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Apparatus and method for recovery of lost/damaged data in a bitstream of data based on compatibility of adjacent blocks of data

  • US 6,263,108 B1
  • Filed: 07/06/1998
  • Issued: 07/17/2001
  • Est. Priority Date: 10/23/1997
  • Status: Expired due to Term
First Claim
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1. A method for receiving lost/damaged data in a bitstream of encoded data comprising the steps of:

  • generating a plurality of candidate decodings for a group of related blocks within the bit stream;

    generating at least one internal correlation measure for each block based upon at least an image portion of the candidate decodings to determine the intra-block correlation of adjacent pixels within the block;

    determining an external measure compatibility between adjacent blocks of each block from the group of blocks to determine the inter-block compatibility;

    combining the internal correlation measure of the block and the external compatibility measure of related blocks to generate a combined measure of the intra-block correlation and the inter-block compatibility; and

    selecting a candidate decoding from the plurality of candidate decodings based upon the combined measure.

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