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Iterative Decoding of LDPC-RS-Coded Multiple Description Image

  • Saikat Majumder
  • Shrish Verma
  • Bibhudendra AcharyaEmail author
Conference paper

Abstract

LDPC-RS product code has emerged as a promising technique for error correction in cloud transmission of multimedia information because of its superior error correcting capabilities. In this paper, an iterative decoding scheme is proposed for forward error correction-based multiple description (FEC-based MDC) image transmitted over wireless channel. In this scheme, an image is encoded using two-dimensional (2-D) product code based on Reed–Solomon (RS) code and low-density parity check (LDPC) code. At the receiver, LDPC decoder passes hard decisions to RS decoder. RS decoder, in turn, returns back information about the correctly decoded RS codewords. This helps in improving the decoding performance of LDPC code at next iteration. Thus, with subsequent iterations, PSNR of the received image improves. Simulation results show that the proposed scheme significantly outperforms existing schemes in the literature.

Keywords

Multiple description coding Iterative decoding LDPC code Reed–Solomon code 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Saikat Majumder
    • 1
  • Shrish Verma
    • 1
  • Bibhudendra Acharya
    • 1
    Email author
  1. 1.Department of Electronics and TelecommunicationNational Institute of TechnologyRaipurIndia

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