Browsing by Author "HSIEH JUN-WEI"

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VEHICLE LICENSE PLATE RECOGNITION METHOD AND SYSTEM THEREOF
(2012-05-03)
HSIEH JUN-WEI
;
CHEN SIN YU
A vehicle license plate recognition method and a system thereof are disclosed. A region where a vehicle license plate image exists is detected according to the edge densities of an input image and a vehicle license plate specification. A text area of the vehicle license plate image is divided into a plurality of character images. The character images are binarized to obtain a plurality of binarized character images. A plurality of characters is recognized from the binarized character images. The characters are recombined to form a character string. The abovementioned steps are repeated to obtain a new character string from another image of the same vehicle, which is captured at a next time point. The character string is compared with the new character string character by character to obtain a comparison result for verifying reliability of recognition through a voting technique.