Water body information extraction based on Landsat TM remote sensing imagery

doi:10.7523/j.issn.2095-6134.2013.05.011

Abstract

Abstract:

In this work, Wuhu City in China was selected as the studied area. NDWI, MNDWI, LBV_B, KT₃+TM₄>TM₂+TM₇, and a new model KT₃+TM₂>TM₄+TM₃ were used to extract water body information based on Landsat TM data. Qualitative and quantitative comparisons were made. The results show that the new water information extraction model, KT₃+TM₂>TM₄+TM₃, is the most accurate(with a total accuracy of 93%), and its accuracy is less affected by vegetation and buildings.

Key words: water body extraction, spectral relationships, LBV transformation, characteristic band

CLC Number:

TP75

LIU Gui-Lin, ZHANG Luo-Cheng, LIU Jian, LI Guang-Yu. Water body information extraction based on Landsat TM remote sensing imagery[J]. , 2013, 30(5): 644-650.

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