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Detection of maize seed viability using time series multispectral imaging technology

文献类型： 外文期刊

作者： Meng, Jingwu 1 ; Xia, Yu 2 ; Luo, Bin 1 ; Kang, Kai 1 ; Zhang, Han 1 ;

作者机构： 1.Beijing Acad Agr & Forestry Sci, Intelligent Equipment Res Ctr, Beijing 100097, Peoples R China

2.Shaanxi Univ Sci & Technol, Sch Elect & Control Engn, Xian 710021, Shaanxi, Peoples R China

关键词： Multispectral; Time series; Ensemble learning; Stochastic subspace; Maize seed viability

期刊名称：JOURNAL OF FOOD COMPOSITION AND ANALYSIS （ 影响因子：4.6； 五年影响因子：4.6 ）

ISSN： 0889-1575

年卷期： 2025 年 147 卷

页码：

收录情况： SCI

摘要： Maize seed vigor significantly impacts seedling emergence and overall yield. Thus, accurately assessing seed viability is crucial for ensuring crop quality. This study employs multispectral imaging to capture spectral images of maize seeds during the swelling absorption process. We analyzed and compared the spectral characteristics and their trends between viability and non-viability seeds across various absorption times, specifically at 12-h intervals. To improve the identification of seed viability, we integrated spectral data collected at multiple water absorption times with spectral difference data at 12-h intervals, forming a comprehensive time-series dataset. A classification model for seed viability was developed using stochastic subspace screening in conjunction with support vector machine (SVM) techniques. The results indicate that the stochastic subspace integrated learning approach effectively classifies maize seed viability, achieving classification accuracy exceeding 90 % after 36 h of water absorption. This method enables viability detection prior to seed germination. In conclusion, the integration of stochastic subspace learning and time-series spectral data significantly improves the identification of maize seed viability, offering new insights for seed viability detection.

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