Secure sparse watermarking on DWT-SVD for digital images.
Anirban BoseSanti P. MaityPublished in: J. Inf. Secur. Appl. (2022)
Keyphrases
- digital images
- digital watermarking
- jpeg compression
- image watermarking
- copyright protection
- singular value decomposition
- watermarking technique
- discrete wavelet transform
- multiresolution
- high dimensional
- singular values
- image authentication
- sparse representation
- least squares
- spread spectrum
- dimensionality reduction
- low rank approximation
- low frequency
- encryption scheme
- key management
- privacy preserving
- information hiding
- hidden information