BIGGIO B

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We address the problem of filtering image spam, a rapidly spreading kind of spam in which the text message is embedded into attached images to defeat spam filtering techniques based on the analysis of e-mail's body text. We propose an approach based on low-level image processing techniques to detect one of the main characterstics of most image...

In this paper we focus on the so-called image spam, which consists in embedding the spam message into images attached to e-mails to circumvent statistical techniques based on the analysis of body text of e-mails (like the "bayesian filters"), and in applying content obscuring techniques to such images to make them unreadable by standard OCR...

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