PDF-optimized LSF vector quantization based on beta mixture models.
Zhanyu MaArne LeijonPublished in: INTERSPEECH (2010)
Keyphrases
- density function
- mixture model
- vector quantization
- vector quantizer
- probability density function
- density estimation
- gaussian mixture model
- reduced complexity
- em algorithm
- image compression
- probability density
- probabilistic model
- generative model
- expectation maximization
- image coding
- unsupervised learning
- maximum likelihood
- distortion measure
- codebook design
- language model
- gaussian mixture
- mixture modeling
- model selection
- successive approximation
- markov chain
- probability distribution
- feature space
- tree structured vector quantization