Hybrid Error Concealment Algorithm for Intra-Frame in H.264 


Vol. 31,  No. 8, pp. 777-785, Aug.  2006


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  Abstract

H.264 is the prominent video coding standard in various applications such as real-time video streaming and digital multimedia broadcasting, since it provides enhanced compression performance, error resilience tools, and network adaptation. Since compressed video stream is vulnerable to packet loss, error resilience and error concealment(EC) tools are essential for the transmission of video over the Internet. In this paper, we first propose a simple temporal EC method that improves the EC performance for intra-frame in H.264 when the amount of motion is relatively small. Then we propose a new hybrid EC method for intra-frame in H.264, which combines the spatial EC and temporal EC adaptively. The simulations are performed in packet-lossy environments, and the proposed hybrid EC method shows about 0.5~4dB PSNR improvement compared to the conventional spatial EC method that is used for intra-frame in H.264.

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  Cite this article

[IEEE Style]

C. Yim, W. Kim, H. Lim, "Hybrid Error Concealment Algorithm for Intra-Frame in H.264," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 8, pp. 777-785, 2006. DOI: .

[ACM Style]

Changhoon Yim, Wonjung Kim, and Hyesook Lim. 2006. Hybrid Error Concealment Algorithm for Intra-Frame in H.264. The Journal of Korean Institute of Communications and Information Sciences, 31, 8, (2006), 777-785. DOI: .

[KICS Style]

Changhoon Yim, Wonjung Kim, Hyesook Lim, "Hybrid Error Concealment Algorithm for Intra-Frame in H.264," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 8, pp. 777-785, 8. 2006.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880