Signal Processing Interference excision in spread spectrum communications using adaptive biorthogonal local discrete cosine transform.
Li-ping ZhuGuang-Rui HuYi-Sheng ZhuPublished in: Eur. Trans. Telecommun. (2005)
Keyphrases
- discrete cosine transform
- spread spectrum
- filter bank
- signal processing
- transform domain
- lapped transforms
- image compression
- watermarking algorithm
- direct sequence spread spectrum
- dct coefficients
- frequency hopping
- image watermarking
- spatial domain
- image processing
- subband
- data hiding
- dct domain
- jpeg images
- multiresolution
- jpeg compression
- multiscale
- wavelet transform
- fast fourier transform
- communication systems
- fourier transform
- multiple access
- digital watermarking
- pattern recognition
- frequency domain
- computationally efficient
- lossy compression
- low bit rate
- feature vectors
- reconstructed image