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Technology of Graphic & Image
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630-635

Adaptive iterative stopping criterion for deblurring algorithm

Jiang Shunliang
Jiang Yinnan
Zeng Xiaoxia
Tang Yiling
Xu Shaoping
School of Information Engineering, Nanchang University, Nanchang 330031, China

Abstract

Currently, due to lack of effective iterative stopping criterion(ISC), most of the ID algorithms are usually implemented with fixed iteration steps, leading to the low efficiency and poor deblurring results. Therefore, this paper proposed a deblurring measure(DM) based on the residual image(the difference between the intermediate estimated image convoluted with blur kernel and blur image during each iterative step). Based on the proposed DM metric, it designed and applied an adaptive iterative stopping criterion(AISC) to the classic nonlocally centralized sparse representation(NCSR). Extensive experiments on uniform blur, Gaussian blur and motion blur show that, compared with the original NCSR algorithm using fixed iteration steps, the NCSR algorithm adopting AISC has an obvious advantages in terms of efficiency and the reconstructed images have a similar image quality in terms of peak signal-to-noise ratio(PSNR), structural similarity(SSIM) and feature similarity(FSIM).

Foundation Support

国家自然科学基金资助项目(61662044,61163023,61379018,51765042)
江西省自然科学基金资助项目(20171BAB202017)
江西省研究生创新专项基金资助项目(YC 2018-S066)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2017.09.0920
Publish at: Application Research of Computers Printed Article, Vol. 36, 2019 No. 2
Section: Technology of Graphic & Image
Pages: 630-635
Serial Number: 1001-3695(2019)02-068-0630-06

Publish History

[2019-02-05] Printed Article

Cite This Article

江顺亮, 姜尹楠, 曾小霞, 等. 适用于迭代型去模糊算法的自适应迭代终止条件 [J]. 计算机应用研究, 2019, 36 (2): 630-635. (Jiang Shunliang, Jiang Yinnan, Zeng Xiaoxia, et al. Adaptive iterative stopping criterion for deblurring algorithm [J]. Application Research of Computers, 2019, 36 (2): 630-635. )

About the Journal

  • Application Research of Computers Monthly Journal
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    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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