QIU Tianshuang   

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Paper Publications

图像去模糊的l0范数最小化方法

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Indexed by:Journal Article

Date of Publication:2012-11-25

Journal:信号处理

Included Journals:CSCD、ISTIC、PKU

Volume:28

Issue:11

Page Number:1493-1497

ISSN:1003-0530

Key Words:图像去模糊;l0-范数;交替方向法

Abstract:针对经典的图像去模糊问题,提出了一种基于l0-范数约束的图像去模糊算法.该算法结合图像稀疏性的特点,利用l0-范数作为正则项约束,保证了恢复图像的稀疏性要求.为了有效的求解l0-范数优化问题,引入两个辅助变量,将原问题分解为两个子优化问题,并采用交替方向法进行快速求解.实验结果表明,对于不同程度的高斯模糊和运动模糊,该算法都能够得到有效的恢复结果.

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