Name
orthfilt — orthogonal wavelet filter set
Calling Sequence
[Lo_D,Hi_D,Lo_R,Hi_R]=orthfilt(w)
Parameters
- w
-
: scaling filter
- Lo_D
-
: lowpass analysis filter
- Hi_D
-
: highpass analysis filter
- Lo_R
-
: lowpass synthesis filter
- Hi_R
-
: highpass synthesis filter
Description
orthfilt is an utility function for obtaining analysis and
synthesis filter set of given orthogonal wavelets including
haar, daubechies, coiflets and symlets.
Examples
w=dbwavf('db2');
[lo_d,hi_d,lo_r,hi_r]=orthfilt(w);
Authors
Roger Liu and Isaac Zhi