Abstract
AbstractWe analyze an exchange algorithm for the numerical solution total-variation regularized inverse problems over the space $$\mathcal {M}(\varOmega )$$
M
(
Ω
)
of Radon measures on a subset $$\varOmega $$
Ω
of $$\mathbb {R}^d$$
R
d
. Our main result states that under some regularity conditions, the method eventually converges linearly. Additionally, we prove that continuously optimizing the amplitudes of positions of the target measure will succeed at a linear rate with a good initialization. Finally, we propose to combine the two approaches into an alternating method and discuss the comparative advantages of this approach.
Publisher
Springer Science and Business Media LLC
Subject
General Mathematics,Software
Cited by
18 articles.
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