component analysis (PCA) method, and ~6% larger than APs and original high-resolution multispectral data. Moreover, it is also suggested that both the GURLS and LIB-SVM libraries are well suited for the multispectral remote sensing image classification. The GURLS library is easy to be used with automatic parameter selection but its computation time may be larger than the LIB-SVM library. This study would be helpful for the classification application of high-resolution multispectral satellite remote sensing images.

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