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5 时间序列数据不同分类方法精度验证

Table 5 Accuracy verification of different classification methods for time series data

类型 Type 人工神经网络 ANN 支持向量机 SVM 随机森林 RF Sigma Gamma Sigma Gamma Sigma Gamma Prod. Acc User. Acc Prod. Acc User. Acc Prod. Acc User. Acc Prod. Acc User. Acc Prod. Acc User. Acc Prod. Acc User. Acc 果园Orchard 90.92 73.86 90.78 81.01 89.03 84.55 92.23 84.67 93.17 90.93 91.50 85.42 玉米Corn 17.31 93.66 46.35 88.01 56.45 88.54 48.51 91.65 71.60 93.19 53.38 89.70 棉花Cotton 85.96 86.72 79.06 94.85 89.53 82.11 81.34 99.89 90.88 88.43 86.52 92.61 建筑Building 84.11 98.74 88.57 93.85 84.02 98.74 85.65 90.45 87.14 97.99 82.32 99.57 水体Water 82.07 99.32 44.60 83.42 86.57 97.88 73.52 97.39 92.68 98.01 75.49 99.38 其他Other 97.30 58.18 98.09 52.71 95.74 70.50 98.23 59.06 95.46 85.62 98.79 80.72 Overall. Acc 77.85% 76.42% 84.36% 81.3% 88.97% 82.57% Kappa 0.73 0.71 0.81 0.77 0.87 0.79