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Error detection based on MB types

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Abstract

This paper proposes a method of error detection based on macroblock (MB) types for video transmission. For decoded inter MBs, the absolute values of received residues are accumulated. At the same time, the intra textural complexity of the current MB is estimated by that of the motion compensated reference block. We compare the inter residue with the intra textural complexity. If the inter residue is larger than the intra textural complexity by a predefined threshold, the MB is considered to be erroneous and errors are concealed. For decoded intra MBs, the connective smoothness of the current MB with neighboring MBs is tested to find erroneous MBs. Simulation results show that the new method can remove those seriously-corrupted MBs efficiently. Combined with error concealment, the new method improves the recovered quality at the decoder by about 0.5–1 dB.

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Authors and Affiliations

  1. National Key Lab on ISN, Xidian University, Xi’an, 710071, China

    Yong Fang & ChengKe Wu

  2. College of Electronics and Communications Engineering, Hanyang University, Seoul, 133791, Korea

    Yong Fang & JeChang Jeong

Authors
  1. Yong Fang
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  2. JeChang Jeong
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  3. ChengKe Wu
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Corresponding author

Correspondence to Yong Fang.

Additional information

Supported by the BK21 Foundation of Korea and the National Natural Science Foundation of China (Grant Nos. 60532060, 60672117 and 60607010)

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Fang, Y., Jeong, J. & Wu, C. Error detection based on MB types. Sci. China Ser. F-Inf. Sci. 51, 433–439 (2008). https://doi.org/10.1007/s11432-008-0029-x

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  • DOI: https://doi.org/10.1007/s11432-008-0029-x

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