Image Deblurring with Coupled Dictionary Learning
Xiang, Shiming1; Meng, Gaofeng1; Wang, Ying1; Pan, Chunhong1; Zhang, Changshui2
2015-09-01
发表期刊INTERNATIONAL JOURNAL OF COMPUTER VISION
卷号114期号:2-3页码:248-271
文章类型Article
摘要Image deblurring is a challenging problem in vision computing. Traditionally, this task is addressed as an inverse problem that is enclosed into the image itself. This paper presents a learning-based framework where the knowledge hidden in huge amounts of available data is explored and exploited for image deblurring. To this end, our algorithm is developed under the conceptual framework of coupled dictionary learning. Specifically, given pairs of blurred image patches and their corresponding clear ones, a learning model is constructed to learn a pair of dictionaries. Among them, one dictionary is responsible for the representation of clear images, while the other is responsible for that of the blurred images. Theoretically, the learning model is analyzed with coupled sparse representations for training samples. As the atoms of these dictionaries are coupled together one-by-one, the reconstruction information can be transmitted between the clear and blurry images. In application phase, the blurry dictionary is employed to reconstruct linearly the blurry image to be restored. Then, the reconstruction coefficients are kept unchanged along with the clear dictionary to restore the final results. The main advantage of our approach lies in that it works in the case of unknown blur kernels. Comparative experiments indicate the validity of our approach.
关键词Image Deblurring Coupled Dictionary Learning Sparse Representation Multiple Kernel Deblurring
WOS标题词Science & Technology ; Technology
DOI10.1007/s11263-014-0755-z
关键词[WOS]SPARSE REPRESENTATION ; SINGLE IMAGE ; K-SVD ; SUPERRESOLUTION ; RESTORATION ; ALGORITHM ; APPROXIMATION ; DECONVOLUTION ; OPTIMIZATION ; REGRESSION
收录类别SCI
语种英语
WOS研究方向Computer Science
WOS类目Computer Science, Artificial Intelligence
WOS记录号WOS:000360071900009
引用统计
被引频次:11[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/173211/8962
专题模式识别国家重点实验室_先进数据分析与学习
作者单位1.Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100190, Peoples R China
2.Tsinghua Univ, Dept Automat, TNList, Beijing 100084, Peoples R China
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Xiang, Shiming,Meng, Gaofeng,Wang, Ying,et al. Image Deblurring with Coupled Dictionary Learning[J]. INTERNATIONAL JOURNAL OF COMPUTER VISION,2015,114(2-3):248-271.
APA Xiang, Shiming,Meng, Gaofeng,Wang, Ying,Pan, Chunhong,&Zhang, Changshui.(2015).Image Deblurring with Coupled Dictionary Learning.INTERNATIONAL JOURNAL OF COMPUTER VISION,114(2-3),248-271.
MLA Xiang, Shiming,et al."Image Deblurring with Coupled Dictionary Learning".INTERNATIONAL JOURNAL OF COMPUTER VISION 114.2-3(2015):248-271.
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