5075 search results - page 412 / 1015 » Convergence |
177
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ICASSP
2008
IEEE
16 years 1 months ago
2008
IEEE
We describe the underlying probabilistic generative signal model of non-negative matrix factorisation (NMF) and propose a realistic conjugate priors on the matrices to be estimate...
189
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ICASSP
2008
IEEE
16 years 1 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...
144
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ICASSP
2008
IEEE
16 years 1 months ago
2008
IEEE
Adaptive filtering schemes are subject to different tradeoffs regarding their steady-state misadjustment, speed of convergence and tracking performance. To alleviate these comp...
147
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ICASSP
2008
IEEE
16 years 1 months ago
2008
IEEE
One of the most popular algorithms for blind equalization is the Constant Modulus Algorithm (CMA), due to its simplicity and low computational cost. However, if the step-size is n...
138
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ICASSP
2008
IEEE
16 years 1 months ago
2008
IEEE
Recently, we proposed a model for the steady-state estimation error of real-valued constant-modulus-based algorithms as a function of the a priori error and of a term that measure...