Meta platforms technologies, llc (20240319797). UTILIZING COINCIDENTAL MOTION INDUCED SIGNALS IN PHOTOPLETHYSMOGRAPHY FOR GESTURE DETECTION simplified abstract

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UTILIZING COINCIDENTAL MOTION INDUCED SIGNALS IN PHOTOPLETHYSMOGRAPHY FOR GESTURE DETECTION

Organization Name

meta platforms technologies, llc

Inventor(s)

Ilkka Korhonen of Hankasalmi (FI)

Paurakh Rajbhandary of San Jose CA (US)

UTILIZING COINCIDENTAL MOTION INDUCED SIGNALS IN PHOTOPLETHYSMOGRAPHY FOR GESTURE DETECTION - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240319797 titled 'UTILIZING COINCIDENTAL MOTION INDUCED SIGNALS IN PHOTOPLETHYSMOGRAPHY FOR GESTURE DETECTION

Simplified Explanation: The patent application discusses techniques for utilizing motion artifacts in photoplethysmography (PPG) signals, specifically focusing on separating physiological signals from motion artifact signals to identify hand or finger gestures of the wearer of a wearable device.

  • The techniques involve obtaining a set of PPG signals using light emitters and detectors on a wearable device.
  • The set of PPG signals is then separated into physiological and motion artifact portions.
  • Hand or finger gestures of the wearer are identified based on the motion artifact portion of the PPG signals.

Key Features and Innovation:

  • Utilizing motion artifacts in PPG signals for gesture recognition.
  • Separating physiological signals from motion artifact signals.
  • Enhancing the functionality of wearable devices through gesture identification.

Potential Applications:

  • Healthcare monitoring devices.
  • Fitness trackers.
  • Biometric security systems.

Problems Solved:

  • Accurate gesture recognition using PPG signals.
  • Improved user interaction with wearable devices.
  • Enhanced data collection for health and fitness tracking.

Benefits:

  • Precise gesture identification.
  • Seamless user experience.
  • Enhanced data accuracy for health monitoring.

Commercial Applications:

  • "Motion Artifact Utilization in PPG Signals for Gesture Recognition: Innovations in Wearable Technology"

Questions about Motion Artifact Utilization in PPG Signals: 1. How does separating physiological signals from motion artifact signals improve gesture recognition accuracy? 2. What are the potential limitations of using motion artifacts in PPG signals for gesture identification?

Frequently Updated Research: Ongoing research in the field of wearable technology and biometric sensors may provide further advancements in utilizing motion artifacts for gesture recognition in PPG signals.


Original Abstract Submitted

techniques for utilizing motion artifacts in photoplethysmography (ppg) signals are provided. in some embodiments, the techniques involve obtaining a set of ppg signals, the set of ppg signals acquired using one or more light emitters and one or more light detectors disposed in or on a portion of a wearable device. in some embodiments, the techniques involve separating the set of ppg signals into at least a physiological portion of the set of ppg signals and a motion artifact portion of the set of ppg signals. in some embodiments, the techniques involve identifying at least one hand or finger gesture of a wearer of the wearable device based at least in part on the motion artifact portion of the set of ppg signals.

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