苹果叶片氮含量高光谱反演方法对比
|
|
杨福芹,冯海宽,李振海,潘洁晨,谢瑞
|
Comparison of Hyperspectral Remote Sensing Inversion Methods for Apple Leaf Nitrogen Content
|
|
Fuqin Yang,Haikuan Feng,Zhenhai Li,Jiechen Pan,Rui Xie
|
|
表8 光谱指数与叶片氮含量灰色关联分析顺序
|
Table 8 Sequence of correlation between spectral index and LNC with GRA
|
|
| 光谱指数 | 灰色关联 | 排序 | 光谱指数 | 灰色关联 | 排序 |
|---|
| g/Ro | 0.907 | 1 | SDr | 0.830 | 14 | | NDSI（567,615） | 0.905 | 2 | Dr | 0.828 | 15 | | RSI（554,615） | 0.900 | 3 | λb | 0.824 | 16 | (Rg-Ro)/ (Rg+Ro) | 0.898 | 4 | λg | 0.823 | 17 | | D708 | 0.897 | 5 | λy | 0.822 | 18 | | D559 | 0.881 | 6 | λr | 0.820 | 19 | | Rg | 0.879 | 7 | D527 | 0.813 | 20 | | R553 | 0.878 | 8 | (SDr-SDb)/ (SDr+SDb) | 0.800 | 21 | | R724 | 0.873 | 9 | Ro | 0.781 | 22 | | SDy | 0.859 | 10 | Dy | 0.717 | 23 | | SDb | 0.846 | 11 | SDr/SDb | 0.716 | 24 | (SDr-SDy)/ (SDr+SDy) | 0.844 | 12 | SDr/SDy | 0.708 | 25 | | Db | 0.842 | 13 | | | |
|
|
|