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CSCW
2012
ACM
13 years 7 months ago
Socializing volunteers in an online community: a field experiment
Although many off-line organizations give their employees training, mentorship, a cohort and other socialization experiences that improve their retention and productivity, online ...
Rosta Farzan, Robert Kraut, Aditya Pal, Joseph A. ...
GLOBECOM
2010
IEEE
14 years 9 months ago
A Distributed Wake-Up Scheduling for Opportunistic Forwarding in Wireless Sensor Networks
In wireless sensor networks (WSNs), sensor nodes are typically subjected to energy constraints and often prone to topology changes. While duty cycling has been widely used for ener...
Chul-Ho Lee, Do Young Eun
ISBI
2008
IEEE
16 years 16 days ago
Monte Carlo assessment of time-of-flight benefits on the LYSO-based discovery RX PET/CT scanner
Time-Of-Flight (TOF) positron emission tomography (PET) was studied and preliminarily developed in the 80s, but the lack of a scintillator able to deliver proper time resolution a...
Parham Geramifar, Mohammad Reza Ay, Mojtaba Shamsa...
ISBI
2006
IEEE
16 years 16 days ago
Atlas-assisted tomography: registration of a deformable atlas to compensate for limited-angle cone-beam trajectory
We present a method to improve the quality of cone-beam tomographic images computed from an intra-operative C-arm scan by adding information from an anatomical atlas. Limited rang...
Ofri Sadowsky, Krishnakumar Ramamurthi, Lotta Mari...
CHI
2008
ACM
16 years 6 days ago
Real-time snowboard training system
We present a wireless prototype system for real-time snowboard training. This system can be used to detect common mistakes during snowboarding and to give students immediate feedb...
Daniel Spelmezan, Jan Borchers