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Fisher discrimination dictionary pair learning for image classification
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DOI：10.1016/j.neucom.2016.08.146.png)
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摘要
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Dictionary learning has played an important role in the success of sparse representation. Although several dictionary learning approaches have been developed for image classification, discriminative dictionary pair learning, i.e., jointly learning a synthesis dictionary and an analysis dictionary, is still in its infant stage. In this paper, we proposed a novel model of Fisher discrimination dictionary pair learning (FDDPL), in which Fisher discrimination information is embedded into analysis representation, analysis dictionary, and synthesis dictionary representation. With the proposed Fisher-like discrimination term, discrimination of both synthesis dictionary representation and analysis dictionary representation is introduced into the dictionary pair learning model. An iterative algorithm to efficiently solve the proposed FDDPL and a FDDPL based classifier are also presented in this paper. The experiments on face recognition, scene categorization, gender classification, and action recognition clearly show the advantage of the proposed FDDPL. (C) 2017 Elsevier B.V. All rights reserved.
Keyword:
Dictionary pair learning
Fisher discrimination
Image classification
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IF:
6.5
论文数:
2.5W
被引数:
6.5W
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