METHOD AND APPARATUS FOR OIL SPILL DETECTION
First Claim
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1. A method for detecting presence of hydrocarbons on a surface, comprising:
- monitoring reflected atmospheric radiation and surface emission from the surface;
detecting the presence of hydrocarbons based on the reflected atmospheric radiation and the surface emission; and
generating an alert based on the presence of hydrocarbons.
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Abstract
The invention relates to a method for detecting the presence of hydrocarbons near an unmanned offshore oil platform. The method steps include monitoring reflected atmospheric and thermal radiation, detecting the presence of hydrocarbons, and generating an alert based on the presence of hydrocarbons.
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Citations
36 Claims
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1. A method for detecting presence of hydrocarbons on a surface, comprising:
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monitoring reflected atmospheric radiation and surface emission from the surface; detecting the presence of hydrocarbons based on the reflected atmospheric radiation and the surface emission; and generating an alert based on the presence of hydrocarbons. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for detecting presence of hydrocarbons on a surface, comprising:
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monitoring surface emission from the surface in an infrared band; providing a model for modeling emissivity contrast of the surface emission, wherein the emissivity contrast is induced by the presence of hydrocarbons on the surface; detecting the presence of hydrocarbons from the surface emission based on the model; and generating an alert based on the presence of hydrocarbons. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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22. A system for detecting presence of hydrocarbons on a surface, comprising:
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a plurality of sensors for monitoring reflected atmospheric radiation and surface emission from the surface; and a memory and a processor, embodying instructions stored in the memory and executable by the processor, the instructions comprising functionality to; detect the presence of hydrocarbons based on the reflected atmospheric radiation and the surface emission according to a decision tree, wherein the decision tree is based on a model for modeling radiance contrast of the reflected atmospheric radiation and the surface emission in at least one selected from a group consisting of daytime condition, nighttime condition, and pre-determined weather condition, wherein the radiance contrast is induced by the presence of hydrocarbons on the surface and comprises at least one selected from a group consisting of reflection contrast, temperature contrast, and emissivity contrast; and generate an alert based on the presence of hydrocarbons. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30)
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31. A system for detecting presence of hydrocarbons on a surface, comprising:
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a plurality of sensors for monitoring surface emission from the surface in an infrared band; and a memory and a processor, embodying instructions stored in the memory and executable by the processor, the instructions comprising functionality to; detect the presence of hydrocarbons based on the surface emission using 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 comprises at least one selected from a group consisting of temperature contrast, spectral contrast and thickness contrast; and generate an alert based on the presence of hydrocarbons. - View Dependent Claims (32, 33, 34, 35, 36)
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Specification