NASA NTRS · 19780017591
Wide area detection system: Conceptual design study
Abstract
An integrated sensor for traffic surveillance on mainline sections of urban freeways is described. Applicable imaging and processor technology is surveyed and the functional requirements for the sensors and the conceptual design of the breadboard sensors are given. Parameters measured by the sensors include lane density, speed, and volume. The freeway image is also used for incident diagnosis.
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Hilbert, E. E., Carl, C., Goss, W., Hansen, G. R., Olsasky, M. J., Johnston, A. R.. 1978-02-01. Wide area detection system: Conceptual design study. https://ntrs.nasa.gov/citations/19780017591
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