A secure DWT-based dual watermarking scheme for image authentication and copyright protection.
A. Hernández-JoaquínG. Melendez-MelendezRené CumplidoPublished in: Multim. Tools Appl. (2023)
Keyphrases
- image authentication
- watermarking scheme
- copyright protection
- digital watermarking
- jpeg compression
- image watermarking
- digital signature
- geometric attacks
- tamper detection
- watermarking algorithm
- semi fragile
- watermarking technique
- spread spectrum
- watermark embedding
- watermarking method
- discrete wavelet transform
- geometric distortions
- error correction
- information hiding
- authentication scheme
- digital images
- user authentication
- watermark detection
- jpeg images
- lossy compression
- key management
- watermarked image
- multimedia content
- multimedia data