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Image spam filtering using Fourier-Mellin invariant features

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5 Author(s)
Haiqiang Zuo ; National Laboratory of Pattern Recognition, Institute of Automation, CAS, Beijing, China ; Xi Li ; Ou Wu ; Weiming Hu
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Image spam is a new obfuscating method which spammers invented to more effectively bypass conventional text based spam filters. In this paper, a framework for filtering image spams by using the Fourier-Mellin invariant features is described. Fourier-Mellin features are robust for most kinds of image spam variations. A one-class classifier, the support vector data description (SVDD), is exploited to model the boundary of image spam class in the feature space without using information of legitimate emails. Experimental results demonstrate that our framework is effective for fighting image spam.

Published in:

2009 IEEE International Conference on Acoustics, Speech and Signal Processing

Date of Conference:

19-24 April 2009