Chinese Agricultural Science Bulletin ›› 2023, Vol. 39 ›› Issue (4): 149-153.doi: 10.11924/j.issn.1000-6850.casb2022-0176
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TIAN Ting1(), ZHANG Qing1, XU Wen2
Received:
2022-03-15
Revised:
2022-07-20
Online:
2023-02-05
Published:
2023-01-31
TIAN Ting, ZHANG Qing, XU Wen. Prediction of Rice Canopy SPAD Value Based on UAV Multispectral Images[J]. Chinese Agricultural Science Bulletin, 2023, 39(4): 149-153.
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URL: https://www.casb.org.cn/EN/10.11924/j.issn.1000-6850.casb2022-0176
植被指数 | 计算公式或定义 | 文献 |
---|---|---|
归一化植被指数(NDVI) | [ | |
绿色归一化植被指数(GNDVI) | [ | |
比值植被指数(RVI) | [ | |
土壤调节植被指数(SAVI) | L=0.5 | [ |
绿色叶绿素指数(CIGreen) | [ | |
红边叶绿素指数(CIRededge) | [ | |
修正叶绿素吸收指数(MCARI) | [ |
植被指数 | 计算公式或定义 | 文献 |
---|---|---|
归一化植被指数(NDVI) | [ | |
绿色归一化植被指数(GNDVI) | [ | |
比值植被指数(RVI) | [ | |
土壤调节植被指数(SAVI) | L=0.5 | [ |
绿色叶绿素指数(CIGreen) | [ | |
红边叶绿素指数(CIRededge) | [ | |
修正叶绿素吸收指数(MCARI) | [ |
植被指数 | 拔节期 | 抽穗期 | 乳熟期 |
---|---|---|---|
NDVI | 0.680** | 0.755** | 0.836** |
GNDVI | 0.685** | 0.782** | 0.838** |
RVI | 0.606** | 0.754** | 0.791** |
SAVI | 0.600** | 0.368 | 0.677** |
CIGreen | 0.613** | 0.791** | 0.826** |
CIRededge | 0.630** | 0.310 | 0.864** |
MCARI | 0.452* | 0.272 | 0.522** |
植被指数 | 拔节期 | 抽穗期 | 乳熟期 |
---|---|---|---|
NDVI | 0.680** | 0.755** | 0.836** |
GNDVI | 0.685** | 0.782** | 0.838** |
RVI | 0.606** | 0.754** | 0.791** |
SAVI | 0.600** | 0.368 | 0.677** |
CIGreen | 0.613** | 0.791** | 0.826** |
CIRededge | 0.630** | 0.310 | 0.864** |
MCARI | 0.452* | 0.272 | 0.522** |
生育期 | 类型 | 模型 | R2 | RMSE |
---|---|---|---|---|
拔节期 | 一元线性回归 | y=6.698+44.174GNDVI | 0.51 | 1.615 |
多元线性回归 | y=-73.683-102.534NDVI+254.286GNDVI-0.794RVI+56.845SAVI-2.323CIGreen+2.464CIRededge | 0.65 | 1.657 | |
偏最小二乘回归 | y=34.01428+1.1030GNDVI+0.8581NDVI+6.2888CIRededge | 0.44 | 1.636 | |
抽穗期 | 一元线性回归 | y=31.278+1.184CIGreen | 0.68 | 1.005 |
多元线性回归 | y=-108.744+296.452NDVI-163.978GNDVI-1.570RVI+5.596CIGreen | 0.75 | 0.986 | |
偏最小二乘回归 | y=31.24788+1.1831CIGreen+0.0277GNDVI+0.0158NDVI | 0.68 | 0.948 | |
乳熟期 | 一元线性回归 | y=18.225+33.273CIRededge | 0.79 | 2.558 |
多元线性回归 | y=-136.185+140.624NDVI+231.001GNDVI+1.137RVI-181.482SAVI-2.093CIGreen-24.218CIRededge | 0.92 | 1.926 | |
偏最小二乘回归 | y=8.00065+29.0085CIRededge+7.9596GNDVI+8.3624NDVI | 0.79 | 2.368 |
生育期 | 类型 | 模型 | R2 | RMSE |
---|---|---|---|---|
拔节期 | 一元线性回归 | y=6.698+44.174GNDVI | 0.51 | 1.615 |
多元线性回归 | y=-73.683-102.534NDVI+254.286GNDVI-0.794RVI+56.845SAVI-2.323CIGreen+2.464CIRededge | 0.65 | 1.657 | |
偏最小二乘回归 | y=34.01428+1.1030GNDVI+0.8581NDVI+6.2888CIRededge | 0.44 | 1.636 | |
抽穗期 | 一元线性回归 | y=31.278+1.184CIGreen | 0.68 | 1.005 |
多元线性回归 | y=-108.744+296.452NDVI-163.978GNDVI-1.570RVI+5.596CIGreen | 0.75 | 0.986 | |
偏最小二乘回归 | y=31.24788+1.1831CIGreen+0.0277GNDVI+0.0158NDVI | 0.68 | 0.948 | |
乳熟期 | 一元线性回归 | y=18.225+33.273CIRededge | 0.79 | 2.558 |
多元线性回归 | y=-136.185+140.624NDVI+231.001GNDVI+1.137RVI-181.482SAVI-2.093CIGreen-24.218CIRededge | 0.92 | 1.926 | |
偏最小二乘回归 | y=8.00065+29.0085CIRededge+7.9596GNDVI+8.3624NDVI | 0.79 | 2.368 |
生育期 | 模型类型 | 验证结果 | |
---|---|---|---|
R2 | RMSE | ||
拔节期 | 一元线性回归 | 0.38 | 1.5686 |
多元线性回归 | 0.34 | 1.6790 | |
偏最小二乘回归 | 0.33 | 1.6166 | |
抽穗期 | 一元线性回归 | 0.56 | 1.2256 |
多元线性回归 | 0.48 | 1.4923 | |
偏最小二乘回归 | 0.56 | 1.2254 | |
乳熟期 | 一元线性回归 | 0.61 | 2.4660 |
多元线性回归 | 0.48 | 2.8132 | |
偏最小二乘回归 | 0.59 | 2.5143 |
生育期 | 模型类型 | 验证结果 | |
---|---|---|---|
R2 | RMSE | ||
拔节期 | 一元线性回归 | 0.38 | 1.5686 |
多元线性回归 | 0.34 | 1.6790 | |
偏最小二乘回归 | 0.33 | 1.6166 | |
抽穗期 | 一元线性回归 | 0.56 | 1.2256 |
多元线性回归 | 0.48 | 1.4923 | |
偏最小二乘回归 | 0.56 | 1.2254 | |
乳熟期 | 一元线性回归 | 0.61 | 2.4660 |
多元线性回归 | 0.48 | 2.8132 | |
偏最小二乘回归 | 0.59 | 2.5143 |
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