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Method and apparatus for locating objects using parametric inversion

  • US 6,700,381 B2
  • Filed: 04/08/2002
  • Issued: 03/02/2004
  • Est. Priority Date: 04/08/2002
  • Status: Expired due to Fees
First Claim
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1. A method for locating a target object, at least a portion of which is buried, comprising:

  • injecting a signal into the target object;

    receiving a magnetic field radiated from the target object;

    determining parameters in a parametric magnetic field distribution model corresponding to the target object and at least one other object so that the difference between the model and the received magnetic field minimizes a preselected cost function; and

    locating the target object using parameters from said parametric magnetic field distribution model.

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