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Detecting road condition changes from probe data

  • US 9,881,497 B2
  • Filed: 05/16/2016
  • Issued: 01/30/2018
  • Est. Priority Date: 12/11/2014
  • Status: Active Grant
First Claim
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1. A method comprising:

  • identifying, using a processor, a set of vehicle probe data associated with a roadway location;

    performing, using the processor, a comparison of the set of vehicle probe data to a baseline for the roadway location;

    dividing, using the processor, the set of vehicle probe data into a sparse subset and a low rank subset, wherein the sparse subset includes abnormalities or corrupted values with respect to the baseline; and

    identifying, using the processor, a change at the roadway location based on vehicle probe data in the sparse subset.

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