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The smartphone as a platform for wearable cameras in health research

Gurrin, Cathal orcid logoORCID: 0000-0003-2903-3968, Qiu, Zhengwei, Hughes, Mark, Caprani, Niamh, Doherty, Aiden R. orcid logoORCID: 0000-0003-1840-0451, Hodges, Steve and Smeaton, Alan F. orcid logoORCID: 0000-0003-1028-8389 (2013) The smartphone as a platform for wearable cameras in health research. American Journal of Preventive Medicine, 44 (3). pp. 308-313. ISSN 1873-2607

Abstract
Background: The SenseCam, a small camera that is worn on the chest via a lanyard, is increasingly being deployed in a health research. However, the SenseCam is not yet in widespread use due to a variety of factors. It is proposed that the ubiquitous smartphone can provide a more accessible alternative to the SenseCam. Purpose: To perform an initial evaluation of the potential of the smartphone to become an alternative to the SenseCam. Methods: Adults were supplied with a smartphone running lifelogging software which they wore on a lanyard. Participants wore the smartphone for up to a day and the resulting lifelog data was both manually annotated and automatically analyzed for the presence of visual concepts. The results were compared to prior work using the SenseCam. Results: In total 166,000 smartphone photos were gathered from 47 individuals, along with associated sensor readings. The average time spent wearing the device across all users was 5 hours and 39 minutes (± 4 hours 11 minutes SD). A subset of 36,698 photos was selected for manual annotation by 5 researchers. Software analysis of these photos supports the automatic identification of activities to a similar level of accuracy as for SenseCam images in a previous study. Conclusions: Many aspects of the functionality of a SenseCam can largely be replicated, and in some cases enhanced, by the ubiquitous smartphone platform. This makes the smartphone a good candidate for a new generation of wearable sensing devices in health research, due to its widespread use across many populations. It is envisioned that the smartphone will provide a compelling alternative to the dedicated SenseCam hardware for a number of users and application areas. This will be achieved by integrating new types of sensor data, leveraging the smartphone’s real-time connectivity and rich user interface, and providing support for a range of relatively sophisticated applications.
Metadata
Item Type:Article (Published)
Refereed:Yes
Uncontrolled Keywords:Smartphones; Sensecam
Subjects:Computer Science > Lifelog
Medical Sciences > Health
Computer Science > Information retrieval
DCU Faculties and Centres:DCU Faculties and Schools > Faculty of Engineering and Computing > School of Computing
Research Institutes and Centres > CLARITY: The Centre for Sensor Web Technologies
Publisher:Elsevier
Official URL:http://dx.doi.org/10.1016/j.amepre.2012.11.010
Copyright Information:© 2013 Elsevier
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:17837
Deposited On:04 Mar 2013 11:47 by Cathal Gurrin . Last Modified 04 Oct 2018 10:32
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