A device binding method based on content illumination pattern in public display environments

Sangsik Kim, Joonyoung Park, Myungsu Chae, Sungkwan Jung and Hojong Chang

PLOS ONE, 2019, vol. 14, issue 5, 1-20

Abstract: Digital public displays installed in various locations provide valuable information for the passers-by. However, the static characteristic of the digital public display limits the consumption of the displayed content to a small area. Personal mobile devices such as smartphones are now capable of interacting with digital public displays, which enables the passers-by to “take-away” the content and consume it on-the-go. This process requires device binding, content selection, and transfer between the two devices. In this paper, we propose a device binding method which utilizes the content brightness changing pattern as a unique content ID on the public display and an illuminance sensor on the mobile to bind and transfer between two devices. We conducted performance evaluations for binding algorithm robustness in different conditions. Also comparative studies among other binding interaction methods were conducted. Our results show that our proposed method performed stably across the various conditions and overall performance in interaction completion time and error rate was similar or superior to the existing methods.

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0214493

DOI: 10.1371/journal.pone.0214493

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