Spacecraft Recovery & Remote Sensing, Volume. 45, Issue 5, 134(2024)
Application Evaluation of Vegetation Ecological Survey in Plateau Area of ZY-1 02E Satellite
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Table 1. Data parameter of ZY-1 02E
View tableView in ArticleTable 1. Data parameter of ZY-1 02E
卫星载荷 项目 参数 可见光/近红外相机 光谱范围 B01 0.452~0.902 μm B02 0.452~0.521 μm B03 0.522~0.607 μm B04 0.635~0.694 μm B05 0.776~0.895 μm B06 0.416~0.452 μm B07 0.591~0.633 μm B08 0.708~0.752 μm B09 0.871~1.047 μm 空间分辨率 B01 2.5 m B02~B09 10 m 幅宽 115 km 高光谱相机 光谱范围 0.40~2.50 μm 共166个波段 空间分辨率 30 m 光谱分辨率 可见光近红外 10 nm 短波红外 20 nm 幅宽 60 km
Table 2. Comparative remote sensing data source combination table
View tableView in ArticleTable 2. Comparative remote sensing data source combination table
类型 数据源 数据接收时间 多光谱波段空间分辨率/m 多光谱数据 Sentinel-2A 2022-03-12 10 Landsat-9 OLI2 2022-03-20 30 GF-1 WFV3 2022-03-20 16 高光谱数据 ZY-1 02D AHSI 2021-04-24 30 GF-5 AHSI 2020-01-22 30
Table 3. Statistical table of NDVI value of different remote sensing data
View tableView in ArticleTable 3. Statistical table of NDVI value of different remote sensing data
卫星影像 NDVI 平均值 最小值 最大值 ZY-1 02E VNIC 0.257 5 −0.586 6 0.801 3 Sentinel-2A 0.232 6 −0.392 0 0.776 8 Landsat-9 OLI2 0.167 7 −0.186 4 0.540 8 GF-1 WFV3 0.131 9 −0.477 8 0.696 1
Table 4. Correlation coefficient table of NDVI values of different remote sensing data
View tableView in ArticleTable 4. Correlation coefficient table of NDVI values of different remote sensing data
相关系数 ZY-1 02E VNIC Sentinel-2A Landsat-9 OLI2 GF-1 WFV3 ZY-1 02E VNIC 1 0.948 6 0.880 7 0.884 8 Sentinel-2A 0.948 6 1 0.824 3 0.821 1 Landsat-9 OLI2 0.880 7 0.824 3 1 0.890 2 GF-1 WFV3 0.884 8 0.821 1 0.890 2 1
Table 5. Precision analysis table of different classification methods
View tableView in ArticleTable 5. Precision analysis table of different classification methods
数据源 精度衡量指标 神经网络 支持向量机 马氏距离 最大似然 ZY-1 02E 整体精度/% 96.46 92.89 91.20 89.55 Kappa系数 0.95 0.90 0.87 0.85 ZY-1 02D 整体精度/% 98.38 95.67 96.50 89.10 Kappa系数 0.97 0.93 0.94 0.82
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Guanbing HU, Zhijian LIAO, Fang LIU, Wei DANG, Kun YANG. Application Evaluation of Vegetation Ecological Survey in Plateau Area of ZY-1 02E Satellite[J]. Spacecraft Recovery & Remote Sensing, 2024, 45(5): 134
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Received: Jul. 24, 2023
Accepted: --
Published Online: Nov. 13, 2024
The Author Email: LIU Fang (fangzhouyn@163.com)
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