Spread spectrum watermarking technique for information system securing.
Todor TodorovPublished in: CompSysTech (2004)
Keyphrases
- spread spectrum
- watermarking technique
- image watermarking
- data hiding
- digital watermarking
- watermarking scheme
- watermarking algorithm
- video watermarking
- copyright protection
- digital images
- watermark detection
- jpeg compression
- watermarked image
- error correction
- lossy compression
- geometric distortions
- signal processing
- spatial domain
- discrete wavelet transform
- digital content
- watermark embedding
- dct coefficients
- singular values