Reversible Watermarking for Audio Authentication Based on Integer DCT and Expansion Embedding.
Quan ChenShijun XiangXinrong LuoPublished in: IWDW (2012)
Keyphrases
- reversible watermarking
- watermarking scheme
- image authentication
- prediction error
- digital watermarking
- digital watermark
- watermark extraction
- watermark detection
- discrete cosine transform
- multimedia
- image compression
- transform domain
- copyright protection
- watermarking algorithm
- jpeg compression
- user authentication
- error correction
- spread spectrum
- signal processing
- authentication scheme
- visual information
- watermarking technique
- spatial domain
- motion estimation
- multiresolution