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Gaussian Cramer-Rao bound for direction estimation of noncircular signals in unknown noise fields.
Habti Abeida
Jean Pierre Delmas
Published in:
IEEE Trans. Signal Process. (2005)
Keyphrases
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cramer rao
lower bound
noise level
gaussian noise
upper bound
noisy images
noise reduction
fisher information
estimation error
signal to noise ratio
worst case
np hard
computer vision
graphical models
gaussian mixture
denoising
objective function