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Online dictionary learning for local coordinate coding with locality coding adaptors
Junbiao Pang; Chunjie Zhang; Lei Qin; Weigang Zhang; Laiyun Qing; Qingming Huang; Baocai Yin
Source PublicationNeurocomputing
2015
Issue157Pages:61-69
AbstractDictionary inLocalCoordinateCoding(LCC)isimportanttoapproximateanon-linearfunctionwith
linear ones.Optimizingdictionaryfrompredefined codingschemesisachallengetask.Thispaper
focuses onlearningdictionaryfromtwoLocalityCodingAdaptors(LCAs),i.e.,localityGaussianAdaptor
(GA)andlocalityEuclideanAdaptor(EA),forlarge-scaleandhigh-dimensiondatasets.Onlinedictionary
learning isformulatedastwocyclingsteps,localcodinganddictionaryupdating.Bothstagesscaleup
gracefullytolarge-scaledatasetswithmillionsofdata.Theexperimentsondifferentapplications
demonstratethatourmethodleadstoafasterdictionarylearningthantheclassicalonesorthestate-of-
the-art methods.
KeywordLocal Coordinate Coding Surrogate Function Locality Coding Adaptor Large Scale Problem Online Training
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/15392
Collection类脑智能研究中心
Recommended Citation
GB/T 7714
Junbiao Pang,Chunjie Zhang,Lei Qin,et al. Online dictionary learning for local coordinate coding with locality coding adaptors[J]. Neurocomputing,2015(157):61-69.
APA Junbiao Pang.,Chunjie Zhang.,Lei Qin.,Weigang Zhang.,Laiyun Qing.,...&Baocai Yin.(2015).Online dictionary learning for local coordinate coding with locality coding adaptors.Neurocomputing(157),61-69.
MLA Junbiao Pang,et al."Online dictionary learning for local coordinate coding with locality coding adaptors".Neurocomputing .157(2015):61-69.
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