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Paper Abstract and Keywords
Presentation 2007-07-20 13:00
A Design and Evaluation of Filtering Method of Image Spam in Bayesian Filter
Masahiro Uemura, Toshihiro Tabata (Okayama Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) In late years, with the spread of Internet, increase of an unwanted e-mail
becomes a problem. In 2006, there is a finding that spam-mail is occupied 91\% of the whole E-mail. A Bayesian filter filtering statistically with Bayes theory as an anti-unwanted e-mail measure is used widely. The filter has high precision of filtering and is able to match with the trend of an unwanted e-mail and personal preference as the characteristic. However, the image spam that does imaging of contents of an unwanted e-mail increases rapidly as the end run. Baysian filter is not able to do an appropriate learning and judgement for binary data such as images since Bayesian filter learns and judges for only text data. Therefore, in this paper, we pay attention to information, such as file size of an attached image and suggest a technique of filtering with adding these information to a corpus of existing Bayesian filter as an anti-image spam measure. In addition, we report the evaluation result.
Keyword (in Japanese) (See Japanese page) 
(in English) Image Spam / Bayesian Filter / Token / Meta Data / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, pp. 103-110, July 2007.
Paper #  
Date of Issue 2007-07-13 (ISEC) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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Conference Information
Committee ISEC SITE IPSJ-CSEC  
Conference Date 2007-07-19 - 2007-07-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Future University-Hakodate 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IPSJ-CSEC 
Conference Code 2007-07-ISEC-SITE-IPSJ-CSEC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Design and Evaluation of Filtering Method of Image Spam in Bayesian Filter 
Sub Title (in English)  
Keyword(1) Image Spam  
Keyword(2) Bayesian Filter  
Keyword(3) Token  
Keyword(4) Meta Data  
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1st Author's Name Masahiro Uemura  
1st Author's Affiliation Okayama University (Okayama Univ.)
2nd Author's Name Toshihiro Tabata  
2nd Author's Affiliation Okayama University (Okayama Univ.)
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Speaker Author-1 
Date Time 2007-07-20 13:00:00 
Presentation Time 25 minutes 
Registration for IPSJ-CSEC 
Paper # ISEC2007-60 
Volume (vol) vol.107 
Number (no) no.141 
Page pp.103-110 
#Pages
Date of Issue 2007-07-13 (ISEC) 


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