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SIZE GRADING OF CORN KERNELS WITH MACHINE VISION

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  Applied Engineering in Agriculture. 14(5): 567-571. (doi: 10.13031/2013.19408) @1998
Authors:   B. Ni, M. R. Paulsen, J. F. Reid
Keywords:   Machine vision, Corn, Grading, Seed corn, Sieves, Maize, Inspection

An electronic corn kernel size grading system was developed using machine vision. Measurements of kernel length, width, and projected area were obtained independent of kernel orientation. The performance of the size-grading algorithm was compared to the results of mechanical sieving using a precision round-hole seed sizer. Average accuracy from 73.8% to 90.3% was achieved on seed corn samples that were pre-sized using precision graders.

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