Commutative encryption and watermarking based on orthogonal decomposition.
Li JiangZhengquan XuYanyan XuPublished in: Multim. Tools Appl. (2014)
Keyphrases
- information hiding
- image authentication
- digital images
- encryption algorithms
- copyright protection
- special case
- spread spectrum
- digital watermarking
- decomposition method
- watermarking technique
- digital signature
- image decomposition
- watermarking scheme
- encryption scheme
- data hiding
- watermarking algorithm
- decomposition methods
- image watermarking
- wavelet transform
- random number
- multiscale
- chaotic sequence
- robust image watermarking