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Overview:

Image spam is a new obfuscating method which spammers invented to more effectively bypass conventional text based spam filters. This paper extracts local invariant features of images and runs a one-class SVM classifier which uses the pyramid match kernel as the kernel function to detect image spam. Experimental results demonstrate that their algorithm is effective for fighting image spam.

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Format:PDFSize:655 KB
Date:Apr 2009
Pages:2

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