Sparsity-Aware Logarithmic Hyperbolic Cosine Normalized Subband Adaptive Filter Algorithm With Step-Size Optimization.
Dongxu LiuHaiquan ZhaoPublished in: IEEE Trans. Circuits Syst. II Express Briefs (2022)
Keyphrases
- step size
- adaptive filter
- convergence rate
- least mean square
- cost function
- subband
- optimization algorithm
- filtering algorithm
- adaptive filtering
- objective function
- wavelet transform
- wavelet coefficients
- feature vectors
- gradient method
- high quality
- edge detection
- signal processing
- bit rate
- similarity measure
- computational complexity