Performance of Portable Radio Telephone Using Spread Spectrum.
Kenji YamadaKazuhiro DaikokuHidenori UsuiPublished in: IEEE Trans. Commun. (1984)
Keyphrases
- spread spectrum
- image watermarking
- data hiding
- transform domain
- video watermarking
- wireless communication
- watermarking scheme
- watermarking algorithm
- bit error rate
- digital watermarking
- wireless systems
- pattern recognition
- direct sequence spread spectrum
- image processing
- frequency hopping
- spatial domain
- visual quality
- video sequences