Error concealment strategy for picture-header loss in MPEG compressed video

Huifang Sun; Joel Zdepski

doi:10.1117/12.171694

1 April 1994 Error concealment strategy for picture-header loss in MPEG compressed video

Huifang Sun, Joel Zdepski

Proceedings Volume 2188, High-Speed Networking and Multimedia Computing; (1994) https://doi.org/10.1117/12.171694
Event: IS&T/SPIE 1994 International Symposium on Electronic Imaging: Science and Technology, 1994, San Jose, CA, United States

Abstract

MPEG (Moving Picture Experts Group) video coding standard has emerged to facilitate the fast growth of full-motion compression on digital storage media and digital communication. As new applications arise, the problems of arising of noisy channels need to be solved. Some error resilience techniques have been proposed to address this problem. However, in MPEG compressed video there are some data elements within the picture-header which are absolutely crucial to decoding. Without them no decoding can be accomplished. Previous proposed error resilience techniques can only handle this kind of loss by replacing whole frame with the previously decoded frame. In this paper, an error concealment strategy is proposed for the case of losing picture-header information during transmission of the compressed MPEG bit- stream. This proposal is motivated by the fact that all bits are not equal important within the video bit-stream. The basic idea of this strategy is the use of the redundant picture-header concept which allows redundant transmission of these very sensitive data within the MPEG-2 video headers. This strategy has to be supported by appropriate ATM-type transport structure. The redundant picture header will be assigned to the different cell with the original picture- header to protect the loss of picture-header for the purpose of improving the noise channel performance.

Citation Download Citation

Huifang Sun and Joel Zdepski "Error concealment strategy for picture-header loss in MPEG compressed video", Proc. SPIE 2188, High-Speed Networking and Multimedia Computing, (1 April 1994); https://doi.org/10.1117/12.171694

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