Interference mitigation in spread spectrum systems by wavelet coefficients thresholding.
René Landry Jr.Philippe MouyonDavid LekaïmPublished in: Eur. Trans. Telecommun. (1998)
Keyphrases
- wavelet coefficients
- spread spectrum
- wavelet transform
- wavelet domain
- multiresolution
- image denoising
- discrete wavelet transform
- direct sequence spread spectrum
- high frequency
- subband
- multiscale
- transform domain
- noisy images
- feature space
- low frequency
- computer simulation
- watermarking scheme
- multipath
- feature vectors
- watermarking algorithm
- image watermarking
- feature extraction