Wavelet video coding combining pyramidal lattice vector quantization with Wyner-Ziv coding

被引：0
|
作者：
Li, Jing [1 ]
Zhao, Yao [1 ]
Wang, Anhong [1 ]
机构：
[1] Beijing Jiaotong Univ, Inst Informat Sci, Beijing 100044, Peoples R China
来源：
2006 8TH INTERNATIONAL CONFERENCE ON SIGNAL PROCESSING, VOLS 1-4 | 2006年
基金：
中国国家自然科学基金;
关键词：
D O I：
暂无
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：
The paper presents a new video coding scheme combining pyramidal lattice vector quantization (PLVQ) with distributed video coding (DVC). Our scheme firstly applies lattice A, with side information to quantify the lowest coefficients in the discrete wavelet transform (DWT); and utillizes D-4 PLVQ to deal with the rest of wavelet coefficients. DVC respectively treats nonzero lattice vectors and Zero lattice vectors after D-4 quantization. LVQ can extract the intra-frame dependences of wavelet coefficients; DVC can exact inter-frame dependences at the decoder. So, though intra-frame structure is used in our scheme, it has better performance than intra-frame coding.
引用
收藏
页码：1385 / +
页数：2
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