NDLI: Time-frequency ridge analysis based on the reassignment vector

Content Provider	IEEE Xplore Digital Library
Author	Meignen, S. Gardner, T. Oberlin, T.
Copyright Year	2015
Description	Author affiliation: Lab. Jean Kuntzmann, Grenoble, France (Meignen, S.) \|\| Boston Univ., Boston, MA, USA (Gardner, T.) \|\| INP-ENSEEIHT & IRIT, Univ. of Toulouse, Toulouse, France (Oberlin, T.)
Abstract	This paper considers the problem of detecting and estimating AM/FM components in the time-frequency plane. It intro duces a new algorithm to estimate the ridges corresponding to the instantaneous frequencies of the components, and to seg ment 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 per formance. Its effectiveness is demonstrated on simulated and real datasets.
Starting Page	1486
Ending Page	1490
File Size	568069
Page Count	5
File Format	PDF
ISBN	9780992862633
ISSN	20761465
DOI	10.1109/EUSIPCO.2015.7362631
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-08-31
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	EURASIP
Subject Keyword	Time-frequency analysis Fourier transforms Time-frequency Chirp Europe Multicomponent signals Ridges Reassignment AM/FM Spectrogram Signal to noise ratio Short-time Fourier transform
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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