1. UNIVERSITY COLLEGE DUBLIN  DUBLIN CITY UNIVERSITY  TYNDALL NATIONAL INSTITUTE Investigating the Role of Novel Sensing Technology in Tennis N. E. O’Connor*, G. Cahill +, B. Caulfield*, D. Diamond*, B. Farrell o, B. O’Flynn*, G. M. P. O’Hare*, K. Moran*, N. Moyna*, D. O’Gorman*, A.F. Smeaton* *CLARITY: Centre for Sensor Web Technologies + Tennis Ireland o Foster-Miller Inc

2. UNIVERSITY COLLEGE DUBLIN  DUBLIN CITY UNIVERSITY  TYNDALL NATIONAL INSTITUTE Overview CONTEXTUAL BIOMECHANICAL PHYSIOLOGICAL

3. UNIVERSITY COLLEGE DUBLIN  DUBLIN CITY UNIVERSITY  TYNDALL NATIONAL INSTITUTE Why? Feedback to athletes/coaches Allow them to view their serves/games Real-time audio feedback during training Data for Sports Scientists What factors lead to peak performance? Sports Action Recognition + Characterisation A Test-bed for interesting Science! New commercial products

4. UNIVERSITY COLLEGE DUBLIN  DUBLIN CITY UNIVERSITY  TYNDALL NATIONAL INSTITUTE 25mm How? Contextual Video + Audio Player Positions (Ubisense) Biomechanical Acceleration, Orientation (WIMUs) Pressure (wearables) Physiological Heart-rate, Respiration (Foster-Miller vest)

5. UNIVERSITY COLLEGE DUBLIN  DUBLIN CITY UNIVERSITY  TYNDALL NATIONAL INSTITUTE Overarching Theme Optimising performance in training and competition Many perspectives on this We look at performance optimisation from 3 perspectives only Contextual, biomechanical & physiological Will deliberately not consider other aspects Nutritional, psychological, etc

6. UNIVERSITY COLLEGE DUBLIN  DUBLIN CITY UNIVERSITY  TYNDALL NATIONAL INSTITUTE All-weather courts, Albert College Park Tennis Ireland Governing Body for Tennis in Ireland 4 indoor courts 2 clay courts 2 outdoor courts Users Championship Players Club Players Public Members Installation Area

7. UNIVERSITY COLLEGE DUBLIN  DUBLIN CITY UNIVERSITY  TYNDALL NATIONAL INSTITUTE All-weather courts, Tennis Ireland Installation Area

8. UNIVERSITY COLLEGE DUBLIN  DUBLIN CITY UNIVERSITY  TYNDALL NATIONAL INSTITUTE ~3.5cm Data Gathering

9. UNIVERSITY COLLEGE DUBLIN  DUBLIN CITY UNIVERSITY  TYNDALL NATIONAL INSTITUTE ~5cm Wall mounted UbiSensors UbiSense TAG: Worn by players, allowing them to be tracked by the UBISense system Tennis Court Allows players to be 3D-tracked in realtime Ubisense

10. UNIVERSITY COLLEGE DUBLIN  DUBLIN CITY UNIVERSITY  TYNDALL NATIONAL INSTITUTE Video Coverage

11. UNIVERSITY COLLEGE DUBLIN  DUBLIN CITY UNIVERSITY  TYNDALL NATIONAL INSTITUTE Player Tracking Distance covered Area covered Speed (average, max) (maps of coverage)

12. UNIVERSITY COLLEGE DUBLIN  DUBLIN CITY UNIVERSITY  TYNDALL NATIONAL INSTITUTE Player Tracking

13. UNIVERSITY COLLEGE DUBLIN  DUBLIN CITY UNIVERSITY  TYNDALL NATIONAL INSTITUTE 25mm 6 DOF Wireless Inertial Measurement Units (WIMUs) Features: 3-axis Accelerometers 3-axis Gyroscopes 3-axis magnetometers ADC: analog-digital converter Microprocessor Serial Wireless Link Movement Analysis

14. UNIVERSITY COLLEGE DUBLIN  DUBLIN CITY UNIVERSITY  TYNDALL NATIONAL INSTITUTE Movement Analysis Tyndall WIMU Wireless Inertial Measurement Unit “Hands up who thinks calibration is FUN!”

15. UNIVERSITY COLLEGE DUBLIN  DUBLIN CITY UNIVERSITY  TYNDALL NATIONAL INSTITUTE Movement Analysis

16. UNIVERSITY COLLEGE DUBLIN  DUBLIN CITY UNIVERSITY  TYNDALL NATIONAL INSTITUTE Foster-Miller Vest Physiological Data

17. UNIVERSITY COLLEGE DUBLIN  DUBLIN CITY UNIVERSITY  TYNDALL NATIONAL INSTITUTE Physiological Data

18. UNIVERSITY COLLEGE DUBLIN  DUBLIN CITY UNIVERSITY  TYNDALL NATIONAL INSTITUTE Review Training

19. UNIVERSITY COLLEGE DUBLIN  DUBLIN CITY UNIVERSITY  TYNDALL NATIONAL INSTITUTE Ongoing Work Developing Knowledge Framework Format to use for data consistency Performance Factors Ball Speed: Camera vs. Speed Gun Full Camera Calibration Accurate 3D ball tracking More Sensors Sweat pH measurement Pressure sensors

20. UNIVERSITY COLLEGE DUBLIN  DUBLIN CITY UNIVERSITY  TYNDALL NATIONAL INSTITUTE For More Information: Noel.OConnor@dcu.ie www.clarity-centre.org