A DCT-based Recoverable Image Authentication.
Hsien-Chu WuChin-Chen ChangTing-Wei YuPublished in: JCIS (2006)
Keyphrases
- image authentication
- image compression
- jpeg compression
- public key
- dct coefficients
- discrete cosine transform
- watermarking scheme
- authentication scheme
- semi fragile watermarking
- copyright protection
- digital watermarking
- lossy compression
- watermarking algorithm
- image content
- transform domain
- spatial domain
- digital images
- compression algorithm
- multiscale