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3 研究区1精度评价结果

Tab.3 Results of accuracy assessment in site 1(%)

评价指标 NDVI CWI SWI ESWI NDWI MSWI SVM RF 总体精度 99.65 99.95 90.15 99.34 99.66 95.93 99.62 99.75 Kappa系数 98.83 99.83 72.62 97.82 98.86 85.46 92.21 94.42