A novel error concealment method for images using watermarking in error-prone channels

Kan Gür, Fatih Alagöz, Mohammed Abdelhafez

Research output: Chapter in Book/Report/Conference proceedingConference contribution

17 Citations (Scopus)

Abstract

In this paper, we propose a new error concealment method for covering up the high packet losses of an original image after its transmission through an error-prone channel. Error-concealment techniques provide a simple framework to compensate these distortions without incurring additional delays and wasting bandwidth resources which are crucial for real-time applications over networks with limited resources. Unfortunately, most of the existing error-concealment techniques work only if the packet losses are smaller than a threshold and/or they are uniformly distributed. Utilizing data hiding techniques is a potential approach to overcome this restriction. We investigated an error concealment technique utilizing discrete wavelet transform (DWT) for embedding macroblock-based BNM (best-neighborhood-matching) information into the original image in order to utilize spatial redundancy. We propose that this technique can be implemented for error-prone channels to combat such degradations in a backward-compatible scheme. We show that the proposed error concealment technique is a promising one, especially for the erroneous channels causing a wider range of packet losses, at the expense of some degradation In the perceptual quality of the original image.

Original languageEnglish
Title of host publication2005 IEEE 16th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2005
Pages2637-2641
Number of pages5
Publication statusPublished - 2005
Event2005 IEEE 16th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2005 - Berlin, Germany
Duration: Sep 11 2005Sep 14 2005

Publication series

NameIEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC
Volume4

Other

Other2005 IEEE 16th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2005
Country/TerritoryGermany
CityBerlin
Period9/11/059/14/05

Keywords

  • Error concealment
  • Error-prone channels
  • Watermarking

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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