Iterative joint source-channel decoding using turbo codes for MPEG-4 video transmission

  title={Iterative joint source-channel decoding using turbo codes for MPEG-4 video transmission},
  author={Xiaofeng Ma and William E. Lynch},
  journal={2004 IEEE International Conference on Acoustics, Speech, and Signal Processing},
This paper presents a novel iterative joint source-channel decoding scheme for MPEG-4 video transmission over noisy channels. The proposed scheme, on one hand, utilizes the channel soft outputs generated by the turbo decoder to assist video decompression. On the other hand, the syntactic/semantic information from the video decompressor is used to modify the extrinsic information so as to improve the error correction capability of the turbo decoder. With the proposed video packet mixer, the… CONTINUE READING


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