Non-blind Image Deblurring from a Single Image
Zhao, Bo; Zhang, Wensheng; Ding, Huan; Wang, Hu
2013-03-01
发表期刊COGNITIVE COMPUTATION
卷号5期号:1页码:3-12
文章类型Article
摘要Conventional non-blind image deblurring algorithms often involve in maximum a posteriori (MAP) estimation and natural image priors. However, MAP estimation has several disadvantages which limit its application. To address these issues, we propose to use Bayesian minimum mean squared error (MMSE) estimation instead of MAP to perform deblurring. The new method is based on high-order non-local range-Markov random field (NLR-MRF) prior, which is an effective statistical framework to model prior knowledge of natural images. The high-order NLR-MRF prior can be integrated into MMSE framework naturally. Then, an efficient Gibbs sampling algorithm is employed to compute MMSE estimation. For convenience of computation, we convert to solve a least-squares problem for sampling latent sharp images. The proposed method frees the users from determining regularization parameter beforehand, which relies on unknown noise level. Both quantitative and qualitative evaluations show superior or comparable results to the state-of-the-art deblurring methods.
关键词Image Deblurring Image Prior Nlr-mrf Map Estimation Mmse Estimation Gibbs Sampling
WOS标题词Science & Technology ; Technology ; Life Sciences & Biomedicine
关键词[WOS]DECONVOLUTION ; RESTORATION
收录类别SCI
语种英语
WOS研究方向Computer Science ; Neurosciences & Neurology
WOS类目Computer Science, Artificial Intelligence ; Neurosciences
WOS记录号WOS:000315569800002
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9996
专题精密感知与控制研究中心_精密感知与控制
作者单位Chinese Acad Sci, Inst Automat, State Key Lab Intelligent Control & Management Co, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714
Zhao, Bo,Zhang, Wensheng,Ding, Huan,et al. Non-blind Image Deblurring from a Single Image[J]. COGNITIVE COMPUTATION,2013,5(1):3-12.
APA Zhao, Bo,Zhang, Wensheng,Ding, Huan,&Wang, Hu.(2013).Non-blind Image Deblurring from a Single Image.COGNITIVE COMPUTATION,5(1),3-12.
MLA Zhao, Bo,et al."Non-blind Image Deblurring from a Single Image".COGNITIVE COMPUTATION 5.1(2013):3-12.
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