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Apparatus and methods for estimating time-state physiological parameters

  • US 9,521,962 B2
  • Filed: 07/26/2016
  • Issued: 12/20/2016
  • Est. Priority Date: 07/25/2011
  • Status: Active Grant
First Claim
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1. A method of estimating a value of a physiological parameter for a subject at a selected metabolic state, the method comprising:

  • obtaining, via a device located a distance from the subject, a value of the physiological parameter of the subject at a time-of-day, wherein the device comprises a camera configured to measure heart rate, breathing rate, and/or physical activity of the subject; and

    estimating the value of the physiological parameter for the subject at the selected metabolic state by applying a time-dependent relationship function to the obtained physiological parameter value via at least one processor, wherein the selected metabolic state is different from a current metabolic state of the subject.

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