Block-sparse non-uniform norm constraint normalised subband adaptive filter.
Wenyuan WangHaiquan ZhaoPublished in: IET Signal Process. (2019)
Keyphrases
- feature extraction
- subband
- adaptive filter
- wavelet transform
- feature vectors
- filter bank
- wavelet coefficients
- adaptive filtering
- image compression
- frequency domain
- step size
- wavelet decomposition
- filtering algorithm
- high frequency
- discrete wavelet transform
- multiresolution
- image filtering
- image coding
- dct coefficients
- bit rate
- wavelet domain
- low frequency
- noise free
- low pass
- high dimensional
- discrete cosine transform
- objective function
- sparse representation
- computational complexity
- multiscale