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Using the PROSAIL radiation transfer model and HJ-1A-HSI data to simulate the canopy reflectivity of apple trees, this study lays the foundation for the inversion of canopy parameters. Taking Qixia City of Yantai City, Shandong Province as the research area, the apple tree was taken as the research object, and the hyperspectral reflectance, LAI and sample GPS of apple canopy were measured in the field. The parameters required for the PROSAIL model were obtained by experimental methods. The model simulates the reflectivity;the HSI image data is preprocessed, and the canopy reflectivity is extracted by GPS coordinates. The PROSAIL model and the HSI image simulated reflectance were fitted to the measured apple canopy reflectivity. The decisive factor (R2) of the simulated reflectance and the measured reflectance of the PROSAIL model was 0.9944, and the relative error (RE%)was 0.1845. The HSI data simulated reflectance and measured reflectance. The coefficient of determination is 0.9714 and the relative error is 0.6202. Both have achieved good fitting effects and can be used for inversion studies of apple canopy parameters.
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篇名 Simulated Reflectance of Apple Trees in Canopy Level Based on the PROSAIL Model and HJ-1A-HSI Data
来源期刊 遥感科学:中英文版 学科 工学
关键词 APPLE TREE PROSAIL Model HJ-1A-HSI CANOPY REFLECTIVITY
年,卷(期) 2019,(1) 所属期刊栏目
研究方向 页码范围 18-26
页数 9页 分类号 TP
字数 语种
DOI
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研究主题发展历程
节点文献
APPLE
TREE
PROSAIL
Model
HJ-1A-HSI
CANOPY
REFLECTIVITY
研究起点
研究来源
研究分支
研究去脉
引文网络交叉学科
相关学者/机构
期刊影响力
遥感科学:中英文版
季刊
2329-8138
湖北省武汉市武昌区珞狮南路519号(中国
出版文献量(篇)
54
总下载数(次)
1
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0
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