Towards real time assessment of intramuscular fat content in meat using optical fibre-based optical coherence tomography

12 Apr 2020  ·  Thampi Abi, Hitchman Sam, Coen Stéphane, Vanholsbeeck Frédérique ·

We consider the use of optical coherence tomography (OCT) imaging to predict the quality of meat. We find that intramuscular fat (IMF) absorbs infrared light about nine times stronger than muscle, which enables us to estimate fat content in intact meat samples... The method is made very efficient by extracting relevant information from the three-dimensional high-resolution images generated by OCT using principal component analysis (PCA). The principal components are then used as regressors into a support vector regression (SVR) prediction model. The SVR model is found to predict IMF content stably and accurately, with an R^2 value of 0.94. Our study paves the way for automated, contact-less, non-destructive, real time classification of the quality of meat samples. read more

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Applied Physics Image and Video Processing Biological Physics