基于注意力机制的BiGRU土壤光谱全氮预测模型研究

剧伟良¹, 杨玮^1,², 宋亚美¹, 刘楠¹, 李浩¹, 李民赞^1,^2,^*

Prediction of Soil Total Nitrogen Based on NIR Spectroscopy and BiGRU Model With Attention Mechanism

JU Wei-liang¹, YANG Wei^1,², SONG Ya-mei¹, LIU Nan¹, LI Hao¹, LI Min-zan^1,^2,^*

建模结果对比图 (a): 全谱-PLSR模型; (b): 全谱-GRU模型; (c): 全谱-BiGRU模型; (d): 全谱-BiGRU-Attention; (e): CARS-PLSR模型; (f): CARS-GRU模型; (g): CARS-BiGRU模型; (h): CARS-BiGRU-Attention