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Video Detection and Ranging (VIDAR) Speed Measurement



Video Detection and Ranging (VIDAR) Speed Measurement

The Video Detection and Ranging (VIDAR) technique measures the speed of vehicles through stereoscopic vision.

By means of two high-speed cameras and the super computing capabilities of FPGA processors, it is possible to measure the speed of every vehicle with an error under 1%, up to 250 km/h. The VIDARCam 3D captures and tracks the license plate of every vehicle to measure their instantaneous speed. Therefore, the speed measurement is intrinsically linked to the license plate (vehicles) movement, and there is no confusion of the over speed target when there are several vehicles on the field of view.

The four basic steps to measure speed with stereoscopic vision are:

1. Capture over 250 images per second.

2. Analyze all the images in real time.

3. Detect 3D position of the license plate.

4. Measure the speed of the license plate.

Passive Speed Measurement

Unlike RADAR or LASER, VIDAR uses video analysis to measure the speed of vehicles and does not emit any radiation.  As it does not emit any radiation, VIDAR is a not detectable by speed measurement countermeasures.

Multi-Vehicle Speed Measurement

VIDAR measures the speed of every plate in the scene. Therefore, it can measure multiple vehicles simultaneously, with no target confusion.

Error 1%:

Speed measurement with high precision, just 1% deviation up to 250 kph (155 MPH).

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