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Home > Archive>Volume 12, Issue 8, 2001 >1229-1235
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Design of a New Color Edge Detector for Text Extraction Under Complex Background
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    Abstract:

    In this paper, a new color edge detector ColorRoberts is presented after analyzing the status of current color edge detection methods and the social requirement to text extraction under complex background. ColorRoberts operates on the whole color space RGB. For text extraction under complex background, it shows that ColorRoberts is better than those classical edge detectors. The detected text edges are clear, integrated and easy to separated form the background.

    Reference
    [1] Weeks, A. R. , Felix, C. E. , Myler, H.R. Edge detection of color images using the HSL color space. In: Dougherty, E. R. , ed. Proceedings of the SPIE 2424--Nonlinear Image Processing VI. San Jose, CA: SPIE, 1995. 291～297.
    [2] Meng, Zhang-rong. The requirement analysis on selections among various color models. Journal of Image and Graphics, 1996,1(3) :238～241 (in Chinese).
    [3] Gauch, J. , Hsia, C-W. A comparison of three color image segmentation algorithms in four color spaces. In: Maragos, P. ,ed. Proceedings of the SPIE 1818--The International Society for Optical Engineering Visual Communications and Image Processing (Part 3). Boston, MA: SPIE, 1992. 1168～1179.
    [4] Liu, J. , Yang, Y.H. Multiresolution color image segmentation. IEEE Transactions on Pattern Analysis and Machine Intelligence, 1994,16(2): 689～700.
    [5] Celenk, M. A color clustering technique for image segmentation. Computer Vision, Graphics and Image Processing, 1990, 52(3) :145～170.
    [6] Huang, C-L. , Cheng, T-Y. , Chen, C-C. Color images' segmentation using scale space filters and markov random fields. Pattern Recognition, 1992,256(10): 1217～1229.
    [7] Tang, Y. Y. , Lee, S-W. , Suen, C.Y. Automatic document processing: a survey. Pattern Recognition, 1996,29(12):1931～1952.
    [8] Zhuang, Yue-ting. Intelligent multimedia information analysis and retrieval with applications to visual design [Ph. D. Thesis]. Hangzhou: Zhejiang University, 1998 (in Chinese).
    [9] Jain, A. K. , Yu, B. Automatic text location in images and video frames. Pattern Recognition, 1998,31(12) :2055～2076.
    [10] Zhong, Y. , Jain, A.K. Locating text in complex color images. Pattern Recognition, 1995,28(10):1523～1535.
    [11] Bai, Zi-you, Zhang Yong, Yu, Lie. A color segmentation method for truecolor ferrographic image. Journal of Pattern Recognition and Artificial Intelligence, 1999,12(2): 241～244 (in Chinese).附中文参考文献:
    [12]孟章荣.各种颜色模型选用需求分析.中国图像图形学报,1996,1(3):238～241.
    [13]庄越挺.智能多媒体信息分析与检索的研究[博士学位论文].杭州:浙江大学,1998.
    [14]柏子游,张勇,虞烈.一种彩色图像的色彩分割方法.模式识别与人工智能,1999,12(2):241～244.
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张引,潘云鹤.复杂背景下文本提取的彩色边缘检测算子设计.软件学报,2001,12(8):1229-1235

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History
  • Received:September 14,1999
  • Revised:April 04,2000
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