Secure fragile watermarking method for image authentication with improved tampering localisation and self-recovery capabilities.
Sergio Bravo-SolorioAsoke K. NandiPublished in: Signal Process. (2011)
Keyphrases
- image authentication
- watermarking method
- watermarking scheme
- semi fragile
- copyright protection
- digital watermarking
- tamper detection
- authentication scheme
- watermarking algorithm
- jpeg compression
- watermark embedding
- digital images
- public key
- error correction
- key management
- spread spectrum
- multimedia content
- watermarked image
- discrete wavelet transform
- user authentication
- jpeg images
- image watermarking
- geometric distortions
- watermarking technique
- secret key
- image content
- smart card
- image quality