Vector Quantization as Sparse Least Square Optimization.
Chen WangRuisen LuoPublished in: CoRR (2018)
Keyphrases
- vector quantization
- least squares
- image compression
- vector quantizer
- distortion measure
- reduced complexity
- successive approximation
- fractal image compression
- input vector
- vector quantized
- high dimensional
- fractal image coding
- joint optimization
- codebook design
- neural gas
- neural network
- sparse representation
- speaker recognition
- entropy constrained
- sparse coding
- feature space