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ICC
2007
IEEE
197views Communications» more  ICC 2007»
14 years 2 months ago
A Distributed Scheduling Algorithm for Multiuser MIMO Systems with 1-bit SINR Feedback
—Opportunistic scheduling in random beamforming maximizes the sum-rate by allocating resources to the users with the best channel condition, thus leveraging on multiuser diversit...
Stefano Sorrentino, Umberto Spagnolini, Lino Moret...
ICIP
2007
IEEE
14 years 2 months ago
Locally Competitive Algorithms for Sparse Approximation
Practical sparse approximation algorithms (particularly greedy algorithms) suffer two significant drawbacks: they are difficult to implement in hardware, and they are inefficie...
Christopher J. Rozell, Don H. Johnson, Richard G. ...
ISBI
2007
IEEE
14 years 2 months ago
Segmentation of the Prostate in MR Images by Atlas Matching
Prostate cancer treatment by radiation therapy requires an accurate localisation of the prostate. For the treatment planning, primarily computed tomography (CT) images are used, b...
Stefan Klein, Uulke A. van der Heide, Bas W. Raaym...
MMM
2007
Springer
110views Multimedia» more  MMM 2007»
14 years 2 months ago
An Object Tracking Scheme Based on Local Density
We propose a method for tracking an object from a video sequence of moving background through the use of the proximate distribution densities of the local regions. The discriminati...
Zhuan Qing Huang, Zhuhan Jiang
SSDBM
2007
IEEE
212views Database» more  SSDBM 2007»
14 years 2 months ago
Adaptive-Size Reservoir Sampling over Data Streams
Reservoir sampling is a well-known technique for sequential random sampling over data streams. Conventional reservoir sampling assumes a fixed-size reservoir. There are situation...
Mohammed Al-Kateb, Byung Suk Lee, Xiaoyang Sean Wa...