B - Operations – Transporting – 07 – C
Patent
B - Operations, Transporting
07
C
B07C 5/342 (2006.01) A22C 25/04 (2006.01) B07C 5/10 (2006.01) B07C 5/12 (2006.01)
Patent
CA 2147602
A fish sortring apparatus comprising a conveyor belt (1) for carrying one or more rows of fish parallel to its direction of travel, a means (4) for illuminating the fish, a colour video camera (3), a video memory having a number of storage areas connect- ed to the video camera (3), a means for storing the camera derived image values of a fish from the one or more rows in a storage area of the memory, a means for determining edge values of the image and storing them, a means for using the stored edge values to generate shape descriptors the values of which are stored and compared with those already in the memory or the logic of a computer processor (10) associated therewith, and a means for determining the colour and/or light intensity of predetermined areas within the image periphery and storing and comparing values therefor with those stored in the memory. The descriptors are subject to descriminant analysis whereby a signal is generated corresponding to the score derived from the analysis such that fish on the conveyor are deflected into a desired reception area.
Fetherstonhaugh & Co.
The Minister Of Agriculture Fisheries And Food In Her Britannic
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