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Determination of Freshness of Freshwater Fish Based on BP-ANN and Bio-impedance Characteristics

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4 Author(s)
Zhang Jun ; Key Lab. for Highway Constr. Technol. & Equip. of Minist. of Educ., Chang''an Univ., Xi''an, China ; Li XiaoYu ; Wang Wei ; Zhou Zhu

The electrical properties of fish body will change during storage; this undoubtedly provides a new method to investigate the spoilage of fish. Based on virtual instrument technology and bio-impedance analysis method, a freshwater fish bio-impedance measurement system was built to investigate the bio-impedance characteristics of freshwater fish silver carp during storage. The result indicated that the impedance and phase decreased with post-mortem time, the accuracy of using impedance and phase angle index to determine fish freshness is 88.89% and 81.49. When taking the two parameters as the input, the TVB-N value as the output to build the ANN model to predict fish freshness, the modelpsilas accuracy is 97.44%, which improves the accuracy of determination fish freshness and provides a new method to determine fish freshness.

Published in:

Intelligent Systems, 2009. GCIS '09. WRI Global Congress on  (Volume:4 )

Date of Conference:

19-21 May 2009