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Paper Abstract and Keywords
Presentation 2009-06-16 10:00
Super Resolution for Text Images
Shunichi Kimura, Ikken So, Masanori Sekino, Satoshi Kubota, Kanya Ishizaka, Yutaka Koshi (Fuji Xerox)
Abstract (in Japanese) (See Japanese page) 
(in English) This paper addresses the problem of recovering a super-resolved image from (an) office document image(s) that is/are obtained through document scanner and has/have several texts. We propose a method that enables super-resolution even if we get only one input image. Firstly, text images are extracted from (an) input image(s). Secondly, these text images are classified such that one class has same text images. Finally, super-resolution algorithm is adopted for each class to create a high-resolution text image. Simulation results show that this method can restore sufficient text quality. Also, we exploit a new image-registration algorithm using quadric hyper-surfaces and a fast super-resolution algorithm especially for text images.
Keyword (in Japanese) (See Japanese page) 
(in English) Supre Resolution / Text Image Processing / Image Restoration / Image Enlargement / Image Registration / / /  
Reference Info. ITE Tech. Rep., vol. 33, no. 23, ME2009-103, pp. 45-48, June 2009.
Paper # ME2009-103 
Date of Issue 2009-06-08 (IST, ME) 
ISSN Print edition: ISSN 1342-6893
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Conference Information
Committee IST ME  
Conference Date 2009-06-15 - 2009-06-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanazawa Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ME 
Conference Code 2009-06-IST-ME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Super Resolution for Text Images 
Sub Title (in English)  
Keyword(1) Supre Resolution  
Keyword(2) Text Image Processing  
Keyword(3) Image Restoration  
Keyword(4) Image Enlargement  
Keyword(5) Image Registration  
1st Author's Name Shunichi Kimura  
1st Author's Affiliation Fuji Xerox Co., Ltd. (Fuji Xerox)
2nd Author's Name Ikken So  
2nd Author's Affiliation Fuji Xerox Co., Ltd. (Fuji Xerox)
3rd Author's Name Masanori Sekino  
3rd Author's Affiliation Fuji Xerox Co., Ltd. (Fuji Xerox)
4th Author's Name Satoshi Kubota  
4th Author's Affiliation Fuji Xerox Co., Ltd. (Fuji Xerox)
5th Author's Name Kanya Ishizaka  
5th Author's Affiliation Fuji Xerox Co., Ltd. (Fuji Xerox)
6th Author's Name Yutaka Koshi  
6th Author's Affiliation Fuji Xerox Co., Ltd. (Fuji Xerox)
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Speaker Author-1 
Date Time 2009-06-16 10:00:00 
Presentation Time 30 minutes 
Registration for ME 
Paper # IST2009-27, ME2009-103 
Volume (vol) vol.33 
Number (no) no.23 
Page pp.45-48 
Date of Issue 2009-06-08 (IST, ME) 

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