复杂环境下GF-2影像水体指数的构建及验证

王春霞, 张俊, 李屹旭, Phoumilay

The construction and verification of a water index in the complex environment based on GF-2 images

WANG Chunxia, ZHANG Jun, LI Yixu, PHOUMILAY

表8 研究区4水体提取精度评价结果

Tab.8 Results of accuracy assessment in site 4(%)

评价指标 NDVI CWI NDWI SWI ESWI MSWI 总体精度 74.37 100 78.71 78.37 80.93 80.93 Kappa系数 36.09 100 38.46 52.37 61.39 61.39