Scilab Wavelet Toolbox Function
Last update : June 2007
upwlev2 - Single Level Reconstruction from two dimension multiple level decompostion
Calling Sequence
-
[NC,NS,CA]=upwlev2(c,s,wname)
-
[NC,NS,CA]=upwlev2(c,s,Lo_R,Hi_R)
Parameters
-
wname
: wavelet name
-
NC
: upward level coefficent array
-
NS
: upward level size array
-
CA
: approximation coeffient at the last level
-
Lo_R
: lowpass synthesis filter
-
Hi_R
: highpass syntheis filter
-
c
: coefficent array
-
s
: size array
Description
upwlev is for single level reconstruction.
Examples
x=rand(100,100);
[C,S]=wavedec2(x,3,'db2');
[NC,NL,CA3]=upwlev2(C,S,'db2');
Author
Roger Liu and Isaac Zhi
See Also
wavedec2
,
waverec2
,