文献类型: 外文期刊
作者: Kong, Lili 1 ; Liu, Tianyuan 1 ; Qiu, Honglin 1 ; Yu, Xinna 1 ; Wang, Xianda 2 ; Huang, Zhiwei 4 ; Huang, Meizhen 1 ;
作者机构: 1.Shanghai Jiao Tong Univ, Sch Elect Informat & Elect Engn, Shanghai 200240, Peoples R China
2.Fujian Acad Agr Sci, Fruit Res Inst, Fuzhou 350013, Peoples R China
3.Shanghai Univ Engn Sci, Sch Math Phys & Stat, Shanghai 201620, Peoples R China
4.Natl Univ Singapore, Coll Design & Engn, Singapore 117576, Singapore
关键词: Raman spectroscopy; Huanglongbing; detection strategy; machine learning; early diagnosis
期刊名称:LASER PHYSICS LETTERS ( 影响因子:1.7; 五年影响因子:1.5 )
ISSN: 1612-2011
年卷期: 2024 年 21 卷 1 期
页码:
收录情况: SCI
摘要: Timely diagnosis of citrus Huanglongbing (HLB) is fundamental to suppressing disease spread and reducing economic losses. This paper explores the combination of Raman spectroscopy and machine learning for on-site, accurate and early diagnosis of citrus HLB. The tissue lesion characteristics of citrus leaves at different stages of HLB infection was explored by Raman spectroscopy, and a scientific spectral acquisition strategy was proposed. Combined with machine learning for feature extraction, modeling learning, and predictive analysis, the diagnostic accuracies of principal component analysis (PCA)-Partial least-square and PCA-support vector machine models for the prediction set were 94.07% and 95.56%, respectively. Compared with conventional random detection method, the detection strategy proposed in this paper shows higher accuracy, especially in early HLB diagnosis with significant advantages.
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