21 search results - page 3 / 5 » Real-Time Walk Light Detection with a Mobile Phone |
PERCOM
2011
ACM
12 years 8 months ago
2011
ACM
—In this paper, we consider the problem of tracking fine-grained speeds variations of vehicles using signal strength traces from GSM enabled phones. Existing speed estimation te...
ISWC
2003
IEEE
13 years 10 months ago
2003
IEEE
SenSay is a context-aware mobile phone that adapts to dynamically changing environmental and physiological states. In addition to manipulating ringer volume, vibration, and phone ...
AAAI
2010
13 years 6 months ago
2010
Activity recognition based on data from mobile wearable devices is becoming an important application area for machine learning. We propose a novel approach based on a combination ...
SIGKDD
2010
12 years 11 months ago
2010
Mobile devices are becoming increasingly sophisticated and the latest generation of smart cell phones now incorporates many diverse and powerful sensors. These sensors include GPS...
ESORICS
2012
Springer
11 years 7 months ago
2012
Springer
In certain applications, it is important for a remote server to securely determine whether or not two mobile devices are in close physical proximity. In particular, in the context ...