SYSTEM UND VERFAHREN ZUR AUTOMATISIERTEN ANALYSE EINES WETTKAMPFVERLAUFES

• US 20110156868A1
• Filed: 06/04/2009
• Published: 06/30/2011
• Est. Priority Date: 06/06/2008
• Status: Abandoned Application

• Current Assignee: Cairos Technologies Ag
• Original Assignee: Cairos Technologies Ag
• Inventors: Holzer, Christian, Janetzke, Mirko, Hoeflinger, Florian, Braun, Oliver, Englert, Walter, Habel, Thorsten
• Application Number:
  US12/996,601
• Publication Number:
  US 20110156868A1
• Time in Patent Office: Days
• US Class Current: 340/8.1
• CPC Class Codes: A63B 2024/0025 Tracking the path or location of one or more users, e.g. players of a game
• CPC Class Codes: A63B 2209/08 magnetic
• CPC Class Codes: A63B 2220/13 Relative positions
• CPC Class Codes: A63B 2220/30 Speed
• CPC Class Codes: A63B 2220/40 Acceleration
• CPC Class Codes: A63B 2220/53 Force of an impact, e.g. blow or punch
• CPC Class Codes: A63B 24/0021 Tracking a path or terminating locations
• CPC Class Codes: A63B 43/00 Balls with special arrangements
• CPC Class Codes: A63B 71/06 Indicating or scoring devices for games or players , or for other sports activities
• CPC Class Codes: A63B 71/0616 Means for conducting or scheduling competition, league, tournaments or rankings

Abstract

System, consisting of at least one active or passive position detection system which sends data about the position of at least one athlete to a central evaluation unit; and a central evaluation unit which stores received positional data in a database, automatically calculates a movement pattern consisting of at least the covered distance and the mean velocity from the positional data, and represents the movement pattern on a display.

Claims

1. System, consisting of

at least one active or passive position detection system which sends data about the position of at least one athlete to a central evaluation unit;

and

a central evaluation unit which stores received positional data in a database, automatically calculates a movement pattern consisting of at least the covered distance and the mean velocity from the positional data, and represents the movement pattern on a display.

2. System according to claim 1, wherein the evaluation unit compares the calculated movement pattern with stored movement patterns and represents deviations on the display.

3. System according to claim 1, in which, in addition to the positional data of the athlete, positional data of a piece of sports equipment are transmitted to the central evaluation unit using at least one passive position detection system, and in which the evaluation unit stores the received positional data in a database and calculates an interaction pattern between the piece of sports equipment and the athlete from the received positional data and represents the interaction pattern on the display.

4. System according to claim 3, wherein the evaluation unit compares the calculated interaction pattern with interaction patterns stored in the database and represents deviations on the display.

5. System according to claim 1 or 3, wherein the evaluation unit sends the calculated data to a computer which stores the data in a database of a computer game to thus determine the abilities of virtual athletes provided in the computer game or their interaction patterns with pieces of sports equipment.

6. System according to claim 1, wherein the position detection of an athlete is determined by means of several sensors attached on the sidelines of a sports venue, the sensors measuring the ultrasonic sound intensity and/or the infrared light intensity of signal sources attached to at least one athlete and sending these data to the central evaluation unit which calculates the position of the athlete from the known interrelationship between the radial decrease of the sound intensity and/or luminous intensity.

7. System according to claim 1 or 3, wherein the position of the athlete or the piece of sports equipment is determined by means of at least one magnetic field sensor attached to an athlete or to a piece of sports equipment which sends data about the alternating magnetic fields generated by at least two magnetic field coils to an evaluation unit carried along or to the central evaluation unit which either solves the magnetic field equation or uses the interrelationship between the decrease of the magnetic field strength and the radial distance between the magnetic field sensor and the magnetic field coil.

8. System according to claim 6 or 7, wherein the positional data about the athlete and/or the piece of sports equipment are used for directing a camera to a desired region.

9. System according to claim 8, wherein an image processing unit only analyses individual regions of an image on the basis of the positional data about the athlete and/or the piece of sports equipment, but analyses these regions with a higher frame rate than the normal frame rate.

10. System according to claim 3, wherein the athlete and/or the piece of sports equipment is equipped with an acceleration sensor, and the data of the acceleration sensor of the athlete are integrated on an evaluation unit carried along or a central evaluation unit, and the data of the acceleration sensor of the piece of sports equipment are integrated on the central evaluation unit and used for improving positional data and/or velocity data.

11. System according to claim 3, wherein the piece of sports equipment is a ball or a puck, and a shoe or a stick is additionally equipped with at least one pressure sensor which sends the data of the pressure sensors to the evaluation unit carried along or the central evaluation unit, which uses the data of the pressure sensor and the positional data of the ball for supplying the athlete with feedback indicating how he has to change his technique to achieve a desired trajectory of the ball or the puck.

12. Method of displaying performance data of at least one athlete, consisting of the procedure steps of

sending data about the position of at least one athlete to a central evaluation unit;

storing the received data in a database;

calculating at least one movement pattern from the positional data, consisting of at least the covered distance and the mean velocity of an athlete; and

displaying the calculated movement pattern on a display of the evaluation unit.

13. Method according to claim 12, with the further procedure steps of

comparing the calculated movement pattern with at least one further movement pattern, and

displaying the deviations on the display.

14. Method according to claim 12, with the further procedure steps of

sending positional data of a piece of sports equipment to the central evaluation unit;

calculating an interaction pattern between the piece of sports equipment and the athlete; and

displaying the calculated interaction pattern on the display.

15. Method according to claim 14, with the further procedure steps of

comparing the calculated movement pattern with at least one further movement pattern, and

displaying the deviations on the display.

16. Method according to claim 12, with the further procedure steps of

sending the calculated data to a computer;

storing the received data in a database;

determining the abilities of virtual athletes provided in a computer game or their interaction patterns with pieces of sports equipment.

17. Method according to claim 12, wherein the position of an athlete is determined by means of several sensors attached on the sidelines of a sports venue, the sensors measuring the ultrasonic sound intensity and/or the infrared light intensity of signal sources attached to at least one athlete and sending these data to the central evaluation unit which calculates the position of the athlete from the known interrelationship between the radial decrease of the sound intensity and/or luminous intensity.

18. Method according to claim 12 or 14, wherein the position of the athlete or the piece of sports equipment is determined by means of at least one magnetic field sensor attached to the athlete or the piece of sports equipment which sends data about the alternating magnetic fields generated by at least two magnetic field coils to the central evaluation unit which either solves the magnetic field equation or uses the interrelationship between the decrease of the magnetic field strength and the radial distance between the magnetic field sensor and the magnetic field coil.

19. Method according to claim 17 or 18 with the further procedure step of

directing a camera to a region given by the positional data about the athlete and/or the piece of sports equipment.

20. Method according to claim 19, wherein an image processing unit only analyses individual regions of an image on the basis of the positional data about the athlete and/or the piece of sports equipment, but analyses these regions with a higher frame rate than the normal frame rate.

21. Method according to claim 12, with the further procedure steps of

emitting the data of one or several acceleration sensors attached to the athlete and/or to the piece of sports equipment;

integrating the data on an evaluation unit carried along or a central evaluation unit;

fusion of the positional data and/or the velocity data with positional data of at least one other system by means of a Kalman filter.

22. Method according to claim 14, wherein the piece of sports equipment is a ball or a puck, and a shoe or a stick is additionally equipped with at least one pressure sensor, with the further procedure steps of

sending the data to the evaluation unit carried along or the central evaluation unit;

calculating the deviation of the determined trajectory of the ball or the puck from an optimal trajectory;

determining the influence of the point of contact and the pulse transmission on the trajectory of the puck or the ball;

calculating an optimal point of contact and an optimal pulse transmission;

displaying a recommendation to act derived from the calculated data on the piece of sports equipment or the evaluation unit carried along.

23. System for detecting the position of an athlete, consisting of

several sensors attached on the sidelines of a sports venue which measure the ultrasonic sound intensity and/or the infrared light intensity of signal sources attached to at least one athlete and send these data to a central evaluation unit which calculates the position of the athlete from the known interrelationship between the radial decrease of the sound intensity and/or luminous intensity.

25. System according to claim 23 or 24, wherein the positional data about a person and/or an object are used for directing a camera to a desired region.

26. System according to claim 25, wherein an image processing unit only analyses individual regions of an image on the basis of the positional data about a person and/or an object, but analyses these regions with a higher frame rate than the normal frame rate.

24. System for detecting the position of a person or an object, consisting of

at least one magnetic field sensor attached to a person or an object which sends data about the alternating magnetic fields generated by at least two magnetic field coils to an evaluation unit carried along or a central evaluation unit, which either solves the magnetic field equation or uses the interrelationship between the decrease of the magnetic field strength and the radial distance between the magnetic field sensor and the magnetic field coil to detect the position of the magnetic field sensor.

28. System according to claim 24, wherein the object is a ball or a puck, and a shoe or a stick is additionally equipped with at least one pressure sensor which sends the data of the pressure sensors to the evaluation unit carried along or the central evaluation unit, which use the data of the pressure sensors and the positional data of the ball for supplying the athlete with feedback indicating how he has to change his technique to achieve a desired trajectory of the ball or the puck.

27. System for determining the velocity and position of an athlete and/or a piece of sports equipment, consisting of

an acceleration sensor provided at the athlete and/or at the piece of sports equipment which sends its data to an evaluation unit carried along or a central evaluation unit where the data are integrated to obtain velocity and position information about the movement of the athlete and/or the piece of sports equipment.