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Structured analysis dictionary learning based on discriminative Fisher pair
Li,Zhengming1; Zhang,Zheng2,5; Wang,Shuihua3; Ma,Ruijun1; Lei,Fangyuan4; Xiang,Dan1
2021-04-19
Source PublicationJournal of Ambient Intelligence and Humanized Computing
ISSN1868-5137
Volume14Pages:5647-5664
Abstract

In analysis dictionary learning (ADL) algorithms, the row vectors (profiles) of the analysis coefficient matrix and analysis atoms are always one-to-one correspondence, and the analysis information of atoms could be represented by their corresponding profiles. However, the analysis atoms and their corresponding profiles are seldom jointly explored to formulate a discrimination term. In this paper, we exploit the analysis atoms and profiles to design a structured discriminative ADL algorithm for image classification, called structured analysis dictionary learning based on discriminative Fisher pair (SADL-DFP). Specifically, we explicitly provide the definitions of the profile and the newly defined profile block, which are used to illustrate the analysis mechanism of the ADL model. Then, the discriminative Fisher pair (DFP) model is designed by using the Fisher criterion of analysis atoms and profiles, which can enhance the inter-class separability and intra-class compactness of the analysis atoms and profiles. Since the profiles and analysis atoms can be updated alternatively and interactively, our DFP model can further encourage the analysis atoms to analyze the same-class training samples as much as possible. In addition, a robust multiclass classifier is simultaneously learned by utilizing the label information of the training samples and analysis atoms in our SADL-DFP algorithm. The experimental results show that the proposed SADL-DFP algorithm can outperform many state-of-the-art dictionary learning algorithms on multiple datasets with both deep learning-based features and hand-crafted features.

KeywordAnalysis Dictionary Learning Discriminative Fisher Criterion Image Classification Synthesis Dictionary Learning
DOI10.1007/s12652-021-03262-1
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaComputer Science ; Telecommunications
WOS SubjectComputer Science, Artificial Intelligence ; Computer Science, Information Systems ; Telecommunications
WOS IDWOS:000641195700001
PublisherSPRINGER HEIDELBERG, TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY
Scopus ID2-s2.0-85160523461
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Citation statistics
Document TypeJournal article
CollectionDEPARTMENT OF COMPUTER AND INFORMATION SCIENCE
Corresponding AuthorZhang,Zheng; Wang,Shuihua
Affiliation1.Industrial Training Center,Guangdong Polytechnic Normal University,Guangzhou,510665,China
2.School of Computer Science and Technology,Harbin Institute of Technology,Shenzhen,518055,China
3.Department of Mathematics,University of Leicester,Lecicester,LE1 7RH,United Kingdom
4.Guangdong Provincial Key Laboratory of Intellectual Property and Big Data,Guangzhou,China
5.Department of Computer and Information Science,University of Macau,999078,Macao
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Li,Zhengming,Zhang,Zheng,Wang,Shuihua,et al. Structured analysis dictionary learning based on discriminative Fisher pair[J]. Journal of Ambient Intelligence and Humanized Computing, 2021, 14, 5647-5664.
APA Li,Zhengming., Zhang,Zheng., Wang,Shuihua., Ma,Ruijun., Lei,Fangyuan., & Xiang,Dan (2021). Structured analysis dictionary learning based on discriminative Fisher pair. Journal of Ambient Intelligence and Humanized Computing, 14, 5647-5664.
MLA Li,Zhengming,et al."Structured analysis dictionary learning based on discriminative Fisher pair".Journal of Ambient Intelligence and Humanized Computing 14(2021):5647-5664.
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