Deployable checkpoint system
First Claim
1. A portable system for conducting traffic surveillance at a deployable checkpoint lane, comprising:
- at least one license plate reader positioned adjacent to the checkpoint lane in a predetermined location relative to a license plate reading zone, for acquiring and interpreting images of a license plate on a vehicle transiting through the license plate reading zone, the license plate reading zone corresponding to a depth of field for the license plate reader;
at least one video camera positioned adjacent to the checkpoint lane for capturing images of the vehicle transiting through the license plate reading zone;
a trigger device positioned adjacent to the checkpoint lane for detecting the vehicle crossing a trigger line while transiting through the license plate reading zone and initiating the capture of video images of the vehicle; and
a field control unit including a processor and a data store, and cooperative with each digital and video camera, for comparing images of the license plate on the vehicle and determining which license plate characters and vehicle images to store in a vehicle record to be transmitted to an external database for processing and analysis.
3 Assignments
0 Petitions
Accused Products
Abstract
A system and method for conducting traffic surveillance at a deployable checkpoint lane. At least one license plate reader is positioned adjacent to the checkpoint lane, in a predetermined location relative to a license plate reading zone, for acquiring and interpreting images of a license plate on a vehicle transiting through the license plate reading zone. At least one video camera is positioned adjacent to the checkpoint lane for capturing images of the vehicle transiting through the license plate reading zone. A trigger device is positioned adjacent to the checkpoint lane for initiating the capture of video images of the vehicle. A field control unit including a processor and a data store, and cooperative with each digital and video camera, compares images of the license plate on the vehicle and determines which license plate characters and vehicle images to store in a vehicle record to be transmitted to an external database for processing and analysis.
15 Citations
26 Claims
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1. A portable system for conducting traffic surveillance at a deployable checkpoint lane, comprising:
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at least one license plate reader positioned adjacent to the checkpoint lane in a predetermined location relative to a license plate reading zone, for acquiring and interpreting images of a license plate on a vehicle transiting through the license plate reading zone, the license plate reading zone corresponding to a depth of field for the license plate reader; at least one video camera positioned adjacent to the checkpoint lane for capturing images of the vehicle transiting through the license plate reading zone; a trigger device positioned adjacent to the checkpoint lane for detecting the vehicle crossing a trigger line while transiting through the license plate reading zone and initiating the capture of video images of the vehicle; and a field control unit including a processor and a data store, and cooperative with each digital and video camera, for comparing images of the license plate on the vehicle and determining which license plate characters and vehicle images to store in a vehicle record to be transmitted to an external database for processing and analysis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for conducting traffic surveillance at a deployable checkpoint lane including a license plate reading zone by a portable vehicle detection and imaging system, comprising the steps of:
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acquiring and interpreting images of a license plate on a vehicle transiting through the license plate reading zone by at least one license plate reader, the license plate reading zone corresponding to a depth of field for the license plate reader; triggering a vehicle tracking system when a portable trigger device detects the presence of the vehicle crossing a trigger line while transiting through the license plate reading zone; creating a vehicle record in a data store by a processor in a field control unit; capturing images of the vehicle transiting through the license plate reading zone by at least one video camera positioned adjacent to the checkpoint lane; comparing images of the license plate on the vehicle and determining which license plate characters and vehicle images to store in the vehicle record to be transmitted to an external database for processing and analysis. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification