Quantized frame expansions based on tree-structured oversampled filter banks for erasure recovery.
Ravi MotwaniChristine GuillemotPublished in: ICASSP (4) (2003)
Keyphrases
- filter bank
- subband
- image coding
- wavelet frame
- perfect reconstruction
- multiresolution
- multiscale
- signal processing
- discrete cosine transform
- subband coding
- dct coefficients
- frequency domain
- tree structure
- image compression
- lifting scheme
- wavelet filters
- video frames
- computationally efficient
- reconstruction error
- low pass
- transform coefficients
- wavelet packet
- finite impulse response
- high frequency
- lapped transforms
- index structure
- image sequences
- quadtree
- pattern recognition
- wavelet coefficients
- feature vectors