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Discusses equipment which can optically sense moving vehicles, and discriminate their sizes. Based on a conceptual consideration on size discrimination, a hardware implementation using a SnO2-Si photocell array and simple electronic circuits is made. The developed equipment can separately count three sizes of moving vehicles along a road.
Instrumentation and Measurement, IEEE Transactions on (Volume:IM-25 , Issue: 1 )
Date of Publication: March 1976