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基于AVHRR影像的北半球积雪识别算法
王京达1,2(), 郝晓华2(), 和栋材1, 王建2,3, 李弘毅2, 赵琴2
Snow discrimination algorithm in the Northern Hemisphere based on AVHRR image
Jingda WANG1,2(), Xiaohua HAO2(), Dongcai HE1, Jian WANG2,3, Hongyi LI2, Qin ZHAO2

图4. 三级指标NDSI积雪和非雪频率分布(a)和总体精度(b)

Fig. 4. Frequency distribution of third-level indicator NDSI with and without snow (a) and overall accuracy (b)