Detection and recognition of end-of-speed-limit and supplementary signs for improved european speed limit support

Abstract : We present two new features for our prototype of European Speed Limit Support system: detection and recognition of end-of-speed-limit signs, as well as a framework for detection and recognition of supplementary signs located below main signs and modifying their scope (particular lane, class of vehicle, etc...). The end-of-speed-limit signs are globallyrecognized by a Multi-Layer Perceptron (MLP) neural network. The supplementary signs are detected by applying a rectangle-detection in a region below recognized speed-limit signs, followed by a MLP neural network recognition. A common French+German end-of-speed-limit signs recognition has been designed and successfully tested, yielding 82% detection+recognition. Results for detection and recognition of a first kind of supplementary sign (French exit-lane) are already satisfactory (78% correct detection rate), and our framework can easily be extended to handle other types of supplementary signs. To our knowledge, we are the first team presenting results on detection and recognition of supplementary signs below speed signs, which is a crucial feature for a reliable Speed Limit Support.
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https://hal.inria.fr/inria-00332037
Contributor : Fabien Moutarde <>
Submitted on : Monday, October 20, 2008 - 12:02:45 PM
Last modification on : Thursday, February 7, 2019 - 5:54:02 PM
Long-term archiving on : Monday, June 7, 2010 - 6:58:07 PM

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Omar Hamdoun, Alexandre Bargeton, Fabien Moutarde, Benazouz Bradai, Lowik Lowik Chanussot. Detection and recognition of end-of-speed-limit and supplementary signs for improved european speed limit support. 15th World Congress on Intelligen Transport Systems (ITS), Nov 2008, New York, United States. ⟨inria-00332037⟩

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