Abstract
Multidimensional NMR experiments applied in e.g. protein NMR may take days or even weeks of expensive experimental time. Compressed sensing (CS) is a method to save this time: some measurements are skipped and then reconstructed with the help of special algorithms. The orthogonal matching pursuit (OMP) is one of the effective tools of compressed sensing field. In this paper we introduce a jackknife-type stopping criterion for OMP. Unlike the standard stopping criteria, it does not require an estimation of the noise level. We extend the concept to the lorentzian peaks matching pursuit (LPMP) algorithm.
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Funding
Authors thank Foundation for Polish Science for financial support from FIRST TEAM program co-financed by the European Union under the European Regional Development Fund no. First TEAM/2017-4/34.
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Kasprzak, P., Kazimierczuk, K. & Shchukina, A.L. On Jackknifed Greedy Algorithms and Their Applications in NMR. Bull. Russ. Acad. Sci. Phys. 84, 1335–1340 (2020). https://doi.org/10.3103/S1062873820110143
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DOI: https://doi.org/10.3103/S1062873820110143