recmodulationTI

 

 Translation Invariant Modulation Estimator 

 

DESCRIPTION

Estimate the intensity function using the translation-invariant version of a modulation estimator based on a partition of length 1.

USAGE

f = recmodulationTI(signal,lev,h)

REQUIRED ARGUMENTS
 

signal

1-d Noisy signal, length(signal)= 2^J

lev

Coarsest resolution level

h

Quadrature mirror filter for wavelet transform
OPTIONAL ARGUMENTS

h

Optional, Default = Symmlet 8

lev

Optional, Default= 4
VALUE
 

f

  Estimated intensity function  

 

BACKGROUND

The procedure has been developed by Antoniadis and Sapatinas (2001) and is based on modulation estimators.

REFERENCES

Antoniadis, A. & Sapatinas, T. (2001). Wavelet shrinkage for natural exponential families with quadratic variance functions.  Biometrika, 88, 805-820.

ACKNOWLEDGEMENT

The recmodulationTI function is based on a Matlab routine kindly provided by Anestis Antoniadis and Theofanis Sapatinas.

SEE ALSO

recmodulation