From the article:
Modern Farming describes how the optical grape sorting technology works:
Each morning [the farmer] feeds 200 perfect grapes to the machine, which digitally photographs them and forms a kind of Platonic ideal of a grape. Then the sorting starts. Gobs of grapes pour in and the machine snaps a picture of each, 10,000 frames per second, comparing every one to [the farmer's) *nonpareil. Acceptable? Go on, become wine. Subpar? A quick stream of air blasts it out of the lineup and into obscurity.
(* nonpareil: having no match or equal; unrivaled.)
Source: Mark Perry, Future of Farming: The Robotic Optical Grape Sorting
System, Carp Diem/AEI Ideas, January 15, 2014
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