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MINIMIZATION PROBLEMS AND ASSOCIATED FLOWS RELATED TO WEIGHTED p ENERGY AND TOTAL VARIATION.

Bibliographic Details
Title: MINIMIZATION PROBLEMS AND ASSOCIATED FLOWS RELATED TO WEIGHTED p ENERGY AND TOTAL VARIATION.
Authors: Yunmer Chen, Rao, Murali
Superior Title: SIAM Journal on Mathematical Analysis. 2003, Vol. 34 Issue 5, p1084. 21p.
Subject Terms: *IMAGE reconstruction, *SPACE groups, *PARABOLIC differential equations, *PARTIAL differential equations, *EQUATIONS
Abstract: Motivated by the problem of edge preserving regularization in image restoration, in this paper we investigate the relations between weighted p energy based and total variation based minimization problems and their associated flows. We prove that, the weighted total variation based minimization and its associated flow in a weakened formulation carl be approximated by the weighted p energy based minimization and its associated flows, respectively. Moreover, we show that the flow of the weighted total variation based minimization converges weakly in BV and strongly in L² to the minimizer as t → ∞. [ABSTRACT FROM AUTHOR]
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