superhero Posted September 8, 2010 Report Share Posted September 8, 2010 What else I could use as feature extraction in a time series signal? Wavelet transform? Any others? Quote Link to comment
Cat Posted September 9, 2010 Report Share Posted September 9, 2010 What features in particular are you looking to extract? Why won't using spectra work? Quote Link to comment
superhero Posted September 9, 2010 Author Report Share Posted September 9, 2010 What features in particular are you looking to extract? Why won't using spectra work? I am trying to do some analysis which is difference than others. That's why I try to find whether any other transformations of my signal could extract other (unknown) features. Quote Link to comment
Black Pearl Posted September 9, 2010 Report Share Posted September 9, 2010 Look at the (auto)correlation. Felix Quote Link to comment
Anders Björk Posted September 11, 2010 Report Share Posted September 11, 2010 What else I could use as feature extraction in a time series signal? Wavelet transform? Any others? Do wavelet transform and fft on the coeffiecnts on each wavelet scale http://onlinelibrary.wiley.com/doi/10.1002/cem.731/abstract Quote Link to comment
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