一种稳定阈值的湖泊水体信息提取方法

朱小强, 丁建丽, 夏楠, 郭家新, 张淑霞, 杨童童, 王敬哲, 李晓航

Temperature vegetation water index: A novel stabilized threshold method for lake surface water mapping

Xiaoqiang ZHU, Jianli DING, Nan XIA, Jiaxin GUO, Shuxia ZHANG, Tongtong YANG, Jingzhe WANG, Xiaohang LI

表2 艾比湖不同时相内各水体指数提取水体精度评价

Table 2 Water extraction accuracy evaluation of each water index in 2013 and 2016, Ebinur Lake

方法 总体精度/% Kappa系数 生产者精度/% 用户精度/% 错分/% 2013.5 2016.5 2013.5 2016.5 2013.5 2016.5 2013.5 2016.5 2013.5 2016.5 NDVI 97.80 97.08 0.95 0.93 96.30 97.84 99.84 97.22 0.16 2.78 NDWI 98.57 96.85 0.97 0.93 98.02 97.40 99.47 97.27 0.53 2.73 MNDWI 94.41 85.71 0.88 0.69 99.73 99.96 91.26 80.48 8.74 19.52 TVWI 98.51 97.33 0.97 0.95 98.82 97.19 98.57 98.25 1.43 1.75