Detection of spam images
First Claim
Patent Images
1. A method, comprising:
- 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;
detecting contiguous horizontal regions associated with the image; and
detecting horizontal and vertical edges of contiguous regions as the features that indicate whether the image is spam, wherein a ratio of a number of horizontal edges to a number of vertical edges is used, at least in part, to determine whether the image is spam.
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Accused Products
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.
7 Citations
27 Claims
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1. A method, comprising:
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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; detecting contiguous horizontal regions associated with the image; and detecting horizontal and vertical edges of contiguous regions as the features that indicate whether the image is spam, wherein a ratio of a number of horizontal edges to a number of vertical edges is used, at least in part, to determine whether the image is spam. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system comprising:
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a processor operable to execute computer program instructions; a memory operable to store computer program instructions executable by the processor; and computer program instructions for performing; 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; determining whether the image is spam based on the included features that indicate whether the image is spam; and detecting horizontal and vertical edges of contiguous regions as the features that indicate whether the image is spam, wherein a ratio of a number of horizontal edges to a number of vertical edges is used, at least in part, to determine whether the image is spam. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A computer program product for processing incoming email messages comprising:
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a non-transitory computer readable storage medium; computer program instructions, recorded on the computer readable storage medium, executable by a processor, for performing; 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; determining whether the image is spam based on the included features that indicate whether the image is spam; and detecting horizontal and vertical edges of contiguous regions as the features that indicate whether the image is spam, wherein a ratio of a number of horizontal edges to a number of vertical edges is used, at least in part, to determine whether the image is spam. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27)
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Specification