As one of the important indexes to measure the degree of urbanization and environmental quality,impervious surface has attracted more and more attention.In this paper,the method of using feature optimization and support vector machine was proposed to estimate impervious surface percentage.Meanwhile,part of Pearl River Delta,which is the typical area of urban impervious surface,was taken as a study case.Firstly,Landsat 8 image and GF-1 image were utilized to construct the ISP predictive model and the true va...
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