Function: wfilt_hden
WFILT_HDEN  Higher DENsity dwt filters (tight frame, frame)
  Usage: [h,g,a] = wfilt_hden(K);

  [h,g,a]=WFILT_HDEN(K) with K in {1,2,3,4} returns Higher DENsity 
  dwt filters (tight frame, frame) from the reference. The filterbanks 
  have 3 channels and unusual non-uniform subsamplig factors [2,2,1].

  Examples:
  ---------
  :
    wfiltinfo('hden3');

  :
    wfiltinfo('ana:hden4');

  References:
    I. Selesnick. A higher density discrete wavelet transform. IEEE
    Transactions on Signal Processing, 54(8):3039--3048, 2006.
    
    

Url: http://ltfat.github.io/doc/wavelets/wfilt_hden.html

Package: ltfat