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A novel method for updating vector quantised codebooks

Lookup NU author(s): Lee Scargall, Professor Satnam Dlay


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We present a novel methodology for adaptive vector quantisation (AVQ), where the codebook is updated with new code-vectors. The new code-vectors replace less significant ones based on a scoring criterion that utilises a forgetting factor and a codebook half-life. The proposed method is shown to outperform conventional techniques of AVQ by approximately 1dB.

Publication metadata

Author(s): Scargall LD, Dlay SS

Editor(s): Mastorakis, NE

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Advances in Physics, Electronics and Signal Processing Applications

Year of Conference: 2000

Pages: 273-278

Publisher: World Scientific Engineering Society


Library holdings: Search Newcastle University Library for this item

ISBN: 9789608052178