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

See Also

waverec