[SciPy-Dev] question of scope wavelet code

[Gregory Lee]

> It's been a while (~7 years ago), but I used the contourlet toolbox for
> denoising in PET image reconstruction.  It seemed to work better than
> regular 2D DWT but if I remember right there was an improved version of
> the contourlet (ref. 10 on the contourlet wikipedia page) that wasn't
> ever incorporated into the original matlab toolbox. Another transform I
> ended up using more was the dual-tree complex WT
> (http://en.wikipedia.org/wiki/Complex_wavelet_transform) and matlab code
> from Nick Kingsbury's web site
> (http://www-sigproc.eng.cam.ac.uk/Main/NGK). This WT has approximate
> shift invariance
> (http://en.wikipedia.org/wiki/Complex_wavelet_transform#cite_ref-4)
> which is nice when working with images.
> --
> Jon
>
>
Hi Jon,

I recently found that the Dual-Tree Complex Wavelet Toolbox has a python
port, but couldn't find the license info for it
https://github.com/rjw57/dtcwt.

- Greg
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