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Paper Abstract and Keywords
Presentation 0000-00-00 00:00
Character Extraction from Color Document Images with Complex Background
Kouta Fujisaki, Yuuichirou Sakamoto, Junji Maeda (Muroran IT)
Abstract (in Japanese) (See Japanese page) 
(in English) The purpose of this research is to extract the characters from color document images with complex background such as journal covers by using color reduction and binarization.
We proposed an improved algorithm of color reduction based on the modified version of the Ong's SOM that incorporate the edge-preserving smoothing as preprocessing and the sub-sampling using local fractal dimension.
We also propose an algorithm of binarization that enables the character extraction by separating the color of character from the color of background after color reduction.
We perform the comparative experiments of the proposed method in comparison with the other methods using the evaluation with ground truth to demonstrate the effectiveness of the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) Color document images / color reduction / binarization / text extraction / self-organizing map / local fractal dimension / /  
Reference Info. ITE Tech. Rep., vol. 35, no. 9, ME2011-51, pp. 221-226, Feb. 2011.
Paper # ME2011-51 
Date of Issue  
ISSN Print edition: ISSN 1342-6893  Online edition: ISSN 2424-1970
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Conference Information
Conference Date 2011-02-21 - 2011-02-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ME 
Conference Code 2011-02-ITS-IE-AIT-HI-ME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Character Extraction from Color Document Images with Complex Background 
Sub Title (in English)  
Keyword(1) Color document images  
Keyword(2) color reduction  
Keyword(3) binarization  
Keyword(4) text extraction  
Keyword(5) self-organizing map  
Keyword(6) local fractal dimension  
1st Author's Name Kouta Fujisaki  
1st Author's Affiliation Muroran Institute of Technology (Muroran IT)
2nd Author's Name Yuuichirou Sakamoto  
2nd Author's Affiliation Muroran Institute of Technology (Muroran IT)
3rd Author's Name Junji Maeda  
3rd Author's Affiliation Muroran Institute of Technology (Muroran IT)
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Date Time 0000-00-00 00:00:00 
Presentation Time  
Registration for ME 
Paper # HI2011-12, ME2011-51, AIT2011-12 
Volume (vol) 35 
Number (no) no.9 
Page pp.221-226 
Date of Issue  

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