Spherical Vector Quantization for Spatial Direction Coding.
Stéphane RagotAdriana VasilachePublished in: ICASSP (2023)
Keyphrases
- vector quantization
- image compression
- codebook design
- video coding scheme
- distortion measure
- vector quantizer
- scalar quantization
- entropy constrained vector quantization
- finite state vector quantization
- codebook generation
- transform coding
- index table
- fractal image compression
- coding scheme
- tree structured vector quantization
- reduced complexity
- bit allocation
- fractal coding
- fractal image coding
- input vector
- progressive transmission
- wavelet transform
- multiscale
- residual vector quantization
- compression efficiency
- competitive learning
- coding method