Second Stage Filters
[af,sf]=dualfilt1('f') af=dualfilt1('a') sf=dualfilt1('s')
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.
[af,sf]=dualfilt1('f');
Roger Liu and Isaac Zhi