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Spatial Error Concealment Based on Edge Visual Clearness for Image/Video Communication

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Abstract

In this paper, we propose a technique for concealing missing image/video blocks based on the concept of visual clearness of an edge. A scanning procedure based on the Hough transform allows us to find the relevant edges, and the visually clearest ones are employed in an interpolation based reconstruction. Specifically, several interpolations are combined according to a set of weights which allows the reconstruction of more complex textures. These weights are derived from the visual clearness associated to an edge and are unique for every pixel within the missing macroblock. The resulting algorithm is quite efficient, simple, and competitive in comparison with other state-of-the-art techniques.

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Notes

  1. Implementations of most of these techniques, as well as the implementation of our algorithm, is available online at [20].

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Acknowledgements

This work has been supported by the Spanish MEC/FEDER project TEC2010-18009.

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Authors and Affiliations

  1. Department of Signal Theory, Networking and Communications and CITIC-UGR, Universidad de Granada, 18071, Granada, Spain

    Ján Koloda, Victoria Sánchez & Antonio M. Peinado

Authors
  1. Ján Koloda
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  2. Victoria Sánchez
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  3. Antonio M. Peinado
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Correspondence to Ján Koloda.

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Koloda, J., Sánchez, V. & Peinado, A.M. Spatial Error Concealment Based on Edge Visual Clearness for Image/Video Communication. Circuits Syst Signal Process 32, 815–824 (2013). https://doi.org/10.1007/s00034-012-9504-0

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  • DOI: https://doi.org/10.1007/s00034-012-9504-0

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