Optimal estimation of subband speech from nonuniform non-recurrent signal-driven sparse samples.
Penio S. PenevLiubomire G. IordanovPublished in: ICASSP (2001)
Keyphrases
- subband
- high frequency
- frequency domain
- filter bank
- wavelet transform
- wavelet packet
- bit rate
- image compression
- wavelet transform coefficients
- low frequency
- wavelet coefficients
- perfect reconstruction
- multiresolution
- energy distribution
- wavelet decomposition
- low pass
- feature vectors
- video signals
- linear prediction
- discrete wavelet transform
- subband coding
- wavelet packet decomposition
- bandpass
- high pass
- synthesis filters
- wavelet packet transform
- energy compaction
- locally adaptive
- transform coefficients
- wavelet domain
- image coding
- reconstruction error
- subband decomposition
- generalized gaussian distribution
- image coder
- signal processing
- visual quality
- wavelet coding
- sparse representation
- speech recognition
- high resolution
- frequency band
- wavelet subbands
- natural images
- video coding
- image denoising
- spatial domain
- feature extraction