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VIS-CAM Systems
2
Introduction
Figure 1.
VIS elements
1.3
System Components description
1.3.1
Traffic Light Sensor – TLS300
The JAI traffic light sensor is the driver of the VIS control network. It controls video signal parameters of each
camera to ensure high contrast images of passing vehicles and their license plates, regardless of vehicle speed,
weather or ambient light conditions.
Under the clear plastic dome of the traffic light sensor are mounted, in opposing directions, two vertical plates
and corresponding light collection staffs that protrude above a flat black base plate. The sensor measures the
ambient light reflecting off the face of both vertical plates. The design is such that when the face of one plate
is in direct sun, the other one is in shadow. These two measurements identify the range of light levels that the
camera is required to image without saturation when a vehicle and its license plate are in the camera’s field of
view (FOV). To ensure correct functionality of the TLS-300, it is very important to ensure during installation,
that the sensor’s base plate is leveled with the road surface, and that the orientation of the sensor is rotated
so that the direction from the vertical plate A to vertical plate B is the same as the direction of the traffic flow
being observed by the traffic camera (see Figure 2).
Summary of Contents for VIS-CAM System
Page 1: ...VIS CAM System Vehicle Imaging Subsystem Document Version 10436 Document P N E...
Page 2: ......
Page 12: ...VIS CAM Systems xii List of Tables...
Page 20: ...VIS CAM Systems 8 Preparing for Installation Figure 5 VIS 300 U S Camera options chart...
Page 21: ...Preparing for Installation 9 VIS CAM Systems Figure 6 VIS 350 U S Camera options chart...
Page 22: ...VIS CAM Systems 10 Preparing for Installation Figure 7 VIS 400 U S Camera options chart...
Page 23: ...Preparing for Installation 11 VIS CAM Systems Figure 8 VIS 500 U S Camera options chart...
Page 24: ...VIS CAM Systems 12 Preparing for Installation Figure 9 VIS 300 European Camera options chart...
Page 25: ...Preparing for Installation 13 VIS CAM Systems Figure 10 VIS 350 European Camera options chart...
Page 26: ...VIS CAM Systems 14 Preparing for Installation Figure 11 VIS 400 European Camera options chart...
Page 27: ...Preparing for Installation 15 VIS CAM Systems Figure 12 VIS 500 European Camera options chart...
Page 92: ...VIS CAM Systems 80 Appendix B Figure 90 Lane controller setup...
Page 100: ...VIS CAM Systems 88 Appendix E Figure 98 Operation configuration of Serial port 1...
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