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IEICE TRANSACTIONS on Fundamentals

Image Regularization with Total Variation and Optimized Morphological Gradient Priors

Shoya OOHARA, Mitsuji MUNEYASU, Soh YOSHIDA, Makoto NAKASHIZUKA

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Summary :

For image restoration, an image prior that is obtained from the morphological gradient has been proposed. In the field of mathematical morphology, the optimization of the structuring element (SE) used for this morphological gradient using a genetic algorithm (GA) has also been proposed. In this paper, we introduce a new image prior that is the sum of the morphological gradients and total variation for an image restoration problem to improve the restoration accuracy. The proposed image prior makes it possible to almost match the fitness to a quantitative evaluation such as the mean square error. It also solves the problem of the artifact due to the unsuitability of the SE for the image. An experiment shows the effectiveness of the proposed image restoration method.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E102-A No.12 pp.1920-1924
Publication Date
2019/12/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E102.A.1920
Type of Manuscript
Special Section LETTER (Special Section on Smart Multimedia & Communication Systems)
Category
Image

Authors

Shoya OOHARA
  Kansai University
Mitsuji MUNEYASU
  Kansai University
Soh YOSHIDA
  Kansai University
Makoto NAKASHIZUKA
  Chiba Institute of Technology

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