基于多时相双极化SAR数据的作物种植面积提取
古丽努尔·依沙克,买买提·沙吾提,马春玥

Extraction of crop acreage based on multi-temporal and dual-polarization SAR data
ISAK Gulnur,SAWUT Mamat,Chun-Yue MA
表6 棉花种植面积精度验证
Table 6 Accuracy verification of cotton planting area
编号
No.		 棉花样方面积
Sample area of
cotton (hm2)		 棉花分类面积
Classified area of
cotton (hm2)		 精度
Accuracy
(%)		 编号
No.		 非棉花样方面积
Sample area of
non-cotton (hm2)		 非棉花分类面积Classified area of non-cotton (hm2) 精度
Accuracy
(%)
1 43.37 43.58 99.53 21 1.40 1.39 98.76
2 102.52 104.98 97.60 22 1.74 1.77 98.35
3 37.12 35.69 96.14 23 2.19 2.26 96.97
4 34.69 33.20 95.69 24 1.24 0.88 95.40
5 31.38 32.88 95.23 25 2.08 1.98 95.14
6 8.44 8.87 94.90 26 32.20 33.82 94.98
7 54.79 51.59 94.15 27 31.13 33.02 93.95
8 8.24 7.51 91.20 28 24.27 21.51 88.62
9 106.06 116.13 90.51 29 16.46 14.44 87.75
10 117.49 129.85 89.48 30 1.71 1.43 83.84
11 131.91 114.47 86.78 31 36.74 29.42 80.08
12 28.15 24.25 86.13 32 72.66 52.31 72.00
13 36.63 31.53 86.08 33 1.18 0.85 71.94
14 105.81 90.80 85.81 34 4.28 5.60 69.09
15 94.85 80.10 84.44 35 21.44 13.70 63.89
16 26.81 21.82 81.40 36 47.88 30.51 63.72
17 18.27 11.80 64.60 37 47.44 26.79 56.47
18 38.16 17.76 46.54 38 3.69 5.42 53.42
19 18.51 8.59 46.40 39 30.36 7.85 25.87
20 28.68 12.81 44.67 40 6.67 1.19 17.86
棉花样方总面积Total sample area (hm2) 1147.85 非棉花样方总面积Total sample area (hm2) 434.81
棉花分类总面积Total classified area (hm2) 1058.03 非棉花分类总面积Total classified area (hm2) 334.89
总精度 Overall accuracy: 92.17% 总精度 Overall accuracy: 73.64%