Detection of spam images
First Claim
Patent Images
1. A method comprising:
- detecting horizontal and vertical edges of contiguous regions in an image; and
determining a probability that the image contains spam, based at least in part on a ratio of a number of the horizontal edges to a number of the vertical edges.
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Abstract
A method, system, and computer program product for analyzing image attachments to email messages and reliably determines whether the image includes spam, so that the message can be blocked. A method for processing email messages comprises processing an image included in or attached to an email message to determine whether the image includes features that indicate whether the image is spam and determining whether the image is spam based on the included features that indicate whether the image is spam.
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Citations
20 Claims
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1. A method comprising:
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detecting horizontal and vertical edges of contiguous regions in an image; and determining a probability that the image contains spam, based at least in part on a ratio of a number of the horizontal edges to a number of the vertical edges. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. Logic encoded in one or more non-transitory media that includes code for execution and when executed by one or more processors is operable to perform operations comprising:
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detecting horizontal and vertical edges of contiguous regions in an image; and determining a probability that the image contains spam, based at least in part on a ratio between an amount of horizontal edges and vertical edges. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A system, comprising:
one or more processors operable to execute instructions such that the system is configured for; detecting horizontal and vertical edges of contiguous regions in an image; and determining a probability that the image contains spam, based at least in part on a ratio of a number of the horizontal edges to a number of the vertical edges. - View Dependent Claims (16, 17, 18, 19, 20)
Specification