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Wide area detection system: Conceptual design studyAn 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.
Document ID
19780017591
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Hilbert, E. E. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Carl, C. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Goss, W. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Hansen, G. R. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Olsasky, M. J. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Johnston, A. R. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
September 3, 2013
Publication Date
February 1, 1978
Subject Category
Energy Production And Conversion
Report/Patent Number
FHWA-RD-77-86
NASA-CR-157170
JPL-PUB-78-32
Report Number: FHWA-RD-77-86
Report Number: NASA-CR-157170
Report Number: JPL-PUB-78-32
Accession Number
78N25534
Funding Number(s)
CONTRACT_GRANT: NAS7-100
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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