4.4 Article

Colour assessment of milk and milk products using computer vision system and colorimeter

Journal

INTERNATIONAL DAIRY JOURNAL
Volume 120, Issue -, Pages -

Publisher

ELSEVIER SCI LTD
DOI: 10.1016/j.idairyj.2021.105084

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Funding

  1. Ministry of Education, Science and Technological development of the Republic of Serbia
  2. Science Fund of the Republic of Serbia

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The study compared a computer vision system (CVS) and a colorimeter for measuring the color of different milks and milk products. Results showed that CVS-generated colors were more similar to actual sample colors than colorimeter-generated colors.
A computer vision system (CVS) and a colorimeter were compared for their abilities to measure the colour of twenty-seven different milks and milk products. The frequency of similarity test showed that CVS-generated colour chips were similar to the actual sample colour in all trials (10 0%). The CVSobtained colours were found to be more similar to the colour of sample visualised on the monitor, compared with colorimeter-generated colour chips, with values of 83.3-10 0.0% depending on the milk product. The third test showed that there was difference between colour measured by CVS and the colorimeter; colorimeter readings resulted in a darker and yellower colour based on average L*a*b* values, while CVS readings resulted in lighter and less yellow appearance. Compared with a colorimeter, measuring colour by CVS was, therefore, found to be reliable and should be considered as a superior tool for replacing traditional devices by offering improved representativeness and accuracy. (c) 2021 Elsevier Ltd. All rights reserved.

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