Fast sliding search algorithm for vector quantisation in image coding
- 18 August 1988
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 24 (17) , 1082-1083
- https://doi.org/10.1049/el:19880734
Abstract
The letter describes a simple algorithm for reducing the coding complexity of vector quantisation (VQ), exploiting the feature of a vector currently being coded. A proposed VQ of vector dimension 16 can reduce the complexity from 256 codeword searches to 16–32 with a slight performance degradation of about 0.1–0.9dB.Keywords
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