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《Journal of Anhui Agricultural Sciences》 2009-28
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Information Extraction from Desertified Land Based on Spectrum Knowledge of Landsat-TM Image

WANG Li et al(Institute of Remote Sensing,Nanjing University of Information Science and Technology,Nanjing,Jiangsu 210044)  
TM remote sensing images was comprehensively processed.Its mean reflectance characteristics and the structural characteristics of spectra have been analyzed using the spectral curve difference between the sandy land and its background features.An information model has been established,which is suitable for information drawn from desertified land.examples show that its extraction accuracy is 86.733%.
【Fund】: 科技部公益性行业科研专项(GYHY200806002)
【CateGory Index】: X171
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