Name
dualfilt1 — Second Stage Filters
Calling Sequence
[af,sf]=dualfilt1('f')
af=dualfilt1('a')
sf=dualfilt1('s')
Parameters
- c
-
: flag, 'f' for full, 'a' for analysis and 's' for synthesis
- af
-
: analysis filter, 4x10 matrix, real branch low and high pass filters and imagery branch low and high pass filters
- sf
-
: synthesis filter
Description
dualfilt1 is an utility function for obtaining second and further stage filters for dualtree complex wavelet transform. Refer to Professor Ivan Selesnick's webpage at Brooklyn Polytech, NY.
Examples
[af,sf]=dualfilt1('f');
Authors
Roger Liu and Isaac Zhi