Jointly Learning the Discriminative Dictionary and Projection for Face Recognition

Bi Chao; Yi Yugen; Zhang LeiZheng CaixiaShi YanjiaoXie XiaochunWang JianzhongWu Yan

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Jointly Learning the Discriminative Dictionary and Projection for Face Recognition

机译：Jointly Learning the Discriminative Dictionary and Projection for Face Recognition

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Recently, dictionary learning has become an active topic. However, the majority of dictionary learning methods directly employs original or predefined handcrafted features to describe the data, which ignores the intrinsic relationship between the dictionary and features. In this study, we present a method called jointly learning the discriminative dictionary and projection (JLDDP) that can simultaneously learn the discriminative dictionary and projection for both image-based and video-based face recognition. The dictionary can realize a tight correspondence between atoms and class labels. Simultaneously, the projection matrix can extract discriminative information from the original samples. Through adopting the Fisher discrimination criterion, the proposed framework enables a better fit between the learned dictionary and projection. With the representation error and coding coefficients, the classification scheme further improves the discriminative ability of our method. An iterative optimization algorithm is proposed, and the convergence is proved mathematically. Extensive experimental results on seven image-based and video-based face databases demonstrate the validity of JLDDP.

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《Mathematical Problems in Engineering: Theory, Methods and Applications》 |2020年第30期|1527965.1-1527965.17|共17页
作者
Bi Chao; Yi Yugen; Zhang LeiZheng CaixiaShi YanjiaoXie XiaochunWang JianzhongWu Yan;
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Northeast Normal Univ, Sch Psychol, Changchun 130024, Peoples R China|Northeast Normal Univ, Jilin Prov Expt Teaching Demonstrat Ctr Psychol, Changchun 130024, Peoples R China;

Jiangxi Normal Univ, Sch Software, Nanchang 330022, Jiangxi, Peoples R China;

Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Changchun 130024, Peoples R ChinaNortheast Normal Univ, Sch Informat Sci & Technol, Changchun 130117, Peoples R ChinaShanghai Inst Technol, Sch Comp Sci & Informat Engn, Shanghai 200235, Peoples R China;

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Jointly Learning the Discriminative Dictionary and Projection for Face Recognition

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