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Color-based clustering for text detection and extraction in image

Published: 29 September 2007 Publication History

Abstract

This paper proposes a new approach for the text detection and extraction in image. The novelty of our approach mainly lies in the color-based clustering into two phases: In text detection phase, we consider jointly the two significant features of text regions in image: homogeneous color and sharp edges, and color-based clustering is employed to decompose the color edge map of image into several edge maps, which makes the text detection of image more accurate. In text extraction phase, on one hand, for effective text recognition, we consider the color difference between the text and background in image, and color-based clustering is utilized to remove image noise. Another hand, for effective binarization of text region, instead of performing binarization in a constant color plane as in the existing methods, our approach can adaptively select the best color plane according to the text contrast difference among color planes for binarization. Experimental results show our approach is better than the existing methods.

References

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D. Karatzas and A. Antonacopoulos. Text Extraction from Web Images Based on A Split-and-Merge Segmentation Method Using Colour Perception. ICPR, UK, 2004.
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Y. Liu, S. Goto and T. Ikenaga. A Robust Algorithm for Text Detection in Color Images. ICDAR, Seoul, Korea, 2005.
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J. Gllavata, R. Ewerth and B. Freisleben. Text Detection in Images Based on Unsupervised Classification of High-Frequency Wavelet Coefficients. ICPR, UK, 2004.
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M. R. Lyu, J. Song and M. Cai. A Comprehensive Method for Multilingual Video Text Detection, Localization, and Extraction. IEEE Transactions on CSVT, vol. 15, no. 2, 2005.
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Y. Zhan, W. Wang and W. Gao. A Robust Split-and-Merge Text Segmentation Approach for Images. ICPR, HK, 2006.
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D. Chen, J. Odobez and H. Bourlard. Text Detection and Recognition in Images and Video Frames. Pattern Recognition 37(3), pp. 595--608, 2004.
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B. J. Frey, et al. Clustering by Passing Messages Between Data Points. Science 315, 972, 2007.
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C. Wolf and J. Jolion. Extraction and Recognition of Artificial Text in Multimedia Documents. Pattern Analysis and Application, 2003.
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S. M.Lucas, A. Panaretos, et al. ICDAR 2003 Robust Reading Competitions. ICDAR, Edinburgh, UK, 2003.

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cover image ACM Conferences
MM '07: Proceedings of the 15th ACM international conference on Multimedia
September 2007
1115 pages
ISBN:9781595937025
DOI:10.1145/1291233
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 29 September 2007

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Author Tags

  1. color-based clustering
  2. text detection
  3. text extraction

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MM07

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Overall Acceptance Rate 2,145 of 8,556 submissions, 25%

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