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摘要

January Online Cover: Hyperspectral imaging system, region of interest extraction, and hyperspectral data acquisition; spectra; feature wavelengths selected by variational mode decomposition and regression coefficients; and optimization γ and σ2 of least squares support vector machine model based on feature wavelengths selected by variational mode decomposition and regression coefficients algorithm using grid search method, from “Nondestructive detection of total soluble solids in grapes using VMD‐RC and hyperspectral imaging” by Min Xu, Jun Sun, Kunshan Yao, Xiaohong Wu, Jifeng Shen, Yan Cao, and Xin Zhou. p. 326–338.