120 citations · 313 across the 25 of their papers we have counts for
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stat.AP2014★ 120 cited
Regularized -estimators of scatter matrix
Esa Ollila, David E. Tyler
In this paper, a general class of regularized -estimators of scatter matrix are proposed which are suitable also for low or insufficient sample support (small and large )…
cs.IT2014★ 6 cited
Robust iterative hard thresholding for compressed sensing
Esa Ollila, Hyon-Jung Kim, Visa Koivunen
Compressed sensing (CS) or sparse signal reconstruction (SSR) is a signal processing technique that exploits the fact that acquired data can have a sparse representation in some ba…