典型植被指数识别火烧迹地潜力分析

孙桂芬, 覃先林, 刘树超, 李晓彤, 陈小中, 钟祥清

Potential analysis of typical vegetation index for identifying burned area

Guifen SUN, Xianlin QIN, Shuchao LIU, Xiaotong LI, Xiaozhong CHEN, Xiangqing ZHONG

表3 精度评价结果

Tab.3 Results of accuracy evaluation

GF-1 Landsat8 评价指标 BAI NBR BAI 火烧区制图精度/% 78.95 61.84 72.45 未火烧区制图精度/% 96.59 96.92 94.55 火烧区用户精度/% 91.46 92.68 86.59 未火烧区用户精度/% 90.83 86.70 87.61 总体精度/% 91.00 88.33 87.33 Kappa系数 0.78 0.73 0.70