Subband Vector Quantization of Images Using Hexagonal Filter Banks.
Osama S. HaddadinV. John MathewsThomas G. Stockham Jr.Published in: Data Compression Conference (1992)
Keyphrases
- subband
- image compression
- filter bank
- vector quantization
- distortion measure
- image coding
- scalar quantization
- wavelet subbands
- wavelet transform
- lossy compression
- transform coefficients
- perfect reconstruction
- vector quantizer
- wavelet coefficients
- subband coding
- wavelet filters
- high frequency
- wavelet decomposition
- discrete wavelet transform
- image coding scheme
- frequency domain
- multiscale
- multiresolution
- wavelet domain
- low bit rate
- image data
- bit rate
- reconstructed image
- compression ratio
- discrete cosine transform
- wavelet packet
- low pass
- lifting scheme
- locally adaptive
- image coder
- image processing
- feature vectors
- image classification
- compression algorithm
- compression scheme
- reconstruction error
- bit allocation
- low frequency
- texture image retrieval
- contourlet transform
- entropy coding
- computationally efficient
- signal processing
- motion estimation
- compressed images
- fractal image coding