Á. R. De Pierro

Fast EM-like methods for maximum "a posteriori" estimates in emission tomography.

Á. R. De Pierro, M. E. Beleza Yamagishi, Á. D. De Pierro, 2001, IEEE transactions on medical imaging.

A modified expectation maximization algorithm for penalized likelihood estimation in emission tomography.

Á. R. De Pierro, Á. D. De Pierro, 1995, IEEE transactions on medical imaging.

On perturbed steepest descent methods with inexact line search for bilevel convex optimization

Elias Salomão Helou Neto, Á. R. De Pierro, E. Neto, 2011 .

Convergence results for scaled gradient algorithms in positron emission tomography

Á. R. De Pierro, Elias Salomão Helou Neto, 2005 .