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RETRACTED ARTICLE: Edge-Oriented Spatial Interpolation for Error Concealment of Consecutive Blocks

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An Erratum to this article was published on 30 November 2020

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Abstract

This paper proposes a low-complexity spatial-domain error concealment (EC) algorithm for recovering consecutive blocks error in still images or intra-coded (I) frames of video sequences. The proposed algorithm works with the following steps. Firstly the Sobel operator is performed on the top and bottom adjacent pixels to detect the most probable edge direction of current block area. After that one-dimensional (1-D) matching is used on the available block boundaries. Displacement between edge direction candidate and most probable edge direction is taken into consideration as an important factor to improve stability of 1-D boundary matching. Then the corrupted pixels are recovered by linear weighting interpolation along the estimated edge direction. Finally the interpolated values are merged to get last recovered picture. Simulation results demonstrate that the proposed algorithms obtain good subjective quality and higher PSNR than the methods in literatures for most images.

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Change history

  • 30 November 2020

    Retraction: Wei Fu and Guang-Zhong Xing. Edge-Oriented Spatial Interpolation for Error Concealment of Consecutive Blocks. Journal of Computer Science and Technology 2007, 22(3): 494-inside back cover. DOI: 10.1007/s11390-007-9044-4.

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Author information

Authors and Affiliations

  1. Department of Electronic Engineering, Yanshan University, Qinhuangdao, 066004, China

    Wei Fu

  2. Department of Material Science, Yanshan University, Qinhuangdao, 066004, China

    Wei Fu & Guang-Zhong Xing

Authors
  1. Wei Fu
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  2. Guang-Zhong Xing
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Corresponding author

Correspondence to Wei Fu.

Additional information

This research is supported by the Natural Science Doctor’s Foundation of Hebei Province of China under Grant No. B2004129.

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Fu, W., Xing, GZ. RETRACTED ARTICLE: Edge-Oriented Spatial Interpolation for Error Concealment of Consecutive Blocks. J Comput Sci Technol 22, 494–497 (2007). https://doi.org/10.1007/s11390-007-9044-4

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  • DOI: https://doi.org/10.1007/s11390-007-9044-4

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