Comparative analysis of adaptive subband structures with critical sampling.
Mariane R. PetragliaRenata T. B. VasconcellosPublished in: EUSIPCO (2002)
Keyphrases
- comparative analysis
- subband
- filter bank
- wavelet transform
- adaptive wavelet
- image compression
- locally adaptive
- multiresolution
- bit rate
- wavelet coefficients
- feature vectors
- high frequency
- discrete wavelet transform
- wavelet decomposition
- energy compaction
- subband coding
- wavelet domain
- subband decomposition
- low pass
- frequency domain
- low frequency
- wavelet coding
- image coding
- image coder
- contourlet transform
- semi quantitative
- wavelet packet
- perfect reconstruction
- high pass
- vector quantization
- frequency band
- transform coefficients
- high quality
- wavelet subbands
- wavelet transform coefficients
- face recognition
- quantization scheme
- directional information
- reconstruction error
- bitstream
- signal processing