Title :
The sparse approximation with combined dictionary of the acoustic signals
Author :
Marapulets, Yury V. ; Tristanov, Alexander B. ; Lukovenkova, Olga O. ; Afanaseva, Alina A.
Author_Institution :
Far-Eastern Branch, Inst. of Cosmophys. Res. & Radio Wave Propagation, Paratunka, Russia
fDate :
June 30 2014-July 4 2014
Abstract :
In 2011 acoustic researches laboratory first proposed the sparse approximation method for detailed inner structure analysis of the geoacoustic emission signals measured continuously in Kamchatka. This paper considers the use of combined dictionaries for signal sparse approximation. The improved matching pursuit algorithm of refinement in the parameter space is proposed.
Keywords :
acoustic signal processing; approximation theory; compressed sensing; iterative methods; Kamchatka; acoustic researches laboratory; combined dictionaries; detailed inner structure analysis; geoacoustic emission signals; improved matching pursuit algorithm; parameter space; signal sparse approximation; sparse approximation method; Approximation algorithms; Approximation methods; Dictionaries; Electronic mail; Matching pursuit algorithms; Noise; Signal processing algorithms;
Conference_Titel :
Computer Technologies in Physical and Engineering Applications (ICCTPEA), 2014 International Conference on
Conference_Location :
St. Petersburg
Print_ISBN :
978-1-4799-5315-8
DOI :
10.1109/ICCTPEA.2014.6893304
