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Time-Frequency Ridge Analysis Based on the Reassignment Vector

Meignen, Sylvain and Gardner, Timothy J. and Oberlin, Thomas Time-Frequency Ridge Analysis Based on the Reassignment Vector. (2015) In: 23rd European Signal and Image Processing Conference (EUSIPCO 2015), 31 August 2015 - 4 September 2015 (Nice, France).

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Official URL: http://dx.doi.org/10.1109/EUSIPCO.2015.7362631

Abstract

This paper considers the problem of detecting and estimating AM/FM components in the time-frequency plane. It introduces a new algorithm to estimate the ridges corresponding to the instantaneous frequencies of the components, and to segment the time-frequency plane into different `basins of attraction', each basin corresponding to one mode. The technique is based on the structure of the reassignment vector, which is commonly used for sharpening time-frequency representations. Compared with previous approaches, this new method does not need extra parameters, exhibits less sensitivity to the choice of the window and shows better reconstruction performance. Its effectiveness is demonstrated on simulated and real datasets.

Item Type:Conference or Workshop Item (Paper)
Additional Information:Thanks to IEEE editor. The definitive version is available at http://ieeexplore.ieee.org This papers appears in Proceedings of EUSIPCO 2015 ISBN : 978-0-9928626-3-3 The original PDF of the article can be found at : http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=7362631&tag=1
HAL Id:hal-01327104
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS (FRANCE)
Université de Toulouse > Université Toulouse - Jean Jaurès - UT2J (FRANCE)
Université de Toulouse > Université de Toulouse I-Sciences Sociales - UT1 (FRANCE)
Other partners > Boston University (USA)
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Deposited By: IRIT IRIT
Deposited On:17 May 2016 13:48

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