Abstract
This paper proposed a non-destructive method for online estimation of egg freshness based on machine vision and dynamic weighing. The machine vision system and the dynamic weighing system were developed for the measurement of egg external physical characteristic and weight. Digital signal processing was employed to denoise, analyze, and extract the effective feature information from the images and vibration signals. Then, the method of multiple linear regressions was used to build model for Haugh unit prediction using the parameters of long axis, minor axis, and weight. The performance of the predictive model using six variables was achieved, with R (correlation coefficient) of 0.8653 and RMSEP (root mean square error of prediction) of 3.7454 in prediction set. The speed of the system reaches four eggs per second for every measurement. Good consistence confirmed that the proposed method has a significant potential application in online estimation of the egg freshness.
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Acknowledgments
This work has been financially supported by the “Twelfth Five-Year" Plan key projects supported by National Science and Technology (Grant No. 2012BAD29B04-4), National Natural Science Foundation of P.R. China (Grant No. 31201451) and open foundation of agricultural product physical processing laboratory (Grant No. JAPP2013-9).
Conflict of Interest
Li Sun declares that she has no conflict of interest. Lei-ming Yuan declares that he has no conflict of interest. Jian-rong Cai declares that he has no conflict of interest. Hao Lin declares that he has no conflict of interest. Jie-wen Zhao declares that he has no conflict of interest. This article does not contain any studies with human or animal subjects.
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Sun, L., Yuan, Lm., Cai, Jr. et al. Egg Freshness on-Line Estimation Using Machine Vision and Dynamic Weighing. Food Anal. Methods 8, 922–928 (2015). https://doi.org/10.1007/s12161-014-9944-1
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DOI: https://doi.org/10.1007/s12161-014-9944-1