EXERCISE ANALYSIS APPARATUS, EXERCISE ANALYSIS METHOD, EXERCISE ANALYSIS PROGRAM, AND EXERCISE ANALYSIS SYSTEM

• US 20160030804A1
• Filed: 07/30/2015
• Published: 02/04/2016
• Est. Priority Date: 07/31/2014
• Status: Active Grant

• Current Assignee: Seiko Epson Corporation (Seiko Group)
• Original Assignee: Seiko Epson Corporation (Seiko Group)
• Inventors: MIZUOCHI, Shunichi, MATSUMOTO, Kazumi, UCHIDA, Shuji, SUGIYA, Daisuke, SATO, Akinobu, WATANABE, Ken
• Granted Patent: US 10,032,069 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61B 2503/10 Athletes
• CPC Class Codes: A61B 5/11 Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb for measuring pulse A61B5/02 ;A61B5/1038 takes precedence; motion detection to correct for motion artifacts in physiological signals A61B5/721
• CPC Class Codes: G06F 2218/10 by analysing the shape of a waveform, e.g. extracting parameters relating to peaks
• CPC Class Codes: G06V 40/23 Recognition of whole body movements, e.g. for sport training

Abstract

An exercise analysis apparatus includes a feature point detection unit that detects a feature point in a user'"'"'s running by using a detection result from an inertial sensor, and an exercise information generation unit that analyzes the user'"'"'s running with a timing at which the feature point detection unit detects the feature point as a reference by using the detection result from the inertial sensor, so as to generate exercise information of the user.

Claims

1. An exercise analysis apparatus comprising:

a feature point detection unit that detects a feature point in a user'"'"'s running by using a detection result from an inertial sensor; and

an exercise information generation unit that analyzes the user'"'"'s running with a timing at which the feature point detection unit detects the feature point as a reference by using the detection result from the inertial sensor, so as to generate exercise information of the user.

2. The exercise analysis apparatus according to claim 1,

wherein the exercise information generation unit generates the exercise information by using a detection result from the inertial sensor at the timing at which the feature point detection unit detects the feature point.

3. The exercise analysis apparatus according to claim 1,

wherein the exercise information generation unit generates the exercise information by using a detection result from the inertial sensor after the feature point detection unit detects the feature point until the feature point detection unit detects the feature point next.

4. The exercise analysis apparatus according to claim 1,

wherein the exercise information generation unit calculates values of a plurality of items indicating an exercise state of the user with a timing at which the feature point detection unit detects the feature point as a reference by using the detection result from the inertial sensor, and generates the exercise information by combining the values of the plurality of items with each other.

5. The exercise analysis apparatus according to claim 4,

wherein the exercise information includes information regarding energy efficiency, an energy loss, or a burden on the body in the user'"'"'s running.

6. The exercise analysis apparatus according to claim 4,

wherein the exercise information includes information regarding directly-below landing, propulsion efficiency, a brake amount in landing, or a ground contact time in the user'"'"'s running.

7. The exercise analysis apparatus according to claim 1,

wherein the exercise information generation unit generates the exercise information separately for left and right sides of the user'"'"'s body.

8. The exercise analysis apparatus according to claim 1,

wherein the exercise information includes information regarding a left and right balance of the user'"'"'s body.

9. The exercise analysis apparatus according to claim 1, further comprising:

an advice information generation unit that generates information regarding an advice for improving exercise attainments of the user by using the exercise information.

10. The exercise analysis apparatus according to claim 1,

wherein the feature point is at least one of landing, stepping, and taking-off.

11. An exercise analysis method comprising:

detecting a feature point in a user'"'"'s running by using a detection result from an inertial sensor; and

analyzing the user'"'"'s running with a timing at which the feature point is detected as a reference by using the detection result from the inertial sensor, so as to generate exercise information of the user.

12. An exercise analysis program causing a computer to execute:

detecting a feature point in a user'"'"'s running by using a detection result from an inertial sensor; and

analyzing the user'"'"'s running with a timing at which the feature point is detected as a reference by using the detection result from the inertial sensor, so as to generate exercise information of the user.

13. An exercise analysis apparatus comprising:

a calculation unit that generates exercise information of a user by using a detection result from an inertial sensor; and

a swing leg information generation unit that generates information regarding a swing leg while the user'"'"'s foot contacts a ground, by using the exercise information.

14. The exercise analysis apparatus according to claim 13,

wherein the swing leg information generation unit generates information regarding the swing leg at the time when a predetermined state occurs while the user'"'"'s foot contacts the ground, and

wherein the time when the predetermined state occurs is the time when the user'"'"'s foot lands, the time of mid-stance, the time of stepping, or the time of taking-off.

15. The exercise analysis apparatus according to claim 13,

wherein the exercise information includes information regarding an attitude angle of the user'"'"'s body, and

wherein the swing leg information generation unit generates the information regarding the swing leg by using the information regarding the attitude angle.

16. The exercise analysis apparatus according to claim 14,

wherein the information regarding the swing leg includes information regarding an angle of the swing leg at the time when the predetermined state occurs while the user'"'"'s foot contacts the ground.

17. The exercise analysis apparatus according to claim 13,

wherein the swing leg information generation unit computes a value of an index correlated with an angle of the swing leg, and estimates the angle of the swing leg by using the value of the index.

18. The exercise analysis apparatus according to claim 17, further comprising:

a feature point detection unit that detects a feature point in an exercise of the user corresponding to the predetermined state,

wherein the swing leg information generation unit computes the value of the index by using a detection result of the feature point.

19. The exercise analysis apparatus according to claim 17,

wherein the index is a difference between a time point at which an attitude angle of the user'"'"'s body satisfies a predetermined condition and a time point at which the predetermined state occurs while the user'"'"'s foot contacts the ground.

20. The exercise analysis apparatus according to claim 17,

wherein the index is a difference between a value of an attitude angle at the time when the attitude angle of the user'"'"'s body satisfies a predetermined condition and a value of the attitude angle at the time when the predetermined state occurs while the user'"'"'s foot contacts the ground.

21. The exercise analysis apparatus according to claim 19,

wherein the attitude angle is a yaw angle, and

wherein the time when the attitude angle satisfies the predetermined condition is the time when the yaw angle is the maximum or the minimum between landing and taking-off of the user'"'"'s foot.

22. The exercise analysis apparatus according to claim 17,

wherein the index is an attitude angle of the user'"'"'s body at the time when the predetermined state occurs while the user'"'"'s foot contacts the ground.

23. The exercise analysis apparatus according to claim 22,

wherein the attitude angle is a pitch angle.

24. The exercise analysis apparatus according to claim 13,

wherein the inertial sensor is mounted on the user'"'"'s body.

25. An exercise analysis system comprising:

the exercise analysis apparatus according to according to claim 13; and

a notification apparatus that acquires the information regarding the swing leg from the exercise analysis apparatus and notifies the user of information regarding an exercise state during the user'"'"'s exercise.

26. An exercise analysis system comprising:

the exercise analysis apparatus according to according to claim 13; and

an information analysis apparatus that acquires the information regarding the swing leg generated by the exercise analysis apparatus and generates analysis information of exercise performance of the user.

27. An exercise analysis method comprising:

generating exercise information of a user by using a detection result from an inertial sensor; and

generating information regarding a swing leg while the user'"'"'s foot contacts a ground, by using the exercise information.

28. An exercise analysis program causing a computer to execute:

generating exercise information of a user by using a detection result from an inertial sensor; and

generating information regarding a swing leg while the user'"'"'s foot contacts a ground, by using the exercise information.