A Method of License Plate Chinese Character Recognition Based on Image Quality

Yu Feng Chen; Gang Yin

doi:10.4028/www.scientific.net/AMR.424-425.309

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 424-425A Method of License Plate Chinese Character...

A Method of License Plate Chinese Character Recognition Based on Image Quality

Abstract:

This paper presents a method of license plate Chinese character recognition based on image quality for improving the recognition rate of low-resolution characters in license plates. Each subset of license plate Chinese character images with the same fuzzy degree are used to construct a corresponding PCA subspace, then the projection residuals distance between the Chinese character to be recognized and each subspace in the specific subspaces which are selected by character’s fuzzy degree is calculated. The class which corresponds to the subspace with the minimum distance is the recognition result. The experimental results show that the proposed method has higher recognition rate and faster recognition speed comparing to other ones.

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Periodical:

Advanced Materials Research (Volumes 424-425)

Pages:

309-313

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.424-425.309

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Online since:

January 2012

Authors:

Yu Feng Chen, Gang Yin

Keywords:

Fuzzy Degree, PCA Subspaces, Projection Residuals Distance

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