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Systems and methods for video-based monitoring of vital signs

  • US 10,398,353 B2
  • Filed: 02/14/2017
  • Issued: 09/03/2019
  • Est. Priority Date: 02/19/2016
  • Status: Active Grant
First Claim
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1. A video-based method of measuring a patient'"'"'s vital sign, comprising:

  • receiving a video signal from a video camera, the video signal having a field of view that includes exposed skin of a patient;

    extracting from the video signal a time-varying color signal for each of a plurality of regions, each region including exposed skin of the patient;

    identifying a frequency content of each color signal;

    selecting two or more non-adjacent, non-overlapping regions that have a shared frequency content comprising a modulation at a shared frequency;

    combining the color signals of the selected regions;

    measuring a vital sign from the combined color signal; and

    outputting the vital sign for further processing or display.

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