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7 研究区3水体提取精度评价结果

Tab.7 Results of accuracy assessment in site 3(%)

评价指标 NDVI CWI NDWI SWI ESWI MSWI 总体精度 98.12 99.30 99.42 94.86 99.33 96.05 Kappa系数 85.46 94.62 95.66 70.53 94.97 75.83