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Feb, 2018
非凸主降-最小化复合优化
Composite Optimization by Nonconvex Majorization-Minimization
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Jonas Geiping, Michael Moeller
TL;DR
我们考虑了一类非凸主泛函,证明这些主泛函仍足以保证全局收敛的优化算法,并通过对原始飞行时间数据的深度超分辨率来说明我们算法的行为。
Abstract
Many tasks in imaging can be modeled via the minimization of a
nonconvex composite function
. A popular class of algorithms for solving such problems are
majorization-minimization techniques
which iteratively appr
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