基于GF-1卫星遥感数据识别京津冀冬小麦面积

王利民, 刘佳, 杨福刚, 杨玲波, 姚保民, 王小龙

Acguisition of Winter Wheat Area in the Beijing-Tianjin-Hebei Region with GF-1 Satellite Data

Li-Min WANG, Jia LIU, Fu-Gang YANG, Ling-Bo YANG, Bao-Min YAO, Xiao-Long WANG

表 2 冬小麦提取结果验证样本点混淆矩阵

Table 2 Confusion matrix of validation sample points of national scale winter wheat extraction result

地表物 Ground objective 冬小麦 Winter wheat 其他地表物 Other ground objectives 总计 Total 用户精度 User accuracy (%) 制图精度 Mapping accuracy (%) 总体精度 Overall accuracy (%) Kappa系数 Kappa coefficient 冬小麦 Winter wheat 1033 37 1070 89.8 96.5 89.6 0.72 其他地表物 Other ground objectives 117 292 409 88.8 71.4 总计 Total 1150 329 1479