Subband Center Signal Scaling Using Power Ratios.
Christian UhleEmanuël Anco Peter HabetsPublished in: Semantic Audio (2014)
Keyphrases
- subband
- high frequency
- frequency domain
- filter bank
- wavelet packet
- wavelet transform coefficients
- energy distribution
- perfect reconstruction
- wavelet transform
- low frequency
- wavelet packet decomposition
- image compression
- video signals
- bit rate
- multiresolution
- wavelet coefficients
- energy compaction
- power spectral density
- wavelet decomposition
- feature vectors
- transform coefficients
- low pass
- wavelet packet transform
- wavelet domain
- discrete wavelet transform
- generalized gaussian distribution
- high pass
- subband decomposition
- frequency band
- locally adaptive
- bandpass
- wavelet coding
- subband coding
- image coder
- image coding
- reconstruction error
- signal processing
- visual quality
- spatial domain
- computer vision
- scalar quantization
- feature extraction
- non subsampled contourlet transform
- wavelet subbands
- rate distortion
- vector quantization
- multiscale
- high quality
- image processing