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Multilevel algorithm for a Poisson noise removal model with total-variation regularization.
Iain S. Duff
Serge Gratton
Xavier Pinel
Xavier Vasseur
Published in:
Int. J. Comput. Math. (2007)
Keyphrases
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objective function
computational complexity
closed form
em algorithm
noise removal
image processing
similarity measure
expectation maximization
synthetic and real images
total variation regularization
denoising
augmented lagrangian method
convex optimization