Programmable FFT processors for wide-bandwidth HF spread-spectrum communications and radar signal processing.
D. R. BungardL. LauT. L. RorabaughPublished in: ICASSP (1989)
Keyphrases
- signal processing
- spread spectrum
- signal processor
- watermarking algorithm
- fast fourier transform
- fourier transform
- image watermarking
- high frequency
- data hiding
- image processing
- transform domain
- pattern recognition
- low frequency
- jpeg compression
- digital watermarking
- direct sequence spread spectrum
- communication systems
- lossy compression
- bit error rate
- filter bank
- frequency domain
- dct coefficients
- copyright protection
- wireless sensor networks
- discrete wavelet transform
- visual quality
- computer simulation