Patent US10474244

Methods and systems for monitoring and influencing gesture-based behaviors
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US10474244

1. A gesture recognition method comprising: (6) (2)

obtaining sensor data collected using at least two different types of sensors located on a wearable device, wherein said wearable device is configured to be worn by a user, the at least two different types of sensors comprise an accelerometer and a gyroscope, and wherein the sensor data comprises an acceleration vector obtained from the accelerometer and an angular velocity vector obtained from the gyroscope; and

analyzing the sensor data by evaluating a magnitude of the acceleration vector and a magnitude of the angular velocity vector and determining a correlation between the magnitudes of the acceleration vector and angular velocity vector within different temporal periods to determine a likelihood of the user performing a predefined gesture, wherein the likelihood is determined without comparing the acceleration vector and the angular velocity vector to one or more physical motion profiles.

2. The method of claim 1, wherein the predefined gesture is selected from a group of different gestures associated with different activities including the user smoking or about to smoke a cigarette, eating, drinking, or taking medication. (0)

3. The method of claim 1, further comprising: (1) calculating a pitch angle, roll angle, or yaw angle of the wearable device based on at least the acceleration vector or the angular velocity vector, and (2) determining the likelihood of the user performing the predefined gesture based on the calculated angle(s). (1) (0)

4. The method of claim 3, wherein the sensor data comprises a plurality of features encoded within said sensor data, and wherein the plurality of features are associated with various aspects of the predefined gesture. (3) (0)

9. The method of claim 1, wherein the at least two different types of sensors further comprise one or more of the following: a magnetometer, a heart rate monitor, a global positioning system (GPS) receiver, a barometer, an external temperature sensor, a microphone, a skin temperature sensor, a capacitive sensor, a sensor configured to detect a galvanic skin response, an imaging device, a proximity sensor, an altitude sensor, an attitude sensor, a humidity sensor, a vibration sensor, an infrared sensor, or an audio sensor. (0)

10. The method of claim 1, wherein the wearable device comprises one or more of the following: smartwatches, wristbands, gloves, smart rings, or armbands. (0)

11. The method of claim 1, wherein the analyzing of the sensor data is carried out with aid of one or more processors onboard the wearable device. (0)

12. The method of claim 1, wherein the analyzing of the sensor data is carried out with aid of one or more processors onboard a user device or a remote server in communication with the wearable device, wherein the user device and the remote server are provided separate from the wearable device. (1) (0)

14. A system for implementing gesture recognition, comprising: (6) (2)

a memory for storing sensor data collected using at least two different types of sensors located on a wearable device, wherein said wearable device is configured to be worn by a user, the at least two different types of sensors comprise an accelerometer and a gyroscope, and wherein the sensor data comprises an acceleration vector obtained from the accelerometer and an angular velocity vector obtained from the gyroscope; and

one or more processors configured to analyze the sensor data by evaluating a magnitude of the acceleration vector and a magnitude of the angular velocity vector and determining a correlation between the magnitudes of the acceleration vector and angular velocity vector within different temporal periods to determine a likelihood of the user performing a predefined gesture, wherein the likelihood is determined without comparing the acceleration vector and the angular velocity vector to one or more physical motion profiles.

15. The system of claim 14, wherein the predefined gesture is selected from a group of different gestures associated with different activities including the user smoking or about to smoke a cigarette, eating, drinking, or taking medication. (0)

16. The system of claim 14, wherein the one or more processors are configured to (1) calculate a pitch angle, roll angle, or yaw angle of the wearable device based on at least the acceleration vector or the angular velocity vector, and (2) determine the likelihood of the user performing the predefined gesture based on the calculated angle(s). (1) (0)

17. The system of claim 16, wherein the sensor data comprises a plurality of features encoded within said sensor data, and wherein the plurality of features are associated with various aspects of the predefined gesture. (3) (0)

18. The system of claim 17, wherein the one or more processors are configured to analyze the sensor data by calculating a multi-dimensional distribution function, wherein said multi-dimensional distribution function is a probability function of the plurality of features. (0)

19. The system of claim 17, wherein the plurality of features comprise two or more of the following features: (1) a time duration of a submotion during the gesture; (2) the magnitude of the acceleration vector; (3) the magnitude of the angular velocity vector; (4) the roll angle; and (5) the pitch angle. (0)

20. The system of claim 17, wherein the one or more processors are configured to execute a machine learning algorithm, and wherein the plurality of features is input into the machine learning algorithm to extract said features from the sensor data to determine the likelihood of the user performing the predefined gesture. (1) (0)

22. The system of claim 14, wherein the at least two different types of sensors further comprise one or more of the following: a magnetometer, a heart rate monitor, a global positioning system (GPS) receiver, a barometer, an external temperature sensor, a microphone, a skin temperature sensor, a capacitive sensor, a sensor configured to detect a galvanic skin response, an imaging device, a proximity sensor, an altitude sensor, an attitude sensor, a humidity sensor, a vibration sensor, an infrared sensor, or an audio sensor. (0)

23. The system of claim 14, wherein the wearable device comprises one or more of the following: smartwatches, wristbands, gloves, smart rings, or armbands. (0)

24. The system of claim 14, wherein the one or more processors are located onboard the wearable device. (0)

25. The system of claim 14, wherein the one or more processors are located onboard a user device or a remote server in communication with the wearable device, wherein the user device and the remote server are provided separate from the wearable device. (1) (0)

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Patent US10474244

Methods and systems for monitoring and influencing gesture-based behaviors

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