IMAGE VECTOR QUANTIZATION USING A MODIFIED LEG ALGORITHM WITH APPROXIMATED CENTROIDS

被引:5
|
作者
MONAWER, HA
机构
[1] Tblisi 380075, Do Vostraibovania
关键词
IMAGE PROCESSING; VECTOR QUANTIZATION;
D O I
10.1049/el:19950100
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A new image vector quantiser (VQ) is introduced which uses a modified LEG algorithm for codebook production called LEG with approximated centroids (LBG-AC). Simulations show that an increase in PSNR (similar to 0.7-1.2dB) can be achieved using VQ with the LBG-AC algorithm over VQ with the LBG algorithm.
引用
收藏
页码:174 / 175
页数:2
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