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ddencmp

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 or matrix

IN1:

IN1 is 'den' for de-noising or 'cmp' for compression.

IN2:

IN2 is 'wv' for wavelet or 'wp' for wavelet packet.

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)

See also

Authors


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