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C3S2E
2009
ACM
15 years 4 months ago
CPU, SMP and GPU implementations of Nohalo level 1, a fast co-convex antialiasing image resampler
This article introduces Nohalo level 1 (“Nohalo”), the simplest member of a family of image resamplers which straighten diagonal interfaces without adding noticeable nonlinear...
Nicolas Robidoux, Minglun Gong, John Cupitt, Adam ...
ICASSP
2008
IEEE
15 years 4 months ago
Sparse reconstruction by separable approximation
Finding sparse approximate solutions to large underdetermined linear systems of equations is a common problem in signal/image processing and statistics. Basis pursuit, the least a...
Stephen J. Wright, Robert D. Nowak, Mário A...
GLOBECOM
2006
IEEE
15 years 3 months ago
Sum Rate Maximization and Transmit Power Minimization for Multi-User Orthogonal Space Division Multiplexing
—We demonstrate that receive antenna selection (RAS) provides significant increase in the achievable sum rates for multi-user MIMO wireless downlinks that employ block diagonaliz...
Boon Chin Lim, Christian Schlegel, Witold A. Krzym...
ISCAS
2006
IEEE
112views Hardware» more  ISCAS 2006»
15 years 3 months ago
Differential and geometric properties of Rayleigh quotients with applications
the following cost functions: In this paper, learning rules are proposed for simultaneous corn- GI(U) = tr{(UTU)(UTBU)-lD, (la) putation of minor eigenvectors of a covariance matri...
M. A. Hasan
IWCMC
2006
ACM
15 years 3 months ago
A novel broadcast technique for high-density ad hoc networks
Broadcasting in ad hoc networks is required for many routing and other network-layer protocols to request information like routes or locations about destination nodes. Most of the...
Ai Hua Ho, Alexander J. Aved, Kien A. Hua