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Convex Denoising using Non-Convex Tight Frame Regularization.
Ankit Parekh
Ivan W. Selesnick
Published in:
IEEE Signal Process. Lett. (2015)
Keyphrases
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upper bound
denoising
convex optimization
risk minimization
convex formulation
convex hull
total variation
image denoising
globally optimal
piecewise linear
minimization problems
least squares