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Multimedia compression system with additive temporal layers

  • US 7,082,164 B2
  • Filed: 05/20/2002
  • Issued: 07/25/2006
  • Est. Priority Date: 03/17/1997
  • Status: Expired due to Fees
First Claim
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1. A method used in compressing data, the method comprising:

  • converting data into a series of data vectors;

    making a prediction of a current data vector based at least in part on one previous data vector;

    segmenting the current data vector into a plurality of sub-vectors; and

    mapping, using a hierarchical lookup table comprising a plurality of lookup tables, the plurality of sub-vectors to a set of codes by successive utilization of the plurality of lookup tables in stages so that one of the codes is generated in response to each of the sub-vectors wherein the set of codes comprise codes of different lengths.

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