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» Information System Architectures: From Art to Science
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MOBISYS
2011
ACM
12 years 10 months ago
Indoor localization without infrastructure using the acoustic background spectrum
We introduce a new technique for determining a mobile phone’s indoor location even when Wi-Fi infrastructure is unavailable or sparse. Our technique is based on a new ambient so...
Stephen P. Tarzia, Peter A. Dinda, Robert P. Dick,...
MOBIHOC
2004
ACM
14 years 7 months ago
Internal synchronization of drift-constraint clocks in ad-hoc sensor networks
Clock synchronization is a crucial basic service in typical sensor networks, since the observations of distributed sensors more often than not need to be ordered ("a happened...
Lennart Meier, Philipp Blum, Lothar Thiele
CIVR
2007
Springer
210views Image Analysis» more  CIVR 2007»
14 years 1 months ago
Semantic video analysis for psychological research on violence in computer games
In this paper, we present an automatic semantic video analysis system to support interdisciplinary research efforts in the field of psychology and media science. The psychological...
Markus Mühling, Ralph Ewerth, Thilo Stadelman...
LOCA
2005
Springer
14 years 1 months ago
MoteTrack: A Robust, Decentralized Approach to RF-Based Location Tracking
In this paper, we present a robust, decentralized approach to RF-based location tracking. Our system, called MoteTrack, is based on low-power radio transceivers coupled with a mode...
Konrad Lorincz, Matt Welsh
DEBS
2007
ACM
13 years 11 months ago
High frequency distributed data stream event correlation to improve neonatal clinical management
Approximately eighteen percent (18%) of babies born in New South Wales (NSW), Australia require special care or neonatal intensive care admission. Premature babies can be up to 17...
Carolyn McGregor, Michael Stacey