A new spread spectrum watermarking method using two levels DCT.
Amirhossein TaheriniaMansour JamzadPublished in: Int. J. Electron. Secur. Digit. Forensics (2010)
Keyphrases
- spread spectrum
- watermark detection
- watermarking method
- watermarking scheme
- digital watermarking
- watermarking algorithm
- watermarked image
- watermark embedding
- image watermarking
- transform domain
- dct coefficients
- data hiding
- digital images
- jpeg images
- dct domain
- spatial domain
- jpeg compression
- discrete cosine transform
- singular values
- copyright protection
- error correction
- watermarking technique
- discrete wavelet transform
- wavelet domain
- metadata
- bit error rate
- geometric distortions
- communication systems
- denoising