Results 91 to 100 of about 167 (104)

Efficient Computation of the Non-convex Quasi-norm Ball Projection with Iterative Reweighted Approach

open access: yes
In this study, we focus on computing the projection onto the $\ell_p$ quasi-norm ball, which is challenging due to the non-convex and non-Lipschitz nature inherent in the $\ell_p$ quasi-norm with ...
An, Qi   +3 more
core  

Resolution aware nonconvex quasinorm iterative digital breast tomosynthesis imaging

open access: yesBiomedical Signal Processing and Control, 2023
Digital breast tomosynthesis is a promising modality providing 3D cross sectional images of breast. However, reconstructing the image from few projections is still a challenging task. We introduce an anisotropic total variation regularized reconstruction

exaly   +2 more sources
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A Semismooth Newton Method for Regularized L q-quasinorm Sparse Optimal Control Problems

Lecture Notes in Computational Science and Engineering, 2021
Pedro Merino
exaly  

Concentration of S-largest mutilated vectors with lp-quasinorm for 0<p⩽1 and its applications

Applied Mathematics and Computation, 2012
Yuefeng Ji, Rentao Gu
exaly  

Law of large numbers with respect to a quasinorm. I

Lithuanian Mathematical Journal, 1984
R Norvaiša, A Rackauskas
exaly  

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