In this paper, we present a novel technique to estimate vehicle speed on highway using stereo images. First, traffic images are captured using calibrated and synchronized stereo cameras, then we detect moving vehicles on the left image by subtracting the background image. On each detected vehicle, we extract and match Speed Up Robust Features (SURF) in order to compute sparse depth maps. Finally, we get vehicle speed from vehicle depth variation using some geometric derivations. The experiments shows that the proposed algorithm has a satisfactory estimation of vehicle speed comparing to GPS ground truth with a speed error of 2 Km/h in the Moroccan environment.
Vehicle speed estimation using extracted SURF features from stereo images
2018-04-01
340574 byte
Conference paper
Electronic Resource
English
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