Optimized Paraunitary Filter Banks for Time-Frequency Channel Diagonalization.
Ziyang JuThomas HunzikerDirk DahlhausPublished in: EURASIP J. Adv. Signal Process. (2010)
Keyphrases
- filter bank
- wavelet packet
- signal processing
- frequency domain
- image coding
- subband
- multiresolution
- perfect reconstruction
- multiscale
- wavelet transform
- reconstruction error
- computationally efficient
- fourier transform
- discrete cosine transform
- low pass
- spectral analysis
- spatial domain
- impulse response
- wavelet filters
- image processing
- finite impulse response
- frequency band
- image enhancement
- pattern recognition
- feature extraction