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System, method and apparatus for clustering features using an expansion shape

  • US 7,764,840 B2
  • Filed: 04/08/2009
  • Issued: 07/27/2010
  • Est. Priority Date: 07/07/2004
  • Status: Expired due to Fees
First Claim
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1. A computer implemented method for identifying a cluster of data points, the method comprising:

  • mapping each of the data points into a bitmap by, for each data point, initially setting a bit in the bitmap that corresponds to that data point on the computer; and

    applying a plurality of expansion shapes to the initially set bits on the computer, wherein each of said plurality of expansion shapes is applied in a one to one correspondence to each of the initially set bits, wherein said applying an expansion shape includessetting each of the bits within the expansion shape.

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