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http://dx.doi.org/10.7471/ikeee.2014.18.4.471

A Study On Low-cost LPR(License Plate Recognition) System Based On Smart Cam System using Android  

Lee, Hee-Yeol (Department of Electronics&Control Engineering, Hanbat National University)
Lee, Seung-Ho (Department of Electronics&Control Engineering, Hanbat National University)
Publication Information
Journal of IKEEE / v.18, no.4, 2014 , pp. 471-477 More about this Journal
Abstract
In this paper, we propose a low-cost license plate recognition system based on smart cam system using Android. The proposed system consists of a portable device and server. Potable device Hardware consists of ARM Cortex-A9 (S5PV210) processor control unit, a power supply device, wired and wireless communication, input/output unit. We develope Linux kernel and dedicated device driver for WiFi module and camera. The license plate recognition algorithm is consisted of setting candidate plates areas with canny edge detector, extracting license plate number with Labeling, recognizing with template matching, etc. The number that is recognized by the device is transmitted to the remote server via the user mobile phone, and the server re-transfer the vehicle information in the database to the portable device. To verify the utility of the proposed system, user photographs the license plate of any vehicle in the natural environment. Confirming the recognition result, the recognition rate was 95%. The proposed system was suitable for low cost portable license plate recognition device, it enabled the stability of the system when used long time by using the Android operating system.
Keywords
Android; ARM Processor; CAM Camera; LPR(License Plate Recognition); Canny Edge;
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Times Cited By KSCI : 3  (Citation Analysis)
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