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TERRAIN TYPE INFERENCE FROM WEARABLE WITH MOTION SENSING

  • US 20160058372A1
  • Filed: 09/30/2014
  • Published: 03/03/2016
  • Est. Priority Date: 09/02/2014
  • Status: Abandoned Application
First Claim
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1. A method comprising:

  • obtaining, by at least one sensor of a fitness tracking device, motion data of a user of the fitness tracking device;

    separating, by the fitness tracking device, the motion data into at least a first frequency signature attributable to movement by the user and a second frequency signature attributable to a type of a terrain on which the user is moving;

    determining, by the fitness tracking device, the type of the terrain on which the user is moving by analyzing the first frequency signature and the second frequency signature; and

    estimating, by the fitness tracking device, a rate of energy expenditure of the user by applying a calorimetry model comprising a coefficient or a parameter associated with the type of the terrain.

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