Genetic entropy-constrained vector quantizer design algorithm

Wen-Jyi Hwang; Sheng-Lin Hong

doi:10.1117/1.602081

1 February 1999 Genetic entropy-constrained vector quantizer design algorithm

Wen-Jyi Hwang, Sheng-Lin Hong

Optical Engineering, Vol. 38, Issue 2, (February 1999). https://doi.org/10.1117/1.602081

A novel variable-rate vector quantizer (VQ) design algorithm, which is a hybrid approach combining a genetic algorithm with the entropy-constrained VQ (ECVQ) algorithm is presented. The proposed technique outperforms the ECVQ algorithm in the sense that it reaches a nearby global optimum rather than a local one. Simulation results show that, when applied to image coding, the technique achieves higher peak SNR (PSNR) and image quality than techniques using the ECVQ algorithm.

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Wen-Jyi Hwang and Sheng-Lin Hong "Genetic entropy-constrained vector quantizer design algorithm," Optical Engineering 38(2), (1 February 1999). https://doi.org/10.1117/1.602081

Published: 1 February 1999

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