A robust spread spectrum watermarking method using two levels DCT.
Amirhossein TaheriniaMansour JamzadPublished in: Int. J. Electron. Secur. Digit. Forensics (2009)
Keyphrases
- spread spectrum
- watermark detection
- watermarking method
- watermarking scheme
- image watermarking
- digital watermarking
- watermarking algorithm
- watermarked image
- watermark embedding
- transform domain
- copyright protection
- data hiding
- spatial domain
- dct domain
- dct coefficients
- digital images
- jpeg compression
- watermarking technique
- geometric distortions
- jpeg images
- discrete cosine transform
- error correction
- discrete wavelet transform
- multiresolution
- signal processing