A novel variable step-size normalized subband adaptive filter based on mixed error cost function.
Pengwei WenJiashu ZhangPublished in: Signal Process. (2017)
Keyphrases
- subband
- variable step size
- step size
- cost function
- wavelet coefficients
- filter bank
- wavelet transform
- image compression
- reconstruction error
- convergence rate
- multiresolution
- bit rate
- wavelet decomposition
- feature vectors
- adaptive wavelet
- high frequency
- locally adaptive
- frequency domain
- discrete wavelet transform
- subband coding
- convergence speed
- blind source separation
- wavelet packet
- energy compaction
- subband decomposition
- image coder
- multiscale
- wavelet coding
- low pass
- frequency band
- objective function
- wavelet subbands
- similarity measure
- machine learning
- video coding
- evolutionary algorithm
- error propagation
- image processing