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Error resilient coding of H.264 using intact long-term reference frames

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2 Author(s)
Qing Zhang ; School of Electrical and Information Engineering, Xi¿an Jiaotong University, 710049, China ; Guizhong Liu

Transmission of compressed video over packet lossy networks is a challenge task due to the well-known error propagation problem, which may substantially degrade the transmitted video quality. In this paper, we propose an error-resilient coding scheme for the newest coding standard H.264 by using intact long-term reference frames. Specifically, two reference frames are available for inter-coding, one is the immediate past frame marked as short-term reference frame, and the other is an older and error-free one marked as long-term reference frame. To mitigate error propagation, a number of macroblocks (MBs) in each inter-frame are selected to be predicted from the long-term reference frame. Compared to the widely used MB intra-refresh, the proposed scheme is equally robust but more coding efficient. Numerical simulation results verify the validity of our scheme.

Published in:

Visual Information Engineering, 2008. VIE 2008. 5th International Conference on

Date of Conference:

July 29 2008-Aug. 1 2008