Affiliation:
1. DATANG MOBILE COMMUNICATIONS EQUIPMENT CO., LTD.,
2. Fujitsu R&D Center CO., LTD.
3. DATANG MOBILE COMMUNICATIONS EQUIPMENT CO.,LTD.
Abstract
In traditional way, the segmentation of image is conducted by simple technology of image processing, which cannot be operated automatically. In this paper, we present a kind of classification method to find the boundary area to segment character image. Referring to sample points and sample areas, the essential segmentation information is extracted. By merging different formats of image transformation, including rotation, erosion and dilation, more features are used to train and test the segmentation model. Parameter tuning is also proposed to optimize the model for promotion. By the means of cross validation, the basic training model and parameter tuning are integrated in iteration way. The comparison results show that the best precision and recall can up to 97.84% in precision and 94.09% in recall.
Publisher
Trans Tech Publications, Ltd.
Reference12 articles.
1. S. Zhang, M. Zhang and X. Ye, Car Plate Character Extraction under Complicated Environment, in Proceedings of 2004 IEEE International Conference on Systems, Man and Cybernetics, 2004, pp.4722-4726.
2. S. Nomura, K. Yamanaka, O. Katai, H. Kawakami, and T. Shiose, A Novel Adaptive Morphological Approach for Degraded Character Image Segmentation, Pattern Recognition, vol. 38, no. 11, 2005, p.1961-(1975).
3. Y. Zhang and C. Zhang, A New Algorithm for Character Segmentation of License Plate, in Proceedings of International Conference on Intelligence Transportation System, 2003, pp.106-109.
4. X. Shi, W. Zhao and Y. Shen, Automatic License Plate Recognition System Based on Color Image Processing, Computational Science and Its Applications-ICCSA 2005, vol. 3483, 2005, pp.1159-1168.
5. C. Gu and W. Ge, Character Recognition Based on Template Matching Method, Communications Technology, vol. 3, 2009, pp.220-222.