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| ROTATED BARNES-WALL LATTICE BASED VECTOR QUANTIZER AND ITS APPLICATION IN IMAGE-SEQUENCE CODING |
| Xue Xiangyang; Chen Xueqing; Fan Changxin |
| Information Science Institute, Xidian University, Xi'an 710071 |
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Abstract A new method is presented to design a rotated Barnes-Wall lattice based vector quantizer (LVQ). The construction method of the LVQ and its fast quantizing algorithm are described, then the gain-shape vector quantizer (GSLVQ) with LVQ as shape VQ is discussed. Finally the GSLVQ is used in image-sequence coding and good experimental results are obtained.
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Received: 15 December 1993
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1995, Vol. 17 
