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 1 NDVI均值结果与冬小麦面积指数的比较

Table 1 Comparison between NDVI mean value result and winter wheat area index

地表物 Ground objective NDVI平均值 Average NDVI 冬小麦面积指数 Winter wheat area index 冬小麦 Winter wheat 0.4250 0.3489 其他地表物 Other ground objectives 0.2624 0.1298 差异绝对值 Difference value 0.1626 0.2191 差异倍数 Difference multiple 1.62 2.69