Actitracker: A Smartphone-Based Activity Recognition System for Improving Health and Well-Being

Actitracker: A Smartphone-Based Activity Recognition System for Improving Health and Well-Being

Actitracker is a smartphone-based activity-monitoring service to help people ensure they receive sufficient activity to maintain proper health. This free service allowed people to set personal activity goals and monitor their progress toward these goals. Actitracker uses machine learning methods to...

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Bibliographic Details
Published in:2016 IEEE International Conference on Data Science and Advanced Analytics (DSAA) pp. 682 - 688
Main Authors: Weiss, Gary M., Lockhart, Jeffrey W., Pulickal, Tony T., McHugh, Paul T., Ronan, Isaac H., Timko, Jessica L.
Format: Conference Proceeding
Language:English
Published: IEEE 01-10-2016
Subjects:
Accelerometers
activity recognition
data mining
Data models
fitness
mobile health
sensors
Servers
Smart phones
smartphones
User interfaces
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Summary:Actitracker is a smartphone-based activity-monitoring service to help people ensure they receive sufficient activity to maintain proper health. This free service allowed people to set personal activity goals and monitor their progress toward these goals. Actitracker uses machine learning methods to recognize a user's activities. It initially employs a "universal" model generated from labeled activity data from a panel of users, but will automatically shift to a much more accurate personalized model once a user completes a simple training phase. Detailed activity reports and statistics are maintained and provided to the user. Actitracker is a research-based system that began in 2011, before fitness trackers like Fitbit were popular, and was deployed for public use from 2012 until 2015, during which period it had 1,000 registered users. This paper describes the Actitracker system, its use of machine learning, and user experiences. While activity recognition has now entered the mainstream, this paper provides insights into applied activity recognition, something that commercial companies rarely share.
DOI:10.1109/DSAA.2016.89