Pattern Analysis and Applications

, Volume 12, Issue 3, pp 237–249

Soft authentication using an infrared ceiling sensor network

Theoretical Advances


Person identification is needed to provide various personalized services at home or at the office. We propose a system for tracking persons identified at the entrance to a room in order to realize “soft authentication.” Our system can be constructed at low cost and works anytime and anywhere in a room. Through experiments, we confirmed that the system could track up to 5 persons with a high probability of correct identification, though precise identification is difficult.


Soft authentication Infrared sensor Sensor-attached ceiling Human tracking 


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Copyright information

© Springer-Verlag London Limited 2008

Authors and Affiliations

  1. 1.Graduate School of Information Science and TechnologyHokkaido UniversitySapporoJapan

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