A Method for Spam Fax Detection and Classification Based on Clustering

In order to overcome the problem that the fax server was inadequate on the spam fax prevention, this paper provided a spam fax detection and classification method based on clustering. The method took advantage of behavioral characteristics of spam fax. And it separated spam faxes from normal faxes with clustering method on the basis of the skew detection. Then use OCR keywords recognition technology to classify spam faxes once again. This method is simple to implement with high accuracy, and it has applied successfully.