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Method and apparatus for oil spill detection

  • US 8,362,429 B2
  • Filed: 11/01/2011
  • Issued: 01/29/2013
  • Est. Priority Date: 08/10/2007
  • Status: Expired due to Fees
First Claim
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1. A method for detecting presence of hydrocarbons on a surface, comprising:

  • monitoring surface emission from the surface in an infrared band;

    obtaining a model for modeling emissivity contrast of the surface emission, wherein the emissivity contrast is induced by the presence of hydrocarbons on the surface, and wherein the model comprises a monotonic emissivity/wavelength dependency and a non-monotonic emissivity/wavelength dependency;

    identifying the non-monotonic emissivity/wavelength dependency from the surface emission;

    detecting, in response to identifying the non-monotonic emissivity/wavelength dependency, the presence of hydrocarbons from the surface emission based on the model; and

    generating an alert based on the presence of hydrocarbons.

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