New security and control protocol for VoIP based on steganography and digital watermarking
Wojciech MazurczykZbigniew KotulskiPublished in: CoRR (2006)
Keyphrases
- digital watermarking
- digital copyright protection
- copyright protection
- spread spectrum
- information hiding
- watermarking scheme
- digital images
- information security
- digital watermark
- image watermarking
- image scrambling
- discrete wavelet transform
- digital signature
- security analysis
- watermarking technique
- image authentication
- digital content
- authentication protocol
- image compression
- least significant bit
- watermarking algorithm
- multiresolution
- jpeg compression