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A new unequal error protection scheme based on FMO

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Abstract

This paper presents a novel scheme for video transmission over error-prone networks. The proposed scheme exploits the error resilient features of H.264/AVC and employs an unequal error protection (UEP) approach to protect effectively the streams. A novel algorithm is proposed to classify macroblocks into slice groups using the explicit mode of Flexible Macroblock Ordering (FMO). A rate distortion optimized algorithm is used to assign unequal amounts of FEC protection to the resulting slice groups according to their importance. In addition, a Converged Motion Estimation (CME) is proposed to further improve the proposed UEP scheme. The idea behind the CME is to make the macroblocks be referenced in a skewed manner, such that highly important macroblocks are converged on only a few and the use of redundancy for error protection is efficient. Simulation results show the superiority of the proposed method over other approaches for transmission of H.264/AVC streams.

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Acknowledgements

This work was supported in part by grants from the National Science Council of Taiwan under Contracts NSC 96-2221-E-009-162-MY2.

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Authors and Affiliations

  1. Department of Computer Science, National Chiao-Tung University, Hsinchu, Taiwan, Republic of China

    Jhong-Yu Shih & Wen-Jiin Tsai

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  1. Jhong-Yu Shih
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  2. Wen-Jiin Tsai
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Correspondence to Wen-Jiin Tsai.

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Shih, JY., Tsai, WJ. A new unequal error protection scheme based on FMO. Multimed Tools Appl 47, 461–476 (2010). https://doi.org/10.1007/s11042-009-0333-5

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