International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Open Access | Double Blind Reviewed

ISSN: 2319-7064


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Research Paper | Electronics & Communication Engineering | China | Volume 2 Issue 12, December 2013


An Improved Method for Tanzania Number Plate Location and Segmentation Based on Mathematical Morphology and Regional Features of an Image

Isack Bulugu [3] | Pei Zhijun [3]


Abstract: In the Automatic Number Plate Recognition System (ANPR), Plate Number Location and Character segmentation are very important parts of an ANPR system before Recognition part. In this paper, plate number localization and character segmentation using mathematical morphological approach and regional features of images are discussed from the proposed ANPR system of vehicles in Tanzania. The proposed algorithm consists of three main modules: Pre-processing (cutting and resizing, convert RGB image to grayscale image, image binarization use Otsu method), Finding Region of Interest (morphology opening to remove noises & dilation operation, measure properties of image regions to find candidates), License plate exactly location (finding the LP angle & rotating LP, cut exactly LP region). The Character segmentation also consist three parts: Eliminate incrimination of the binary using boundary features, removes impurities using regional features and morphological process, and divide character into sub-images. The results show an average of 98 % successful plate number localization and segmentation for proposed ANPR system in a total of 200 images captured from a complex outdoor environment in Tanzania. Implementation was done using MATLAB Version 7.11.0 (R2010b).


Keywords: Automatic number plate recognition ANPR, Plate number location, Character segmentation, MATLAB


Edition: Volume 2 Issue 12, December 2013,


Pages: 14 - 18


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How to Cite this Article?

Isack Bulugu, Pei Zhijun, "An Improved Method for Tanzania Number Plate Location and Segmentation Based on Mathematical Morphology and Regional Features of an Image", International Journal of Science and Research (IJSR), Volume 2 Issue 12, December 2013, pp. 14-18, https://www.ijsr.net/get_abstract.php?paper_id=28111301

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