Two variants of the sign subband adaptive filter with improved convergence rate.
Jingen NiXiaoping ChenJian YangPublished in: Signal Process. (2014)
Keyphrases
- convergence rate
- subband
- step size
- adaptive filter
- wavelet coefficients
- filter bank
- wavelet transform
- multiresolution
- convergence speed
- bit rate
- image compression
- high frequency
- learning rate
- feature vectors
- wavelet domain
- low pass
- gradient method
- frequency domain
- low frequency
- multiscale
- filtering algorithm
- adaptive filtering
- bitstream
- feature selection