US Patent 9697430 Method and apparatus for identifying road signs

The invention relates to a method and a device for recognizing a road sign (Hz, Zz) by means of a camera from a traveling vehicle. The method has the following steps:acquiring at least one image of the surroundings of a vehicle by means of the camera,determining the presence of at least one road sign (Hz, Zz) in the at least one acquired image of the surroundings of the vehicle,determining (also estimating) motion blur in that image segment in which the present road sign (Hz, Zz) is situated,subtracting out motion blur in this image segment, which results in a sharpened image segment, andrecognizing the road sign (Hz, Zz) while taking account of the sharpened image segment.