PhoneCog: a device authentication method on interactive tabletops using color sequence pattern recognition

Authors:
Gilbok Lee;Kyle Koh;Gyungbok Lee;Guntae Park
Affiliations:
HugeFlow Co., Seoul, South Korea;Seoul National University, Seoul, South Korea;HugeFlow Co., Seoul, South Korea;HugeFlow Co., Seoul, South Korea
Venue:
Proceedings of the 2013 ACM international conference on Interactive tabletops and surfaces
Year:
2013

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Abstract

Tabletop displays often serve as workbenches by allowing users to interact with them using touch capability. This work presents PhoneCog, a device authentication method on interactive tabletops with minimalistic hardware settings by utilizing a color sequence pattern recognition technique for device identification. Users may place their smartphones on a surface, which authenticate and authorize the devices to access various services such as sharing images, and downloading apps. The method is built only with the tabletop displays and does not require any additional hardware such as a depth-camera. We also present an in-field case study where users utilized the device to share various contents among each other in various regions in China where the fast network connection is not readily available.