Sports equipment maneuver detection and classification

• US 10,146,980 B2
• Filed: 11/25/2015
• Issued: 12/04/2018
• Est. Priority Date: 11/25/2015
• Status: Expired due to Fees

• Current Assignee: Intel Corporation
• Original Assignee: Intel Corporation
• Inventors: Moyerman, Stephanie, Yang, Xue
• Primary Examiner(s): Ahmed, Masud
• Application Number:
  US14/952,031
• Publication Number:
  US 20170144023A1
• Time in Patent Office: 1,105 Days
• Field of Search: 463 19- 43
• CPC Class Codes: A63C 17/00 Roller skates; Skate-boards
• CPC Class Codes: A63C 2203/12 Electrically powered or heated
• CPC Class Codes: A63C 2203/18 Measuring a physical parameter, e.g. speed, distance
• CPC Class Codes: A63C 2203/22 Radio waves emitting or receiving, e.g. remote control, RFID
• CPC Class Codes: A63C 2203/24 Processing or storing data, e.g. with electronic chip
• CPC Class Codes: A63C 5/03 Mono skis; Snowboards
• CPC Class Codes: A63C 5/06 with special devices thereon, e.g. steering devices
• CPC Class Codes: G06F 18/00 Pattern recognition
• CPC Class Codes: G06F 18/24147 Distances to closest patterns, e.g. nearest neighbour classification

Abstract

Embodiments of the present disclosure provide techniques and configurations for an apparatus for identifying a maneuver of sports equipment. In one instance, the apparatus may comprise a housing to be attached to the sports equipment; two or more sensors disposed on or in the housing to sense acceleration or rotation of the sports equipment during the motion of the sports equipment, and to output motion data associated with the acceleration or rotation of the sports equipment; and circuitry disposed in the housing and coupled to the sensors to receive the motion data and to identify a maneuver performed using the sports equipment, based on the motion data. Other embodiments may be described and/or claimed.

Claims

1. An apparatus for identifying a maneuver of sports equipment, comprising:

a housing to be attached to the sports equipment, wherein the sports equipment is to be used to conduct a motion;

two or more sensors disposed on or in the housing to sense acceleration or rotation of the sports equipment during the motion, and to output motion data associated with the acceleration or rotation of the sports equipment; and

circuitry disposed in the housing and coupled to the sensors to receive the motion data, detect the maneuver performed using the sports equipment, and identify the maneuver, based on the motion data, which includes;

compute one or more angle features in a sports equipment reference frame, wherein the angle features are to be used in the maneuver identification; and

in parallel with the computation of the one or more angle features,

detect the maneuver, which includes to identify a detection spot in the motion data, based at least in part on the computed angle features, wherein the detection spot includes a starting point of the maneuver; and

buffer a portion of the motion data that includes the detection spot, wherein the detection spot is approximately in the middle of the portion of the motion data, wherein the buffered portion of the motion data includes a data associated with the maneuver, wherein the portion of the motion data is to be used in the identification of the maneuver.

2. The apparatus of claim 1, wherein to detect the maneuver further includes to:

compute a plurality of parameters associated with the motion of the sports equipment; and

determine a time period during which at least some of the parameters exceed corresponding thresholds, wherein the time period substantially comprises a duration of the maneuver.

3. The apparatus of claim 2, wherein to compute a plurality of parameters includes to compute squared magnitudes of some of the motion data outputted by the two or more sensors at each time stamp during the motion of the sports equipment, and calibrate the computed squared magnitudes of the motion data;

and

wherein to determine a time period during which at least some of the parameters exceed corresponding thresholds includes to compare each of the calibrated motion data with the corresponding thresholds.

4. The apparatus of claim 2, wherein the sports equipment is to be used to conduct a motion on or above a surface, wherein to detect the maneuver further includes to determine that the sports equipment is used to perform the maneuver above the surface over the time period.

5. The apparatus of claim 2, wherein the circuitry further includes a processor and a pattern recognition engine operated by the processor, wherein to identify the maneuver includes to compute one or more rotation and acceleration features from the motion data provided by the two or more sensors for the determined time period of the detected maneuver, and compare the features with one or more predetermined training data sets using the pattern recognition engine.

6. The apparatus of claim 5, wherein each of the one or more predetermined training data sets corresponds to a combination of acceleration and rotation of the sports equipment that defines a type of a maneuver.

7. The apparatus of claim 5, wherein the circuitry further includes a transceiver to provide data associated with the identified maneuver to an external device.

8. The apparatus of claim 1, wherein the two or more sensors include an accelerometer and a gyroscope, wherein the circuitry further includes:

a magnetometer, to provide data indicating a direction of the motion of the sports equipment;

an altimeter to provide data to indicate an altitude of the sports equipment above a surface; and

a global positioning system (GPS) to provide data to indicate a location of the equipment.

9. The apparatus of claim 8, wherein the circuitry is disposed at least in part in an integrated circuit (IC), wherein the IC is disposed inside the housing.

10. The apparatus of claim 1, wherein the sports equipment comprises recreational equipment associated with action sports and includes at least one of:

a skateboard, a surfboard, a snowboard, or a ski.

11. An integrated circuit, comprising:

circuitry to receive motion data from two or more sensors coupled with the circuitry and disposed on sports equipment, during a motion of the sports equipment; and

detect and identify a maneuver performed using the sports equipment during the motion of the sports equipment, based on the motion data, wherein to detect and identify the maneuver includes;

compute one or more angle features in a sports equipment reference frame, to use Euler angles in the maneuver identification; and

in parallel with the computation of the one or more angle features,

detect the maneuver, which includes to identify a detection spot in the motion data, based at least in part on the computed angle features, wherein the detection spot includes a starting point of the maneuver; and

buffer a portion of the motion data that includes the detection spot, wherein the detection spot is approximately in the middle of the portion of the motion data, wherein the buffered portion of the motion data includes a data associated with the maneuver, wherein the portion of the motion data is to be used in the identification of the maneuver.

12. The integrated circuit of claim 11, wherein to detect the maneuver further includes to:

compute a plurality of parameters associated with the motion of the sports equipment; and

determine a time period during which at least some of the parameters exceed corresponding thresholds, wherein the time period substantially comprises a duration of the maneuver.

13. The integrated circuit of claim 12, wherein to compute a plurality of parameters includes to compute squared magnitudes of some of the motion data outputted by the two or more sensors at each time stamp during the motion of the sports equipment, and calibrate the computed squared magnitudes of the motion data;

and

wherein to determine a time period during which at least some of the parameters exceed corresponding thresholds includes to compare each of the calibrated motion data with the corresponding thresholds.

14. The integrated circuit of claim 12, wherein the circuitry further includes a processor and a pattern recognition engine operated by the processor, wherein to identify the maneuver includes to compute one or more rotation and acceleration features from the motion data provided by the two or more sensors for the determined time period of the detected maneuver, and compare the features with one or more predetermined training data sets using the pattern recognition engine,

wherein each of the one or more predetermined training data sets corresponds to a combination of acceleration and rotation of the sports equipment that defines a type of a maneuver.

15. The integrated circuit of claim 12, wherein the circuitry is further disposed on a printed circuit board (PCB) communicatively coupled with the integrated circuit, wherein the integrated circuit and the PCB are disposed in a housing, wherein the housing is to be attached to the sports equipment.

16. A method for identifying a maneuver performed using sports equipment, comprising:

receiving, by an apparatus coupled with the sports equipment, motion data associated with acceleration or rotation of the sports equipment during a motion, from two or more sensors disposed on the sports equipment; and

detecting and identifying, by the apparatus, the maneuver performed using the sports equipment during the motion, based on the motion data, including;

computing one or more angle features in a sports equipment reference frame, wherein the angle features are to be used in the maneuver identification; and

in parallel with computing the one or more angle features,

detecting the maneuver, which includes identifying a detection spot in the motion data, based at least in part on the computed angle features, wherein the detection spot includes a starting point of the maneuver; and

buffering a portion of the motion data that includes the detection spot, wherein the detection spot is approximately in the middle of the portion of the motion data, wherein the buffered portion of the motion data includes a data associated with the maneuver, wherein the portion of the motion data is to be used in the identifying the maneuver.

17. The method of claim 16, wherein detecting the maneuver further includes:

computing, by the apparatus, a plurality of parameters associated with the motion of the sports equipment; and

determining, by the apparatus, a time period during which at least some of the parameters exceed corresponding thresholds, wherein the time period substantially comprises a duration of the maneuver.

18. The method of claim 17, wherein computing a plurality of parameters further includes:

computing, by the apparatus, squared magnitudes of some of the motion data outputted by the two or more sensors at each time stamp during the motion of the sports equipment; and

calibrating, by the apparatus, the computed squared magnitudes of the motion data; and

wherein determining a time period during which at least some of the parameters exceed corresponding thresholds includes comparing, by the apparatus, each of the calibrated motion data with the corresponding thresholds.

19. The method of claim 17, wherein identifying the maneuver includes:

computing, by the apparatus, one or more rotation and acceleration features from the motion data provided by the two or more sensors for the determined time period of the detected maneuver; and

comparing, by the apparatus, the features with one or more predetermined training data sets, to determine a match between the features and one of the training data sets, wherein each of the one or more predetermined training data sets corresponds to a combination of acceleration and rotation of the sports equipment that defines a type of a maneuver.

20. The method of claim 16, further comprising:

providing, by the apparatus, information indicating the detected and identified maneuver to an external device.