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Spatial-scale-regularized blur kernel estimation for blind image deblurring

delete2018-10-01
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PRE
AI
S
Shu Tang *
X
Xianzhong Xie
M
Ming Xia
L
Lei Luo
P
Peisong Liu
Z
Zhixing Li
DOI:10.1016/j.image.2018.07.010delete
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摘要

摘要

En 中文
Blind image deblurring is a long-standing and challenging inverse problem in image processing. In this paper, we propose a new spatial-scale-regularized approach to estimate a blur kernel (BK) from a single motion blurred image by regularizing the spatial scale sizes of image edges. Furthermore, by applying shock filter into the proposed model, our method is able to recover sharp large-scale edges for accurate BK estimation. Finally, we propose an efficient optimization strategy which can solve the proposed model efficiently. Extensive experiments compared with state-of-the-art blind motion deblurring methods demonstrate the effectiveness of the proposed method in terms of subjective vision, deconvolution error ratio (DER), peak signal-to-noise ratio (PSNR), self-similarity measure (SSIM), and sum of squared differences error (SSDE).
Keyword:
Blind image deblurring
Spatial scale
Shock filter
Large-scale edges
Blur kernel
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期刊

S
Signal Processing and Image Communication
IF:
2.7
论文数:
2.8K
被引数:
4.2K

机构

C
chongqing university of posts & telecommunications
学者数:
6.7K
论文数: 5.3K
被引数: 5
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