Redesigning vector quantizers using implicitly estimated probability density functions.
Srivatsan KandadaiCharles D. CreuserePublished in: Signal Process. (2009)
Keyphrases
- probability density function
- vector quantizer
- generalized gaussian
- vector quantization
- image coding
- density function
- entropy constrained
- density estimation
- lattice vector quantization
- bayesian framework
- probability distribution
- gaussian mixture model
- distance function
- variable length
- finite state
- em algorithm
- mixture model
- image compression
- low dimensional
- prior knowledge
- statistical methods
- expectation maximization
- markov chain
- transform coding
- information retrieval