A flexible subband-based computation scheme for generalized discrete time-frequency distributions.
Thuyen LeManfred GlesnerPublished in: ICECS (1999)
Keyphrases
- subband
- wavelet transform
- frequency domain
- wavelet packet
- filter bank
- image compression
- scalar quantization
- bit rate
- multiresolution
- wavelet coefficients
- locally adaptive
- wavelet decomposition
- high frequency
- energy compaction
- discrete wavelet transform
- feature vectors
- wavelet domain
- translation invariant
- low pass
- image coding
- lattice vector quantization
- subband coding
- perfect reconstruction
- reconstruction error
- image coding scheme
- multiscale
- subband decomposition
- random variables
- image coder
- probability distribution
- wavelet coding
- image processing
- non subsampled contourlet transform
- contourlet transform
- wavelet filters
- visual quality
- high quality
- transform coefficients
- quadtree
- image quality
- denoising
- similarity measure