Hi Craig, that's a start! On 10/27/2015 06:40 PM, Craig DeForest wrote: > The FFTW3 library has DCTs in it, but the current PDL module > PDL::FFTW3 does not bind to them. You could add the bindings > yourself (with either my or Dima’s help if you want), or just use the > FFT itself. The latter is simple since you can just Fourier transform > a padded version of your data with the correct boundary conditions. I will look at the PDL::FFTW3 code and see how difficult that is. > > If you want wavelet stuff, I have a binding to Daniel Vollmer’s > wavelet compression library that I could send you. That has a wavelet > transform in it, and you can choose > your mother wavelet (I think it implements Haar and Morlet mother > wavelets). I used the library for some stuff, but never got around to > making it publication quality. I'd be grateful if you share that code. > > Cheers, > Craig > Thanks Ingo > > > > > http://www.fftw.org/doc/1d-Real_002deven-DFTs-_0028DCTs_0029.html > > >> On Oct 27, 2015, at 10:37 AM, Ingo Schmid <[email protected] >> <mailto:[email protected]>> wrote: >> >> Hi, >> >> I'd like to experiment with either discrete cosine transforms or >> wavelet transforms. Are there any implementations in PDL? >> >> Ingo >> ------------------------------------------------------------------------------ >> _______________________________________________ >> pdl-general mailing list >> [email protected] >> <mailto:[email protected]> >> https://lists.sourceforge.net/lists/listinfo/pdl-general >
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