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光谱聚类分析:在 VISNIR 和 SWIR 区域区分草 - 草本植物根系及活 - 死 ...
这表明 SWIR 数据在区分根系和土壤方面更具潜力。 草与草本植物细根的光谱差异:在 VISNIR 区域,Alopecurus pratensis 和 Urtica dioica 的光谱重叠严重,K-means 聚类的 MCC 值较低(0.27 - 0.36),监督模型中 DRF 和 GLM 表现较好,但不同方法确定的关键波段在活根和死根中有 ...
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