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Video detection and ranging
Technique to measure the speed or other information of a distant vehicle
Technique to measure the speed or other information of a distant vehicle
Video detection and ranging (VIDAR) is a technique to measure the speed or other information of a distant vehicle using advanced stereoscopic imaging techniques. VIDAR technology has application in remote sensing, traffic enforcement.
Applications
Military and law enforcement
One situation where VIDAR has notable non-scientific application is in traffic speed enforcement, for vehicle speed measurement, as a technology alternative to radar guns and LIDAR. The technology for this application can be mounted in a gantry or roadside pole.
Unlike RADAR which relies on doppler shifts to directly measure speed or LIDAR which relies on the principle of time-of-flight to calculate speed, VIDAR measures the speed of vehicles by means of tracking an object through vision cameras. High precision speed measurement can be achieved if stereoscopic vision techniques are used.
References
References
- "Video speed detection system".
This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.
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