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Signature recognition system and method

  • US 20040047495A1
  • Filed: 09/08/2003
  • Published: 03/11/2004
  • Est. Priority Date: 01/13/1999
  • Status: Active Grant
First Claim
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1. A method of authenticating a signature, comprising the steps of:

  • sampling a signature and storing data representative of the signature;

    converting said data to high dimension vectors using a recursive sampling process;

    feeding the high dimension vectors to an unsupervised neural network and performing a high order principal component extraction process on the high dimension vectors by cumulative orthonormalization, thereby identifying clusters of high dimension points; and

    analyzing the clusters of high dimension points to determine, based on previously stored information, the authenticity of the signature.

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