ICASSP
2010
IEEE
15 years 18 days ago
2010
IEEE
We consider the estimation of a sparse parameter vector from measurements corrupted by white Gaussian noise. Our focus is on unbiased estimation as a setting under which the difï¬...
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ESANN
2004
15 years 1 months ago
2004
Abstract. A well-known result by Stein shows that regularized estimators with small bias often yield better estimates than unbiased estimators. In this paper, we adapt this spirit ...