Keyphrases
- spread spectrum
- image watermarking
- bit error rate
- data hiding
- transform domain
- digital watermarking
- watermarking scheme
- watermarking algorithm
- ofdm system
- multipath
- communication systems
- image processing
- direct sequence spread spectrum
- orthogonal frequency division multiplexing
- wireless communication
- shortest path
- error correction
- signal to noise ratio
- image sequences