Name
wfilters — wavelet filter set
Calling Sequence
[Lo_D,Hi_D,Lo_R,Hi_R]=wfilters(wname)
[Lo_D,Hi_D]=wfilters(wname,'d')
[Lo_R,Hi_R]=wfilters(wname,'r')
[Lo_D,Lo_R]=wfilters(wname,'l')
[Hi_D,Hi_R]=wfilters(wname,'h')
Parameters
- wname
-
: wavelet name
- Lo_D
-
: lowpass analysis filter
- Hi_D
-
: highpass analysis filter
- Lo_R
-
: lowpass synthesis filter
- Hi_R
-
: highpass synthesis filter
Description
wfilters is an utility function for obtaining analysis and
synthesis filter set.
Examples
[lo_d,hi_d,lo_r,hi_r]=wfilters('db2');
Authors
Roger Liu and Isaac Zhi