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ICC
2008
IEEE
142views Communications» more  ICC 2008»
14 years 2 months ago
A Comprehensive Analytical Model for IEEE 802.11e QoS Differentiation Schemes under Unsaturated Traffic Loads
Arbitrary Inter-frame Space (AIFS), Contention Window (CW) and Transmission Opportunity (TXOP) are three important Quality-of-Service (QoS) differentiation schemes specified in the...
Jia Hu, Geyong Min, Michael E. Woodward, Weijia Ji...
ICPR
2008
IEEE
14 years 2 months ago
Real-time update of 3D deformable models for computer aided liver surgery
Providing accurate image-guidance for soft-tissue interventions remains a complex task. Most of the time, preoperative models and planning data are no more valid during the surgic...
Benoît Dagon, Charles Baur, Vincent Bettscha...
INFOCOM
2008
IEEE
14 years 2 months ago
An Empirical Activity Model for WLAN Users
Abstract—Understanding user behavior in wireless environments is useful for a variety of reasons ranging from the design of better sleep algorithms for components of mobile devic...
Caleb T. Phillips, Suresh Singh
CVPR
2006
IEEE
14 years 2 months ago
A Generalized EM Approach for 3D Model Based Face Recognition under Occlusions
This paper describes an algorithm for pose and illumination invariant face recognition from a single image under occlusions. The method iteratively estimates the parameters of a 3...
Michael De Smet, Rik Fransens, Luc J. Van Gool
GLOBECOM
2006
IEEE
14 years 2 months ago
Collision Model for Bit Error Rate analysis of Time Hopping Impulse Radio in Multipath Nakagami-m Channels
— In presence of multiple access interference, the performance of impulse radio system is affected by collisions with other users. In this paper we evaluate the bit error probabi...
L. Reggiani, Umberto Spagnolini