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Method and system for signal processing using a sparse approximation of the S-transform

  • US 7,401,006 B2
  • Filed: 05/31/2006
  • Issued: 07/15/2008
  • Est. Priority Date: 05/31/2005
  • Status: Active Grant
First Claim
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1. A method for processing signal data indicative of a characteristic of an object comprising:

  • receiving the signal data;

    transforming the signal data into second signal data within a Stockwell domain based upon a sparse approximation of an S-transform of the signal data;

    processing the second signal data within the Stockwell domain to extract features therefrom;

    generating third signal data indicative of the extracted features; and

    ,providing the third data.

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