Rapid vehicle logo region detection based on information theory
Computers and Electrical Engineering
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Vehicle-logo location is a crucial step in vehicle-logo recognition system. In this paper, a novel approach of the vehicle-logo location based on edge detection and morphological filter is proposed.. Firstly, the approximate location of the vehicle-logo region is determined by the prior knowledge about the position of the vehicle-logo ; Secondly, the texture measure is defined to recognize the texture of the vehicle-logo background ; Then, vertical edge detection is executed for the vehicle-logo background with the horizontal texture and horizontal edge detection is implemented for the vehicle-logo background with the vertical texture; Finally, position of the vehicle-logo is located accurately by mathematical morphology filter. Experimental results show the proposed method is effective.