基于红边优化植被指数的寒地水稻叶片叶绿素含量遥感反演研究

于丰华, 许童羽, 郭忠辉, 杜文, 王定康, 曹英丽

Remote sensing inversion of chlorophyll content in rice leaves in cold region based on Optimizing Red-edge Vegetation Index (ORVI)

Fenghua Yu, Tongyu Xu, Zhonghui Guo, Wen Du, Dingkang Wang, Yingli Cao

表4 叶绿素含量反演结果

Table 4 Inversion results of chlorophyll content

建模数据 建模方法 R2 RMSE ORVI 回归分析 0.726 2.68 465、507、695、705nm GA-ELM 0.709 2.94 Normalized Difference 528/587 回归分析 0.672 11.41 Simple Ratio 440/690 回归分析 0.630 8.97 Chlorophyll Absorption Ratio Index 回归分析 0.595 17.88 Modified Chlorophyll Absorption in Reflectance Index 回归分析 0.574 14.62