Design of Hybrid Vector Quantizer for the Gaussian Source

In this paper we propose new model of vector quantizers which combines two classical models of quantizers. Particularly, the proposed model, denoted as hybrid, combines the compandor model and the general Lloyd-Max's model of vector quantizers. The performance analizes of these models are carie...

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Bibliographic Details
Main Authors: Peric, Z.H., ILic, V.M., Nikolic, J.R.
Format: Conference Proceeding
Language:English
Subjects:
Compandor model
Compression algorithms
Computer applications
Design engineering
Electronic mail
General Lloyd-Max's model
Hybrid model
Multidimensional systems
Probability density function
Process design
Speech
Vector quantization
Vector quantizers
Video compression
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Summary:In this paper we propose new model of vector quantizers which combines two classical models of quantizers. Particularly, the proposed model, denoted as hybrid, combines the compandor model and the general Lloyd-Max's model of vector quantizers. The performance analizes of these models are caried out for the Gaussian input signals. It is demonstrated that for a fixed number of quantizaton cells vector quantizers designed according to the hybrid model provides quantizer's performance very close to the optimal that corresponds to the Lloyd-Max's quantizers.
DOI:10.1109/TELSKS.2007.4375958