Communications: electrical – Vehicle detectors – With camera
Reexamination Certificate
2006-02-14
2006-02-14
Mullen, Jr., Thomas J. (Department: 2632)
Communications: electrical
Vehicle detectors
With camera
C701S119000, C346S018000, C348S149000
Reexamination Certificate
active
06999004
ABSTRACT:
A system and method for vehicle detection and tracking in tunnels is provided. The method comprises the steps of capturing a plurality of image frames viewing at least one traffic lane; extracting at least one feature from the plurality of image frames; detecting at least one object indicative of a vehicle from the extracted feature; and tracking the detected vehicle over time to determine the detected vehicle's velocity. The system comprising at least one image capture device for capturing a plurality of image frames viewing at least one traffic lane; and a processor adapted for extracting at least one feature from the plurality of image frames, detecting at least one object indicative of a vehicle from the extracted feature, and tracking the detected vehicle over time to determine the detected vehicle's velocity.
REFERENCES:
patent: 4173010 (1979-10-01), Hoffmann
patent: 4847772 (1989-07-01), Michalopoulos et al.
patent: 5313295 (1994-05-01), Taniguchi et al.
patent: 5406501 (1995-04-01), Florent
patent: 5847755 (1998-12-01), Wixson et al.
Comaniciu Dorin
Paragios Nikolaos
Ramesh Visvanathan
F. Chau & Associates LLC
Mullen Jr. Thomas J.
Paschburg Donald B.
Siemens Corporate Research Inc.
Walk Samuel J.
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