Image Recovery by Decomposition with Component-Wise Regularization

Shunsuke ONO, Takamichi MIYATA, Isao YAMADA, Katsunori YAMAOKA

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Summary :

Solving image recovery problems requires the use of some efficient regularizations based on a priori information with respect to the unknown original image. Naturally, we can assume that an image is modeled as the sum of smooth, edge, and texture components. To obtain a high quality recovered image, appropriate regularizations for each individual component are required. In this paper, we propose a novel image recovery technique which performs decomposition and recovery simultaneously. We formulate image recovery as a nonsmooth convex optimization problem and design an iterative scheme based on the alternating direction method of multipliers (ADMM) for approximating its global minimizer efficiently. Experimental results reveal that the proposed image recovery technique outperforms a state-of-the-art method.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E95-A No.12 pp.2470-2478
Publication Date
2012/12/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E95.A.2470
Type of Manuscript
PAPER
Category
Image

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