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Hierarchical update scheme for extremum location

  • US 7,707,213 B2
  • Filed: 02/21/2007
  • Issued: 04/27/2010
  • Est. Priority Date: 02/21/2007
  • Status: Active Grant
First Claim
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1. A method for generating data comprising:

  • partitioning, by a processing device, data values of a base level into first partitions wherein the data values are stored in memory;

    generating, by the processing device, a first level including second partitions, each of the second partitions including a respective extreme data value from each of the first partitions;

    generating, by the processing device, an apex including at least one extreme data value from the second partitions of the first level that also corresponds to an extremum of the base level; and

    updating, by the processing device, the first level if at least one partition of the first partitions receives a new extreme data value,wherein the new extreme data value is stored in the apex if the new extreme data value comprises a new extremum of the base level.

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