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- W2361168223 abstract "Singularities and irregular structures typically characterize the content of signals.The Lipschitz Exponent(LE) is the most popular measure of the singularity behavior of a signal.Most of the existing methods of measuring LE using wavelet transform are derived from the previous work of Mallat and Hwang,which equals LE to the maximum slope of straight lines that remain above the wavelet transform modulus maxima(WTMM) curve in the log-log plot of scale s versus WTMM.However this method is not always robust and precise especially in noise environment,because it is only the particular case of the inequation(25) in [1].In this paper we adopt a new area-based objective function.Based on it,we choice the slope of the line,which minimize the objective function,as the value of LE from all the lines satisfying the inequation(25) in [1].The results of experiment demonstrate that this method is more precise and robust." @default.
- W2361168223 created "2016-06-24" @default.
- W2361168223 creator A5083581319 @default.
- W2361168223 date "2008-01-01" @default.
- W2361168223 modified "2023-09-28" @default.
- W2361168223 title "A Novel Method of Measuring Lipschitz Exponent Based on Wavelet Transform Modulus Maxima" @default.
- W2361168223 hasPublicationYear "2008" @default.
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