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ICASSP
2008
IEEE
15 years 6 months ago
2008
IEEE
Super-resolution reconstruction algorithms assume the availability of exact registration and blur parameters. Inaccurate estimation of these parameters adversely affects the quali...
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ICASSP
2008
IEEE
15 years 6 months ago
2008
IEEE
In this paper we address the image restoration problem in the variational framework. Classical approaches minimize the Lp norm of the residual and rely on parametric assumptions o...
ICASSP
2008
IEEE
15 years 6 months ago
2008
IEEE
Nonnegative Tucker decomposition (NTD) is a recent multiway extension of nonnegative matrix factorization (NMF), where nonnegativity constraints are incorporated into Tucker model...
ICASSP
2008
IEEE
15 years 6 months ago
2008
IEEE
Owing to the lack of resolution of the measurement and the randomness inherent in the signal and the measuring devices, the measurement noise is often signal-dependent. Although t...
ICASSP
2008
IEEE
15 years 6 months ago
2008
IEEE
A novel blind subspace-based channel estimation technique is developed for direct-sequence code division multiple-access (DS-CDMA) systems operating in unknown wide-sense stationa...