Convex Denoising using Non-Convex Tight Frame Regularization.

Ankit Parekh Ivan W. Selesnick

Published in: IEEE Signal Process. Lett. (2015)

Keyphrases

upper bound
denoising
convex optimization
risk minimization
convex formulation
convex hull
total variation
image denoising
globally optimal
piecewise linear
minimization problems
least squares