Very low bit rate video coding using virtual SPIHT

被引：23
|
作者：
Khan, E [1 ]
Ghanbari, M [1 ]
机构：
[1] Univ Essex, Dept Elect Syst Engn, Colchester CO4 3SQ, Essex, England
来源：
ELECTRONICS LETTERS | 2001年 / 37卷 / 01期
关键词：
D O I：
10.1049/el:20010028
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 virtual SPIHT (VSPIHT) technique that is based on the SPIHT and virtual zero-tree concepts is proposed. It combines virtually generated zero trees on the top of SPIHT's zero trees to reduce the effective number of zero trees. The simulation results show that the proposed video coder is more efficient compared to SPIHT based video coders, particularly at very low bit rates.
引用
收藏
页码：40 / 42
页数：3
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