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Real time machine vision and point-cloud analysis for remote sensing and vehicle control

  • US 10,549,768 B2
  • Filed: 10/23/2017
  • Issued: 02/04/2020
  • Est. Priority Date: 11/27/2013
  • Status: Active Grant
First Claim
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1. A method of localizing a vehicle by a computing platform installed within the vehicle, the method comprising:

  • determining an initial geographical position of the vehicle based on output of a global positioning system receiver installed in the vehicle;

    querying a local map cache stored within the vehicle, the local map cache storing a local map of assets comprising, for each asset;

    a location of the asset, properties associated with the asset, and one or more relationships relative to other assets;

    the local map cache queried to identify assets previously mapped near the initial geographical position;

    extracting one or more features, and a location relative to the vehicle, of assets observed within the vicinity of the vehicle using local environment sensors installed in the vehicle; and

    determining a second vehicle position that is refined relative to the initial geographical position of the vehicle, by comparing the extracted features of said assets observed within the vicinity of the vehicle with asset information retrieved from the local map cache.

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