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作者:

Zhao, Tianxue (Zhao, Tianxue.) | Sun, Guangmin (Sun, Guangmin.) (学者:孙光民) | Zhang, Cheng (Zhang, Cheng.) | Chen, Deming (Chen, Deming.)

收录:

CPCI-S

摘要:

This paper adopts combination of DWT and neural network methods to locate the text region. After analyzing the characteristic of video text, the feature of kurtosis is first used in the field of text extraction, which improves the locating accuracy considerably. The OCR accuracy is also improved by using the Shannon interpolation method and Niblack adaptive thresholding method to enhance the video text extracted. Experiments show the methods mentioned above improve the locating accuracy to about 90.4% and the OCR accuracy to about 85.1%.

关键词:

DWT improved Niblack adaptive thresholding kurtosis RBF Shannon interpolation

作者机构:

  • [ 1 ] [Zhao, Tianxue]Beijing Univ Technol, Dept Elect Engn, Beijing 100022, Peoples R China
  • [ 2 ] [Sun, Guangmin]Beijing Univ Technol, Dept Elect Engn, Beijing 100022, Peoples R China
  • [ 3 ] [Zhang, Cheng]Beijing Univ Technol, Dept Elect Engn, Beijing 100022, Peoples R China
  • [ 4 ] [Chen, Deming]Beijing Univ Technol, Dept Elect Engn, Beijing 100022, Peoples R China

通讯作者信息:

  • [Zhao, Tianxue]Beijing Univ Technol, Dept Elect Engn, Beijing 100022, Peoples R China

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来源 :

2008 IEEE INTERNATIONAL SYMPOSIUM ON INDUSTRIAL ELECTRONICS, VOLS 1-5

年份: 2008

页码: 865-868

语种: 英文

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