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SONAR IMAGING

  • US 20140079287A1
  • Filed: 09/18/2013
  • Published: 03/20/2014
  • Est. Priority Date: 09/18/2012
  • Status: Active Grant
First Claim
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1. A method for recognising a target in a sonar image, the method comprising the steps of:

  • normalising a sonar image;

    at least one of using or defining multiple test objects;

    rotating each test object between multiple positions;

    using a projection of each test object in each position as a template, so that multiple templates are provided for each test object, each template corresponding to a different rotational position;

    applying the multiple templates for the multiple test objects to the normalised image; and

    creating at least one feature vector for the image for use in target recognition.

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