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Joint Alignment and Clustering via Low-Rank Representation
Qi Li; Zhenan Sun; Ran He(赫然); Tieniu Tan; Li, Qi
2013-11
Conference NameIAPR Asian Conference on Pattern Recognition
Source PublicationAsian Conference on Pattern Recognition
Conference Date2013年11月5-8日
Conference PlaceNaha, Japan
Abstract
Both image alignment and image clustering are widely researched with numerous applications in recent years. These two problems are traditionally studied separately. However in many real world applications, both alignment and clustering results are needed. Recent study has shown that alignment and clustering are two highly coupled problems. Thus we try to solve the two problems in a unified framework. In this paper, we propose a novel joint alignment and clustering algorithm by integrating spatial transformation parameters and clustering parameters into a unified objective function. The proposed function seeks the lowest rank representation among all the candidates that can represent misaligned images. It is indeed a transformed Low-Rank Representation. As far as we know, this is the first time to cluster the misaligned images using the transformed Low-Rank Representation. We can solve the proposed function by linearizing the objective function, and then iteratively solving a sequence of linear problems via the Augmented Lagrange Multipliers method. Experimental results on various data sets validate the effectiveness of our method.
KeywordJoint Alignment And Clustering Low-rank Representation Augmented Lagrange Multiplier Method
Document Type会议论文
Identifierhttp://ir.ia.ac.cn/handle/173211/11678
Collection智能感知与计算研究中心
Corresponding AuthorLi, Qi
AffiliationCenter for Research on Intelligent Perception and Computing, National Laboratory of Pattern Recognition, Institute of Automation, Chinese Academy of Sciences, Beijing, China
Recommended Citation
GB/T 7714
Qi Li,Zhenan Sun,Ran He,et al. Joint Alignment and Clustering via Low-Rank Representation[C],2013.
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