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Person detection in a marine environment

  • US 10,372,976 B2
  • Filed: 05/05/2016
  • Issued: 08/06/2019
  • Est. Priority Date: 05/05/2016
  • Status: Active Grant
First Claim
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1. An object detection system for a marine vessel having at least one marine drive, the object detection system comprising:

  • at least one image sensor positioned on the marine vessel and configured to capture an image of a first marine environment around the marine vessel, wherein the first marine environment is a water surface behind the marine vessel and the at least one image sensor is a visible light camera positioned on the marine vessel at an angle and distance from the water surface;

    a processor; and

    an image scanning module executable on the processor and configured to receive the image as input and output information regarding a presence or absence of a person located in the first marine environment, the image scanning module comprising an artificial neural network trained to detect patterns within the image of the first marine environment associated with a person located behind the marine vessel, and to output detection information regarding the presence or absence of the person within the image of the first marine environment;

    wherein the artificial neural network of the image scanning module is trained using positive and negative training images of objects on a water surface having a range of view angles and fields of view that approximate the angle and distance from the water surface of the image sensor positioned on the marine vessel.

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