Sparsity-aware subband adaptive algorithms with adjustable penalties.
Yi YuHaiquan ZhaoRodrigo C. de LamareLu LuPublished in: Digit. Signal Process. (2019)
Keyphrases
- subband
- adaptive algorithms
- non stationary
- filter bank
- wavelet transform
- multiresolution
- image compression
- bit rate
- wavelet coefficients
- wavelet decomposition
- feature vectors
- high frequency
- frequency domain
- locally adaptive
- wavelet domain
- discrete wavelet transform
- low pass
- subband coding
- wavelet packet
- image coding
- wavelet coding
- perfect reconstruction
- sparse representation
- frequency band
- subband decomposition
- vector quantization
- image coder
- multiscale
- wavelet subbands
- image quality
- wavelet filters
- motion estimation
- feature extraction
- image processing