Bulletin KRASEC. Phys. & Math. Sci, 2014, V. 9, №. 2, pp. 70-78. ISSN 2313-0156

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DOI: 10.18454/2313-0156-2014-9-2-70-78

MSC 65C20

COMPARISON OF THE SPARSE APPROXIMATION METHODS BASED ON ITS USE TO GEOACOUSTIC EMISSION SIGNALS

O.O. Lukovenkova¹²

¹Institute of Cosmophysical Researches and Radio Wave Propagation Far-Eastern Branch, Russian Academy of Sciences, 684034, Kamchatskiy Kray, Paratunka, Mirnaya st., 7, Russia

²Vitus Bering Kamchatka State University, 683031, Petropavlovsk-Kamchatsky, Pogranichnaya st., 4, Russia

E-mail: o.o.lukovenkova@yandex.ru.

The paper is devoted to the comparative analysis of some sparse approximation methods. The first part of the paper describes general sparse approximation problem and two main approaches solved it. Classification of testing pursuit algorithm is illustrated. Features of the methods application to geoacoustic emission signals are considered in the second part. The sparseness, accuracy and runtime of described pursuit algorithms are compared.

Key words: matching pursuit, basis pursuit, geoacoustic emission.

References

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  9. Afanas’eva A.A., Lukovenkova O.O. Metody obnaruzheniya impul’sov geoakusticheskoj ‘emissii na osnove algoritmov razrezhennoj approksimacii i klasterizacii [Methods of detection pulses geoacoustical emission based on sparse approximation algorithms and clustering]. Vestnik KRAUNC. Fiziko-matematicheskie nauki – Bulletin KRASEC. Physical & Mathematical Sciences, 2013, vol. 7, no. 2, pp. 68-73.

Original article submitted: 29.11.2014

Luk

  Lukovenkova Olga Olegovna – Assistent of Dept. Informatics, Vitus Bering Kamchatka State University, Postgraduate Student, Institute of Cosmophysical Research and Radio Wave Propagation.

 

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