A Spectral Efficiency Enhancement for Chirp Spread Spectrum Downlink Communications.
Daniel C. AraújoGuillaume FerréCharles Casimiro CavalcanteIgor M. GuerreiroPublished in: LATINCOM (2020)
Keyphrases
- spread spectrum
- image watermarking
- fourier transform
- data hiding
- transform domain
- image processing
- frequency domain
- digital watermarking
- watermarking scheme
- communication systems
- direct sequence spread spectrum
- watermarking algorithm
- spatial domain
- communication networks
- optical flow
- pattern recognition
- multiscale
- frequency hopping
- image sequences