Study of Spinyhead Croaker ( Collichthys lucidus ) Fat Content Forecasting Model Based on Electronic Nose and Non-linear
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Study of Spinyhead Croaker (Collichthys lucidus) Fat Content Forecasting Model Based on Electronic Nose and Non-linear Data Resolution Model Haonan Zheng 1 & Siyang Wang 1 & Xinyi Ping 1 & Chenning Shao 1 & Huimin Zhou 1 & Bin Xiang 1 & Jian Li 1 & Xiongwei Lou 1 & Xiaomei Yi 1 & Hui Guohua 1 Received: 29 January 2019 / Accepted: 10 April 2019 / Published online: 27 May 2019 # Springer Science+Business Media, LLC, part of Springer Nature 2019
Abstract In this paper, spinyhead croaker (Collichthys lucidus) fat content forecasting model using electronic nose (e-nose) and non-linear stochastic resonance (SR) has been studied. Spinyhead croaker samples are stored at 4 °C temperature. Physical/chemical indexes (firmness, total volatile basic nitrogen (TVB-N), pH, and fat content) are examined to provide quality references for e-nose. Enose responses are treated by principal component analysis (PCA), bistable SR, and double-layered cascaded serial SR (DCSSR). SR and DCSSR SNR maximal (SNR-Max) values discriminate croakers clearly. Multi-variables regressions (MVR) are conducted between physical/chemical indexes and SR/DCSSR SNR-Max values. MVR results demonstrate that DCSSR feature values have more significant linearity relation with physical/chemical indexes. Spinyhead croaker fat content forecasting model is developed via linear fitting regression on SR SNR-Max values. Validating experimental results demonstrate that the developed model has good accuracy. Keywords Spinyhead croaker . Electronic nose . Fat content prediction . Double-layered serial stochastic resonance . Multi-variables regression
Introduction Spinyhead croaker (Collichthys lucidus, Richardson) is a small-sized, benthic, and economical sciaenid species in the family Sciaenidae distributed along the inshore waters of China (Cheng et al. 2011). It is one of the important aquatic products in Zhoushan district. Spinyhead croaker is delicious and contains abundant nutrition. The annual output is nearly 20,000 tons. However, they are of low economic value due to their smaller size. So, spinyhead croaker is mainly for fresh sales, but its price is about less than 10 RMB per kg. For commercial usages, spinyhead croaker is usually processed into snack foods, such as dried fish and filet. At present, there are over 10 croaker snack foods manufacturing enterprises in
* Hui Guohua [email protected] 1
School of Information Engineering, Key Laboratory of Forestry Sensing Technology and Intelligent Equipment of Department of Forestry, Key Laboratory of Forestry Intelligent Monitoring and Information Technology of Zhejiang Province, Zhejiang A & F University, Linan 311300, People’s Republic of China
Zhoushan district. The annual output of snack foods is about 5500 tons, and output value is about 220 million RMB, which is one of the signature products of Zhoushan sea snack foods. However, there is one critical technical problem in the development of snack foods made from trash fishes (especially for spinyhead croaker). Due to the difference in fat content of spinyh
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