14 citations · 26 across the 12 of their papers we have counts for
Showing 2012Show all
3 papers · 1 filter
math.ST2012★ 1 cited
Mixture model for designs in high dimensional regression and the LASSO
Mohamed Ibrahim Assoweh, Emmanuel Caron, Stéphane Chrétien
The LASSO is a recent technique for variable selection in the regression model \bean y & = & Xβ+ z, \eean where and is a centered gaussian i.i.d. noise ve…
stat.CO2012★ 1 cited
On EM algorithms and their proximal generalizations
Stéphane Chrétien, Alfred O. Hero
In this paper, we analyze the celebrated EM algorithm from the point of view of proximal point algorithms. More precisely, we study a new type of generalization of the EM procedure…
stat.CO2012
Kullback Proximal Algorithms for Maximum Likelihood Estimation
Stéphane Chrétien, Alfred O. Hero
Accelerated algorithms for maximum likelihood image reconstruction are essential for emerging applications such as 3D tomography, dynamic tomographic imaging, and other high dimens…