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Medical environment monitoring system

  • US 10,229,491 B1
  • Filed: 07/14/2016
  • Issued: 03/12/2019
  • Est. Priority Date: 10/16/2012
  • Status: Active Grant
First Claim
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1. A system for monitoring a medical care environment, the system comprising:

  • an imaging device having an imaging plane, the imaging device configured to receive a plurality of depth frame images comprising a plurality of pixels, the plurality of depth frame images representing a three-dimensional environment corresponding to a physical space, the physical space including at least one of a bed or a seating platform;

    at least one computing device in communication with the imaging device, the at least one computing device including;

    a memory configured to store one or more modules;

    a processor coupled to the memory, the processor configured by a fusion engine and the one or more modules to cause the processor to;

    generate a depth mask representing the physical space based upon the plurality of depth frame imagesidentify, via one or more object location algorithms, at least one of a plurality of potential bed locations or a plurality of potential seating platform locations based upon the depth mask;

    identify, via one or more object identification algorithms, one or more first pixels of the plurality of pixels as representing the at least one of the bed or the seating platform based upon the at least one of the plurality of potential bed locations or the plurality of potential seating platform locations;

    identify one or more second pixels of the plurality of pixels as representing a portion of a body of a subject proximate to the at least one of the bed or the seating platform;

    process, via a first processing technique, the one or more second pixels to generate a first possible orientation signal of the portion of the body with respect to the image plane, the first possible orientation signal representing a position of the portion of the body with respect to the at least one of the bed or the seating platform;

    process, via a second processing technique via the fusion engine, the one or more second pixels to generate a second possible orientation signal of the portion of the body with respect to the image plane, the second possible orientation signal representing the position of the portion of the body with respect to the at least one of the bed or the seating platform;

    determine a probability distribution based upon the first possible orientation signal and the second possible orientation signal via the fusion engine;

    determine a transitional state of the subject based upon the probability distribution; and

    issue an electronic communication alert based upon the determined transitional state of the subject.

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