A Spatiotemporal Attention-Guided Graph Neural Network for Precise Hyperspectral Estimation of Corn Nitrogen Content

A Spatiotemporal Attention-Guided Graph Neural Network for Precise Hyperspectral Estimation of Corn Nitrogen Content

A hyperspectral maize nitrogen content prediction model is proposed, integrating a dynamic spectral–spatiotemporal attention mechanism with a graph neural network, with the aim of enhancing the accuracy and stability of nitrogen estimation. Across multiple experiments, the proposed method achieved o...

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Bibliographic Details
Main Authors: Feiyu Lu, Boming Zhang, Yifei Hou, Xiao Xiong, Chaoran Dong, Wenbo Lu, Liangxue Li, Chunli Lv
Format: Article
Language:English
Published: MDPI AG 2025-04-01
Series:Agronomy
Subjects:
hyperspectral imaging
corn nitrogen content estimation
spatiotemporal attention
graph neural networks
Online Access:https://www.mdpi.com/2073-4395/15/5/1041
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