Subband conversion for feature extraction from compressed audio.
Tobias FriedrichMatthias GruhneGerald SchullerPublished in: ICASSP (2008)
Keyphrases
- subband
- feature extraction
- wavelet transform
- feature vectors
- frequency domain
- filter bank
- image compression
- video signals
- multiresolution
- wavelet coefficients
- discrete wavelet transform
- high frequency
- bit rate
- audio signal
- subband coding
- wavelet decomposition
- locally adaptive
- low pass
- low frequency
- image coding
- visual information
- wavelet domain
- image coder
- perfect reconstruction
- signal processing
- image processing
- multiscale
- reconstruction error
- data structure
- statistical moments
- frequency band
- feature space
- wavelet subbands
- wavelet coding
- image classification
- wavelet packet
- subband decomposition
- texture features
- texture image retrieval
- contourlet transform
- texture classification
- spatial domain
- feature set
- face recognition
- palmprint
- video coding
- vector quantization
- image quality