Developing a multispectral imaging for simultaneous prediction of freshness indicators during chemical spoilage of grass carp fish fillet
文献类型: 外文期刊
第一作者: Cheng, Jun-Hu
作者: Cheng, Jun-Hu;Sun, Da-Wen;Qu, Jia-Huan;Pu, Hong-Bin;Cheng, Jun-Hu;Sun, Da-Wen;Qu, Jia-Huan;Pu, Hong-Bin;Sun, Da-Wen;Zhang, Xiao-Chao;Song, Zhongxiang;Chen, Xinghai;Zhang, Hong
作者机构:
关键词: Multispectral imaging;Grass carp;Chemical spoilage;LS-SVM;GA;Freshness
期刊名称:JOURNAL OF FOOD ENGINEERING ( 影响因子:5.354; 五年影响因子:5.144 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: This study investigated the feasibility of developing a multispectral imaging method using key wavelengths from hyperspectral images for modeling and simultaneously predicting total volatile basic nitrogen (TVB-N), thiobarbituric acid reactive substances (TBARS) and K value in grass carp fillet during chemical spoilage. The established least-squares support vector machine (LS-SVM) and multiple linear regression (MLR) models using five successive projection algorithm (SPA)-selected and six genetic algorithm (GA)-selected wavelengths showed excellent performances for predicting TVB-N and K value with R(2)p > 0.900 and RPD > 3.000, and poor results for TBARS value prediction. The LS-SVM model using six GA-selected wavelengths showed good reliability and was considered the best for simultaneous determination of TVB-N, TBARS and K value. The distribution maps of chemical spoilage changes were generated using image processing algorithms. The results demonstrated the feasibility of developing a rapid and on-line multispectral imaging system using the feature wavelengths and chemometrics analysis. (C) 2016 Elsevier Ltd. All rights reserved.
分类号: TS2
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