1 code implementation • 7 Jan 2020 • Seyoon Ko, Hua Zhou, Jin Zhou, Joong-Ho Won
To our knowledge, this is the first demonstration of the feasibility of penalized regression of survival outcomes at this scale.
Computation
1 code implementation • 31 Oct 2018 • Ernest K. Ryu, Seyoon Ko, Joong-Ho Won
Many imaging problems, such as total variation reconstruction of X-ray computed tomography (CT) and positron-emission tomography (PET), are solved via a convex optimization problem with near-circulant, but not actually circulant, linear systems.
Optimization and Control
1 code implementation • 21 Feb 2017 • Seyoon Ko, Donghyeon Yu, Joong-Ho Won
From this unification we propose a continuum of preconditioned forward-backward operator splitting algorithms amenable to parallel and distributed computing.
no code implementations • 28 Jan 2016 • Evan Racah, Seyoon Ko, Peter Sadowski, Wahid Bhimji, Craig Tull, Sang-Yun Oh, Pierre Baldi, Prabhat
Experiments in particle physics produce enormous quantities of data that must be analyzed and interpreted by teams of physicists.