HEALTH MONITORING SYSTEMS AND METHODS
Systems, methods and devices for reducing noise in health monitoring including monitoring systems, methods and/or devices receiving a health signal and/or having at least one electrode or sensor for health monitoring.
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3 . A method of generating one or more of a pulse shape template or a dataset representing a pulse shape, the method comprising;
using green wavelengths, an ensemble average of green over approximately the same amount of time as for either red or IR, an ensemble average of multiple wavelengths over approximately the same amount of time as for either red or IR, or an ensemble average of multiple wavelengths over significantly longer than the amount of time as for either red or IR.
4 . A method for determining pulse oxygenation; including:
generating one or more of a first pulse shape template or a dataset representing a first pulse shape as in claim 3 , including using green wavelengths, an ensemble average of green over approximately the same amount of time as for either red or IR, an ensemble average of multiple wavelengths over approximately the same amount of time as for either red or IR, or an ensemble average of multiple wavelengths over significantly longer than the amount of time as for either red or IR; or a long time average of a single wavelength of any color.
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27 . A system using the device according to claim 28 further including a computer.
28 . A device using the method of claim 3 and:
selecting a possible gain value,
multiplying the average frame signal by it, and
determining the residual error with respect to an average frame of a different wavelength;
whereby the gain between red and infrared (IR) frame signals are found by:
generating one or more of green or other color PPG signals or a long time average of red/IR;
including the one or more of green or other color PPG signals or the long time average of red/IR with the red and IR frame signals to create two frames;
averaging the two frames together first to provide a signal with reduced noise;
performing linear regression of the red versus combined with green or long time average of red/IR and IR versus combined with green or long time average of red/IR; or linear regression of red versus green or long time average of red/IR and IR versus green or long time average of red/IR; or linear regression by combining green or long time average of red/IR with each of red and IR and using the ratio of these results; and
then finding the ratio of the two corresponding results.
29 . A device according to claim 28 using a wearable health monitoring device.
30 . A method according to claim 28 using software and computer hardware to determine the oxygen saturation.
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