msi (1)

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Coffee bean quality is measured on a decimal scale from zero to 100, and a speciality coffee must score 80 or more. This Q-scale allows buyers to differentiate premium coffee from lower scoring ‘commodity’ coffee. Samples of raw beans are sent to three expert tasters, who prepare coffee from each batch, and score it to determine its Q score. Brazilian researchers have developed a rapid method based on MSI and AI (artifical intelligence), which can obtain a Q score avoiding human error. Although very promising, the technique requires further research as the model cannot determine whether beans score is 80 or 90, which would require further calibration with coffee beans having these Q scores. 

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