Visualizing summaries of performance for instructors assessing physical-motion skills

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Rowe, N., Houde, J., Osoteo, R., Schwamm, R., Kirk, C., Reed, A., Khan, S., Broaddus, C. & Meng, C. (2011). Visualizing summaries of performance for instructors assessing physical-motion skills. In S. Barton et al. (Eds.), Proceedings of Global Learn 2011 (pp. 430-439). AACE.
Retrieved from http://www.editlib.org/p/37207.

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Conference Information

Global Learn (Global Learn) 2011
Melbourne, Australia
March 28, 2011
ISBN 1-880094-85-1
  Siew-Mee Barton, John Hedberg & Katsuaki Suzuki
AACE

More Information on Global Learn
Table of Contents

Authors

Neil Rowe, Jeff Houde, U.S. Naval Postgraduate School, United States; Rey Osoteo, U.S. Naval Posgraduate School, United States; Riqui Schwamm, Cory Kirk, Ahren Reed, U.S. Naval Postgraduate School, United States; Saad Khan, Chris Broaddus, Chris Meng, Sarnoff Laboratories, United States

Abstract

Physical-motion skills are important in physical education, theater, military training, and a wide range of vocational training. Teaching them is difficult because events happen quickly and the view of instructors is often occluded. We are developing training systems using modern surveillance technology that can automatically track and assess students exercising physical-motion skills. We describe two systems we have implemented, one with inexpensive nonimaging sensors and one with multi-camera fusion, to track U.S. Marines during training and assess how well they are performing. The key challenge is visually summarizing the data because there is usually too much for instructors to inspect manually. We describe several visualization methods we provide, including plots of unusual events in time and space broken down by student and type of event, plots of continuous-valued metrics, plots of group centroids, and comparison plots of similar exercises. Results show that interesting phenomena can be seen in the visualizations that are otherwise difficult to see.

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