Optics: measuring and testing – By shade or color
Patent
1992-12-17
1996-01-30
McGraw, Vincent P.
Optics: measuring and testing
By shade or color
348 89, 209587, G01J 346
Patent
active
054884799
ABSTRACT:
The present invention is directed to a device and method for analysis of peanut pods in a machine vision system. A method of classification of the pods is based on a maturity class system wherein various colors of the pod determine its maturity and therefore its approximate harvest time. The machine vision system permits quick scanning of the entire surface area of the peanut pod to be scanned and an analysis of its maturity can then be based on the overall view of the pod. The device and process utilize the views of the peanut pod, as determined by the camera imaging system so as to compare the images with maturity classes relating to color of the pod and, therefore, a determination of ripeness and of harvestability of the peanut crop.
REFERENCES:
patent: 3762822 (1973-10-01), Harvey et al.
patent: 5060290 (1991-10-01), Kelly et al.
patent: 5164795 (1992-11-01), Conway
patent: 5195417 (1993-03-01), Hancock et al.
E. Jay Williams et al, "A 3D Vision System for Peanut Pod Maturity", Optics in Agriculture, 7-8 Nov. 1990, Boston, Massachusetts, SPIE vol. 1379, pp. 236-245.
E. Jay Williams et al, "A Non-Destructive Method for Determining Peanut Pod Maturity", Peanut Science (1981), pp. 134-141.
Adams Stephen D.
Williams Earl J.
Fado John D.
Hantis K. P.
McGraw Vincent P.
Poulos Gail E.
Silverstein M. Howard
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