A novel license plate location method based on wavelet transform and EMD analysis
文献类型:期刊论文
作者 | Yu Shouyuan; Li Baopu; Zhang Qi; Liu Changchun; Meng Max Q. H |
刊名 | PATTERN RECOGNITION
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出版日期 | 2015 |
英文摘要 | Although various license plate location methods have been proposed in the past decades, their accuracy and ability to deal with different types of license plates still need to be improved. A robust license plate location method can raise the accuracy of the whole license plate recognition procedure. This paper proposes a robust method based on wavelet transform and empirical mode decomposition (EMD) analysis to search for the location of a license plate in an image to deal with some challenging problems in practice such as illumination changes, complex background and perspective change. By applying wavelet transform on a vehicle image and projecting the acquired details of the image, a wave crest that indicates the license plate will be generated. In order to locate the desired wave crest in the nonlinear and non-stationary projection dataset, EMD analysis is applied. Using the reconstructed projection data and the Hilbert transform of intrinsic mode function components, the position of the license plate is detected. Comprehensive experiments show that this method can locate the positions of various types of license plates with a high accuracy of 97.91% and a relatively short running time. (C) 2014 Elsevier Ltd. All rights reserved. |
收录类别 | SCI |
原文出处 | www.sciencedirect.com/science/article/pii/S0031320314002866 |
语种 | 英语 |
源URL | [http://ir.siat.ac.cn:8080/handle/172644/6601] ![]() |
专题 | 深圳先进技术研究院_集成所 |
作者单位 | PATTERN RECOGNITION |
推荐引用方式 GB/T 7714 | Yu Shouyuan,Li Baopu,Zhang Qi,et al. A novel license plate location method based on wavelet transform and EMD analysis[J]. PATTERN RECOGNITION,2015. |
APA | Yu Shouyuan,Li Baopu,Zhang Qi,Liu Changchun,&Meng Max Q. H.(2015).A novel license plate location method based on wavelet transform and EMD analysis.PATTERN RECOGNITION. |
MLA | Yu Shouyuan,et al."A novel license plate location method based on wavelet transform and EMD analysis".PATTERN RECOGNITION (2015). |
入库方式: OAI收割
来源:深圳先进技术研究院
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