Sciweavers

GLOBECOM
2006
IEEE
14 years 3 months ago
Optimal Resource Allocation for Homogeneous Wireless Multicast
— Multicast-based data communication is an efficient communication scheme especially in multihop ad hoc networks where the MAC layer is based on one-hop broadcast from one sourc...
Amr M. Mohamed, Hussein M. Alnuweiri
GLOBECOM
2006
IEEE
14 years 3 months ago
User-Aided Adaptive TDMA for Real-Time Services in an OFDM Based Cellular System
—In this paper, a user-aided adaptive TDMA (UAAT) algorithm is developed for real-time services to improve the system efficiency of OFDM based cellular networks. In the UAAT sche...
Changqin Huo, Abu B. Sesay, Abraham O. Fapojuwo
GLOBECOM
2006
IEEE
14 years 3 months ago
Playback Adaptation with Transport-Protocol Awareness for Wireless Video Streaming
— This paper introduces a new idea for implementing playback adaptation algorithms suitable for video streaming applications in wireless IP networks. The proposed algorithm depen...
Antonios Argyriou, Vijay K. Madisetti
GLOBECOM
2006
IEEE
14 years 3 months ago
Low-Complexity Adaptive High-Resolution Channel Prediction for OFDM Systems
Abstract— We propose a low-complexity adaptive highresolution channel prediction algorithm for pilot symbol assisted orthogonal frequency division multiplexing (OFDM) systems. Th...
Ian C. Wong, Brian L. Evans
FOCS
2006
IEEE
14 years 3 months ago
Improved Bounds for Online Routing and Packing Via a Primal-Dual Approach
In this work we study a wide range of online and offline routing and packing problems with various objectives. We provide a unified approach, based on a clean primal-dual method...
Niv Buchbinder, Joseph Naor
FOCS
2006
IEEE
14 years 3 months ago
Algebraic Structures and Algorithms for Matching and Matroid Problems
We present new algebraic approaches for several wellknown combinatorial problems, including non-bipartite matching, matroid intersection, and some of their generalizations. Our wo...
Nicholas J. A. Harvey
FGR
2006
IEEE
111views Biometrics» more  FGR 2006»
14 years 3 months ago
Registration of Expressions Data using a 3D Morphable Model
The registration of 3D scans of faces is a key step for many applications, in particular for building 3D Morphable Models. Although a number of algorithms are already available fo...
Curzio Basso, Pascal Paysan, Thomas Vetter
CGI
2006
IEEE
14 years 3 months ago
Improving the Interval Ray Tracing of Implicit Surfaces
This paper presents a fast and reliable method to trim non-solution regions in an interval ray tracing process. The “trimming algorithm” uses interval analysis to perform rejec...
Jorge Flórez, Mateu Sbert, Miguel Án...
CCECE
2006
IEEE
14 years 3 months ago
Hardware Edge Detection using an Altera Stratix NIOS2 Development Kit
— Edge detection is a computer vision algorithm that is very processor intensive. It is possible to increase the speed of the algorithm by using hardware parallelism. This paper ...
Jay Kraut
APCCAS
2006
IEEE
323views Hardware» more  APCCAS 2006»
14 years 3 months ago
Real-Time Implementation of a Particle Filter with Integrated Voice Activity Detector for Acoustic Speaker Tracking
— In noisy and reverberant environments, the problem of acoustic source localisation and tracking (ASLT) using an array of microphones presents a number of challenging difficult...
Anders M. Johansson, Eric A. Lehmann, Sven Nordhol...