A Color Image Authentication Scheme With Grayscale Invariance.
Wien HongJeanne ChenPeishih ChangJie WuTung-Shou ChenJason LinPublished in: IEEE Access (2021)
Keyphrases
- gray scale
- authentication scheme
- color images
- gray scale images
- smart card
- grayscale images
- color information
- mathematical morphology
- color space
- user authentication
- binary images
- image processing
- public key
- secret key
- authentication protocol
- security analysis
- information systems
- inverse halftoning
- key management
- error diffusion
- structuring elements
- texture information
- contrast enhancement
- low cost