40 search results - page 8 / 8 » On the Suboptimality of Linear Lossy Codes |
CCIW
2011
Springer
12 years 9 months ago
2011
Springer
The representation model that considers an image as a sparse linear combination of few atoms of a predefined or learned dictionary has received considerable attention in recent ye...
GLOBECOM
2008
IEEE
13 years 6 months ago
2008
IEEE
Abstract—This paper investigates the zero-forcing (ZF) beamforming transmit strategy in the multiple-antenna multiuser downlink systems. We consider the case of mobile users equi...
ESSMAC
2003
Springer
13 years 10 months ago
2003
Springer
Abstract. We consider a linear system, such as an estimator or a controller, in which several signals are transmitted over wireless communication channels. With the coding and medi...
TIT
2010
13 years 2 days ago
2010
Spectral efficiency for asynchronous code division multiple access (CDMA) with random spreading is calculated in the large system limit. We allow for arbitrary chip waveforms and ...
PAMI
2010
13 years 3 months ago
2010
—In this paper, we study the problem of segmenting tracked feature point trajectories of multiple moving objects in an image sequence. Using the affine camera model, this proble...