A secure image authentication technique based on sparse approximation and quantum mechanism.
Rohit AgrawalKuldeep Narayan TripathiRanjeet Kumar SinghNitin Arvind ShelkeUmesh GuptaPublished in: Digit. Signal Process. (2024)
Keyphrases
- image authentication
- sparse approximation
- authentication scheme
- public key
- digital signature
- linear combination
- jpeg compression
- digital watermarking
- image content
- watermarking scheme
- noise model
- key management
- security analysis
- gaussian process
- copyright protection
- watermarking algorithm
- secret key
- sparse coding
- user authentication
- smart card
- pattern recognition
- authentication protocol
- convex relaxation