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Neural network interpretation of aeromagnetic data

  • US 5,355,313 A
  • Filed: 10/25/1991
  • Issued: 10/11/1994
  • Est. Priority Date: 10/25/1991
  • Status: Expired due to Fees
First Claim
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1. A computer implemented method for studying structural anomalies along aeromagnetic traces comprising the steps of:

  • providing a neural network having at least input, intermediate and output layers;

    forming at least one two-dimensional profile magnetic basement structural model, each said at least one model having a range of geometric dimension approximating an area to be studied;

    reprocessing aeromagnetic survey profiles to remove erroneous readings and the International Geomagnetic Reference Field;

    windowing said profiles for input into the network;

    training the neural network through weight adjustment using computer generated magnetic profiles from basement structures representative of those anticipated to be found in the basin of interest;

    testing the trained network on aeromagnetic profiles where basement structures are already known from other means to validate the network; and

    applying the network to recorded aeromagnetic profiles over an unknown portion of the basin.

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