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• W1991382078 abstract "Hyperspectral image processing has attracted high attention in remote sensing fields. One of the main issues is to develop efficient methods for dimensionality reduction via feature extraction. This letter proposes a new nonlinear unsupervised feature extraction algorithm using Hurst and Lyapunov exponents to reveal local and general spectral profiles, respectively. A hyperspectral reflectance curve from each pixel is regarded as a time series, and it is represented by Hurst and Lyapunov exponents. These two new features are then used to overcome the Hughes problem for reliable classification. Experimental results show that the proposed method performs better than a few other feature extraction methods tested." @default.
• W1991382078 created "2016-06-24" @default.
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• W1991382078 date "2012-07-01" @default.
• W1991382078 modified "2023-09-26" @default.
• W1991382078 title "Using Hurst and Lyapunov Exponent For Hyperspectral Image Feature Extraction" @default.
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• W1991382078 doi "https://doi.org/10.1109/lgrs.2011.2179005" @default.
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