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Iraqi Kurdistan Vehicle License Plate Recognition System based on Client-server Network

Shakhawan H. Wady, Faraidoon H. Ahmad & Hawkar O. Ahmed

Department of Mathematics, School of Science Education, University of Sulaimani, Iraq
School of Pharmacy, Faculty of Medical Sciences, University of Sulaimani, Iraq
Department of Statistic & Computing, College of Commerce, University of Sulaimani, Iraq



Vehicle license plate recognition (VLPR) system has a wide range of applications in real life, such as parking lots, private and public entrances, theft and border control. This paper presents a system overview of client-server license plate recognition system for vehicles in Kurdistan Region of Iraq besides, the vehicle type and city in each plate is identified. The client/server model consist of two components called client-side and server-side. The images are provided by the client side and will be sent over the server to be processed. The process of license plate recognition is done in the server side with the integration with the Matlab software. The proposed recognition system is developed based on digital images and the main component of the system consist of: preprocessing, license plate detection, segmentation and recognition process. A preprocessing step using image enhancement, filtering, and adaptive thresholding is employed. For localizing and extracting the license plate region, Haar wavelet transformation and edge detection algorithm are used. license plate number segmentation is carried out using bounding box based morphological operations and finally color histogram technique and correlation coefficient based similarity measurement are used for recognition task. The experimental results show that our proposed system for the license plate detection and recognition process have obviously higher recognition accuracy rate.

Key Words: 
License plate detection; Character recognition, Client-server network, Edge detection, Haar Transform, Bounding box, Correlation, Color histogram


[1] Pushpendra S. C., and V. K. Govindan, "Localization of License Plate using Characteristics of Alphanumeric Characters", International Journal of Computer Science and Information Technologies, Vol. 5, No. 3, pp. 3407-3409. (2014).

[2] Veena M.N, Arpitha K.S., and Vasudev T., "Performance evaluation of different automatic seed point generation techniques for segmentation of indian vehicle number plate", International Journal of Computer Engineering and Technology (IJCET), Vol. 6, Issue 5, pp. 36-46. (2015).

[3] Abbas M. Ali, Shareef M. Shareef, and Tarik A. Rashid, "Automatic License Plate Recognition in Kurdistan Region of Iraq (KRI)", JZS Vol. 17, No. 3. (Part-A). (2015).

[4] Majida Ali Abed and Hamid A. Abed Alasadi, "New hybrid SVMS-BCOA architecture for Iraqi vehicles license plate recognition", European Journal of Computer Science and Information System, Vol.3, No.1, pp.73-86, (2015).

[5] Lajish V. L, Sunil Kumar Kopparapu, "Mobile Phone Based Vehicle License Plate Recognition for Road Policing", (2015).

[6] Jan Frigo, Vinod Kulathumaniy, Sean Brennan, Ed Rostenz, Eric Raby, "Sensor network based vehicle classification and license plate identification system", IEEE INSS 2009, Pittsburgh,PA, (2009).

[7] Nada N. Kamal and Loay E. George, "A Localization System for Car License Plate", International Journal of Scientific & Engineering Research, Vol. 4, Issue 6. (2013).

[8] M. Sarfraz, M. J. Ahmed, and S. A. Ghazi, "Saudi Arabian license plate recognition system", in Proc. of International Conference on Geometric Modeling and Graphics, pp. 36-41. (2003).

[9] Pujianto Y., Samuel L., Sutrisno, and Dion K., "Recognition of Indonesian Vehicle Registration Plate by Discrete Cosine Transform and Radial Basis Function Network", International Journal of Information and Electronics Engineering, Vol. 5, No. 4. (2015).

[10] Musab M. Bagabir, Siti Mariyam S., Mohammed E., Ali Ahmed, "Multi Objective Segmentation for Vehicle License Plate Detection with Immune-based Classifier: A General Framework", International Journal of Computer Applications Technology and Research, Vol. 4, Issue 4, pp. 322 - 326, (2015).

[11] P. Anishiya, and Mary J., "Number Plate Recognition for Indian Cars Using Morphological Dilation and Erosion with the Aid of OCRs", International Conference on Information and Network Technology IPCSIT Vol.4, IACSIT Press, Singapore, (2011).

[12] Dhawal Wazalwar, Erdal Oruklu, Jafar Saniie, "A Design Flow for Robust License Plate Localization and Recognition in Complex Scenes", Journal of Transportation Technologies, Vol. 2, pp. 13-21, (2012).