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题名:
A blur estimation and detection method for out-of-focus images
作者: Hong, Yuzhen; Ren, Guoqiang; Liu, Enhai; Sun, Jian
刊名: MULTIMEDIA TOOLS AND APPLICATIONS
出版日期: 2016-09-01
卷号: 75, 期号:18, 页码:10807-10822
关键词: Sharpness ; Blurriness ; Blur detection ; No-reference ; Out-of-focus ; PSF ; Gradient profile
DOI: 10.1007/s11042-015-2792-1
文章类型: Article
英文摘要: With the analysis of the features of image edge based on the defocused model of optical imaging system, a blur estimation and detection method for out-of-focus images is proposed. The essential idea is to estimate the parameter of the point spread function, which reflects the blurriness of image. Based on the notion, the proposed method estimates the parameter values by different straight edges in the image, and the parameter distribution is used to measure the image blurriness. Then it can determine whether an image is blurred or not by comparing with a predetermined threshold. Experiment results show that the proposed blur metric is highly correlated to subjective visual perception, and it can be implemented to estimate and detect the blurriness for out-of-focus images with different scenes.
WOS标题词: Science & Technology ; Technology
类目[WOS]: Computer Science, Information Systems ; Computer Science, Software Engineering ; Computer Science, Theory & Methods ; Engineering, Electrical & Electronic
研究领域[WOS]: Computer Science ; Engineering
关键词[WOS]: QUALITY ASSESSMENT ; SINGLE IMAGE ; ALGORITHM
收录类别: SCI
语种: 英语
WOS记录号: WOS:000382679900001
ISSN号: 1380-7501
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ioe.ac.cn/handle/181551/6476
Appears in Collections:光电技术研究所被WoS收录文章_期刊论文

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作者单位: Chinese Acad Sci, Inst Opt & Elect, Chengdu, Sichuan, Peoples R China

Recommended Citation:
Hong, Yuzhen,Ren, Guoqiang,Liu, Enhai,et al. A blur estimation and detection method for out-of-focus images[J]. MULTIMEDIA TOOLS AND APPLICATIONS,2016,75(18):10807-10822.
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