不同植被红边指数在城市草地健康判别中的对比研究

方灿莹, 王琳, 徐涵秋

A Comparative Study of Different Red Edge Indices for Remote Sensing Detection of Urban Grassland Health Status

FANG Canying,WANG lin,XU Hanqiu

表5 草地健康等级判别精度验证

Tab. 5 Accuracy validation of the health grade of grasslands

指数类型 福州市 厦门市 总精度/% Kappa系数 总精度/% Kappa系数 REP 62.12 0.4311 67.83 0.5195 MTCI 69.70 0.5480 63.16 0.4478 NDRE1 87.37 0.8103 83.62 0.7647 IRECI 91.41 0.8909 89.47 0.8419 CIred-edge 74.24 0.6167 83.04 0.7457 MCARI2 85.86 0.7876 84.79 0.7716