DISTRIBUTED VIDEO CODING WITH ZERO MOTION SKIP AND EFFICIENT DCT COEFFICIENT ENCODING

被引:5
作者
Hua, Guogang [1 ]
Chen, Chang Wen [2 ]
机构
[1] Florida Inst Technol, Dept Elect & Comp Engn, Melbourne, FL 32901 USA
[2] SUNY Buffalo, Univ Buffalo, Dept Comp Sci & Engn, Buffalo, NY 14260 USA
来源
2008 IEEE INTERNATIONAL CONFERENCE ON MULTIMEDIA AND EXPO, VOLS 1-4 | 2008年
关键词
Distributed video coding; zero motion; DCT coefficients;
D O I
10.1109/ICME.2008.4607550
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
In this paper, we propose a suite of efficient schemes for the representation of spatial and temporal correlations of video signals in distributed video coding (DVC). These schemes consist of zero motion skipping, Gray codes, and sign bits coding of DCT coefficients developed to improve the overall rate-distortion (R-D) performance of distributed video coding. Existing schemes have focused on exploiting the spatial and temporal correlation without sufficient investigation on the efficient representation of the correlation. We believe this is one of the reasons that there still exists sub-stantial gap between current DVC and traditional hybrid video coding. In traditional hybrid coding, a suite of efficient representation schemes such as zig-zag scan, run length code, and skipped macroblock have contributed significantly to excellent R-D performance. The efficient representation schemes we developed for DVC in this research will also lead to improved rate-distortion performance comparing with existing DVC schemes. We present in this paper the overall framework for the proposed zero motion skip and the analysis for efficient representations of both DCT coefficients and their signs. The experiment results show that the distributed video coding based on these efficient representations is able to achieve considerably improved rate-distortion performance over existing schemes.
引用
收藏
页码:777 / +
页数:2
相关论文
共 9 条
  • [1] AARON A, 2004, P IEEE ICIP SING OCT
  • [2] Distributed video coding
    Girod, B
    Margot, A
    Rane, S
    Rebollo-Monedero, D
    [J]. PROCEEDINGS OF THE IEEE, 2005, 93 (01) : 71 - 83
  • [3] HUA G, 2005, 2 INT C QUAL SERV HE
  • [4] Hua GG, 2006, GLOB TELECOMM CONF
  • [5] Rate distortion analysis of motion side estimation in Wyner-Ziv video coding
    Li, Zhen
    Liu, Limin
    Delp, Edward J.
    [J]. IEEE TRANSACTIONS ON IMAGE PROCESSING, 2007, 16 (01) : 98 - 113
  • [6] PURI R, 2003, P IEEE ICIP BARC SPA
  • [7] Rate-adaptive codes for distributed source coding
    Varodayan, David
    Aaron, Anne
    Girod, Bernd
    [J]. SIGNAL PROCESSING, 2006, 86 (11) : 3123 - 3130
  • [8] Wu M, 2005, IEEE INT SYMP CIRC S, P3527
  • [9] WU M, 2006, IEEE INT C MULT EXP