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Method, apparatus, and system for enhancing robustness of predictive video codecs using a side-channel based on distributed source coding techniques

  • US 8,331,445 B2
  • Filed: 05/27/2005
  • Issued: 12/11/2012
  • Est. Priority Date: 06/01/2004
  • Status: Active Grant
First Claim
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1. A wireless communication device comprising:

  • a predictive encoder configured to receive an input signal, encode the signal according to a predictive encoding technique, and output a predictive encoded bit-stream;

    a secondary channel encoder configured to receive the input signal, encode the signal according to a secondary channel encoding technique, and output a secondary channel encoded bit-stream, wherein the secondary channel encoder comprises;

    a distortion statistics calculator configured to calculate an expected distortion for a current video block based on data associated with the current video block and a packet loss probability; and

    an encoder module configured to generate the secondary channel encoded-bit stream based on the expected distortion for the current video block.

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