中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Hierarchical learning of large-margin metrics for large-scale image classification

文献类型:期刊论文

作者Lei, Hao1,2; Mei, Kuizhi2; Xin, Jingmin2; Dong, Peixiang2; Fan, Jianping3
刊名neurocomputing
出版日期2016-10-05
卷号208页码:46-58
关键词Visual tree Hierarchical learning Large-margin metric learning Dimensionality reduction Large-scale image classification
ISSN号0925-2312
产权排序1
通讯作者mei, kuizhi (meikuizhi@mail.xjtu.edu.cn)
英文摘要

large-scale image classification is a challenging task and has recently attracted active research interests. in this paper, a new algorithm is developed to achieve more effective implementation of large-scale image classification by hierarchical learning of large-margin metrics (hlmms). a hierarchical visual tree is seamlessly integrated with metric learning to learn a set of node-specific/category-specific large margin metrics. first, a hierarchical visual tree is learned to characterize the inter-category visual correlations effectively and organize large numbers of image categories in a coarse-to-fine fashion. second, a new algorithm is developed to support hierarchical learning of large-margin metrics by training nearest class mean (ncm) classifiers over our hierarchical visual tree. in addition, we also consider dimensionality reduction as a regularizer for high-dimensional data in our large-margin metric learning. two top down approaches are developed for supporting hierarchical learning of large-margin metrics. we focus on learning more discriminative metrics for ncm node classifiers to identify the visually similar sub nodes (visually similar image categories) under the same parent node over our hierarchical visual tree. a mini-batch stochastic gradient descend method is used to optimize our hlmms learning algorithm. the experimental results on imagenet large scale visual recognition challenge 2010 dataset (ilsvrc2010) have demonstrated that our hlmms learning algorithm is very promising for supporting large-scale image classification. (c) 2016 elsevier b.v. all rights reserved.

WOS标题词science & technology ; technology
类目[WOS]computer science, artificial intelligence
研究领域[WOS]computer science
关键词[WOS]nearest-neighbor classification ; recognition
收录类别SCI ; EI
语种英语
WOS记录号WOS:000382794300005
源URL[http://ir.opt.ac.cn/handle/181661/28193]  
专题西安光学精密机械研究所_空间光学应用研究室
作者单位1.Chinese Acad Sci, Xian Inst Opt & Precis Mech, Xian 710119, Peoples R China
2.Xi An Jiao Tong Univ, Inst Artificial Intelligence & Robot, Xian 710049, Peoples R China
3.Northwest Univ, Sch Informat Sci & Technol, Xian 710069, Peoples R China
推荐引用方式
GB/T 7714
Lei, Hao,Mei, Kuizhi,Xin, Jingmin,et al. Hierarchical learning of large-margin metrics for large-scale image classification[J]. neurocomputing,2016,208:46-58.
APA Lei, Hao,Mei, Kuizhi,Xin, Jingmin,Dong, Peixiang,&Fan, Jianping.(2016).Hierarchical learning of large-margin metrics for large-scale image classification.neurocomputing,208,46-58.
MLA Lei, Hao,et al."Hierarchical learning of large-margin metrics for large-scale image classification".neurocomputing 208(2016):46-58.

入库方式: OAI收割

来源:西安光学精密机械研究所

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