129 citations · 152 across the 4 of their papers we have counts for
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math.ST2016
Pearson information-based lower bound on Fisher information
Dave Zachariah, Petre Stoica
The Fisher information matrix (FIM) plays an important role in the analysis of parameter inference and system design problems. In a number of cases, however, the statistical data d…
math.ST2014★ 129 cited
Weighted SPICE: A Unifying Approach for Hyperparameter-Free Sparse Estimation
Petre Stoica, Dave Zachariah, Jian Li
In this paper we present the SPICE approach for sparse parameter estimation in a framework that unifies it with other hyperparameter-free methods, namely LIKES, SLIM and IAA. Speci…
math.ST2012★ 22 cited
Dynamic Iterative Pursuit
Dave Zachariah, Saikat Chatterjee, Magnus Jansson
For compressive sensing of dynamic sparse signals, we develop an iterative pursuit algorithm. A dynamic sparse signal process is characterized by varying sparsity patterns over tim…