Name
ddencomp — Default values for de-noising or compression
Calling Sequence
[THR,SORH,KEEPAPP,CRIT] = ddencmp(IN1,IN2,X)
[THR,SORH,KEEPAPP] = ddencmp(IN1,'wv',X)
[THR,SORH,KEEPAPP,CRIT] = ddencmp(IN1,'wp',X)
Parameters
- X
-
: double vector
- IN2
-
: IN2 is 'wv' for wavelet or 'wp' for wavelet packet.
- IN1
-
: IN1 is 'den' for de-noising or 'cmp' for compression.
- CRIT
-
: entropy name
- KEEPAPP
-
: keep aproximation coefficients
- SORH
-
: hard / soft thresholding
- THR
-
: threshold
Description
ddencmp gives default values for all the general procedures related to de-noising and compression of one- or two-dimensional signals, using wavelets or wavelet packets.
Examples
init = 2055415866; rand('seed',init);
x = rand(1,1000,'normal');
[thr,sorh,keepapp] = ddencmp('den','wv',x)
Authors
Roger Liu and Isaac Zhi