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Variational approachin image restoration problems : 영상 복원 문제의 변분법적 접근
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- Authors
- Advisor
- 강명주
- Major
- 자연과학대학 수리과학부
- Issue Date
- 2013-02
- Publisher
- 서울대학교 대학원
- Description
- 학위논문 (박사)-- 서울대학교 대학원 : 수리과학부, 2013. 2. 강명주.
- Abstract
- Image restoration has been an active research area in image processing and computer vision during the past several decades. We explore variational partial
differential equations (PDE) models in image restoration problem. We start our discussion by reviewing classical models, by which the works of this dissertation are highly motivated. The content of the dissertation is divided
into two main subjects. First topic is on image denoising, where we propose non-convex hybrid total variation model, and then we apply iterative reweighted algorithm to solve the proposed model. Second topic is on image
decomposition, in which we separate an image into structural component and oscillatory component using local gradient constraint.
- Language
- English
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