| Paper: | SPCOM-P1.6 | ||
| Session: | Coding and Compression | ||
| Time: | Tuesday, May 16, 10:30 - 12:30 | ||
| Presentation: | Poster | ||
| Topic: | Signal Processing for Communication: Joint source-channel coding and quantization, iterative decoding algorithms | ||
| Title: | Low-Complexity Multiple Description Vector Quantization with Constrained Central Codebook | ||
| Authors: | Yugang Zhou, Wai-Yip Chan, Queen's University, Canada | ||
| Abstract: | Conventional multiple description vector quantizers (MDVQ) have high complexity, which limits their practical application. Two central-codebook-constrained MDVQ (CMDVQ) schemes are proposed to reduce the storage and search complexity. Simulation results show that for low channel loss rates, a tradeoff exists between choosing CMDVQ for its low complexity and the conventional MDVQ for its higher signal-to-noise ratio (SNR) performance. For medium to high channel loss rates, CMDVQ is preferred for its low complexity and comparable SNR performance to the conventional MDVQ. | ||
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