Use of the symmetrical extension for improving a time-varying wavelet-packet-based audio coder.
Manuel Rosa-ZureraNicolás Ruiz-ReyesPedro Vera-CandeasFrancisco López-FerrerasPublished in: Digit. Signal Process. (2003)
Keyphrases
- wavelet packet
- space frequency quantization
- subband
- image coder
- image coding
- filter bank
- wavelet packet transform
- denoising
- wavelet transform
- wavelet decomposition
- image compression
- wavelet packet decomposition
- multiresolution
- wavelet function
- wavelet coefficients
- quantization scheme
- signal processing
- visual information
- video signals
- frequency band
- frequency domain
- wavelet domain
- image processing
- discrete wavelet transform
- quadtree
- compression ratio
- neural network
- high frequency
- bit rate
- feature vectors
- multiscale
- bitstream
- non stationary