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ML estimation of signal power in the presence of unknown noise field-simple approximate estimator and explicit Cramer-Rao bound.
Alex B. Gershman
Alesander L. Matveyev
Johann F. Böhme
Published in:
ICASSP (1995)
Keyphrases
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rao bound
maximum likelihood
additive noise
estimation error
noise level
image processing
high quality
missing data
maximum a posteriori
estimation algorithm