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- W2982154754 abstract "In this paper, a novel method based on wavelet transformation of functional data for accurate classification of hyperspectral images is proposed. The motivation of the proposed method is that in the hyperspectral images, the spectral curve of each pixel can be viewed as a function, mathematically. And it can make the best of the abundant spectral information of the original hyperspectral images. Based on this, we have proposed an effective hyperspectral image classification method which mainly used functional principal component analysis (FPCA) before. However, FPCA method focuses on the global features analysis of hyperspectral image data and may not well extract local structural features. In this paper, in order to better reflect the local structural features of hyperspectral images, we make use of the time-frequency localization characteristics of wavelet transformation to decompose hyperspectral images. Then, the sparse wavelet decomposition coefficients are classified by using extreme learning machine (ELM). Experimental results on two popular hyperspectral images show that our method outperforms some state-of-the-art hyperspectral image classification methods." @default.
- W2982154754 created "2019-11-01" @default.
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- W2982154754 date "2019-07-01" @default.
- W2982154754 modified "2023-09-23" @default.
- W2982154754 title "Wavelet Transformation of Functional Data for Hyperspectral Image Classification" @default.
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- W2982154754 doi "https://doi.org/10.1109/ithings/greencom/cpscom/smartdata.2019.00087" @default.
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