ADAMAS: Interweaving unicode and color to enhance CAPTCHA security.
Narges RoshanbinJames MillerPublished in: Future Gener. Comput. Syst. (2016)
Keyphrases
- color images
- user authentication
- color space
- information security
- color information
- information assurance
- intrusion detection
- computer security
- security issues
- security policies
- security requirements
- security mechanisms
- neural network
- access control
- information systems
- network security
- color matching
- color correction
- security model
- authentication protocol
- security vulnerabilities
- image indexing and retrieval
- image retrieval
- color segmentation
- gradient information
- statistical databases
- data security
- key management
- image regions
- color histogram