Research Article Open Access

An Effective Method for the Recognition and Verification of Bangladeshi Vehicle Digital Number Plates

Md. Ashraful Islam1 and Ahsan Habib1
  • 1 Shahjalal University of Science and Technology, Bangladesh

Abstract

In this study, an effective and automatic technique has been proposed to detect, recognize and verify Bangladeshi number plates. There are four steps in the proposed method: Pre-processing, extraction and segmentation, recognition and verification of the number plate. Image contrast-enhancing and tilt correction techniques are used in the proposed method. Different techniques like edge detection, morphological operations, bounding box method and connected component analysis are used for the extraction and segmentation of number plates and their characters. The template matching method is used for recognizing the characters. The authentication and verification process for a vehicle is the distinctive feature of the proposed method. We have developed a dataset of 500 Bangladeshi number plate images for our research. A rich template dataset and a cloud database containing vehicle details have also been developed for number plate character recognition and vehicle verification purposes, respectively. The proposed method achieves detection, extraction, segmentation and recognition accuracies of 96.8, 94.8, 98.3 and 97.6%, respectively. It is observed that the proposed technique outperformed many other existing techniques.

Journal of Computer Science
Volume 17 No. 11, 2021, 1059-1070

DOI: https://doi.org/10.3844/jcssp.2021.1059.1070

Submitted On: 23 August 2021 Published On: 20 November 2021

How to Cite: Islam, M. A. & Habib, A. (2021). An Effective Method for the Recognition and Verification of Bangladeshi Vehicle Digital Number Plates. Journal of Computer Science, 17(11), 1059-1070. https://doi.org/10.3844/jcssp.2021.1059.1070

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Keywords

  • Image Processing
  • Template Matching
  • Character Recognition
  • Cloud Database
  • Radon Transformation