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Article Navigation> JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY> 2002> 11(2): 164-168
YANG Shou yi, LUO Wei xiong. Technique of Error Concealment for Block-Based Image Coding Using Genetic Algorithm[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2002, 11(2): 164-168.
Citation: YANG Shou yi, LUO Wei xiong. Technique of Error Concealment for Block-Based Image Coding Using Genetic Algorithm[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2002, 11(2): 164-168.
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Technique of Error Concealment for Block-Based Image Coding Using Genetic Algorithm

  • 1.

    Department of Electronics Engineering, Beijing Institute of Technology, Beijing100081, China; Department of Electronics Engineering, Zhengzhou University, Zhengzhou 450052, China

  • 2.

    Department of Electronics Engineering, Beijing Institute of Technology, Beijing100081, China

Funds:SponsoredbyMinisterialLevelFoundation
  • Received Date:2001-10-08
    Abstract
  • Since real world communication channels are not error free, the coded data transmitted on them may be corrupted, and block based image coding systems are vulnerable to transmission impairment. So the best neighborhood match method using genetic algorithm is used to conceal the error blocks. Experimental results show that the searching space can be greatly reduced by using genetic algorithm compared with exhaustive searching method, and good image quality is achieved. The peak signal noise ratios(PSNRs) of the restored images are increased greatly.
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