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作者:

Yan, Bai (Yan, Bai.) | Zhao, Qi (Zhao, Qi.) | Zhang, J. Andrew (Zhang, J. Andrew.) | Li, Yonghui (Li, Yonghui.) | Wang, Zhihai (Wang, Zhihai.)

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EI Scopus

摘要:

Multiobjective sparse reconstruction (MOSR) methods can potentially obtain superior reconstruction performance. However, they suffer from high computational cost, especially in high-dimensional reconstruction. Furthermore, they are generally implemented independently without reusing prior knowledge from past experiences, leading to unnecessary computational consumption due to the re-exploration of similar search spaces. To address these problems, we propose a sparse-constraint knowledge transfer operator to accelerate the convergence of MOSR solvers by reusing the knowledge from past problem-solving experiences. Firstly, we introduce the deep nonlinear feature coding method to extract the feature mapping between the search of the current problem and a previously solved MOSR problem. Through this mapping, we learn a set of knowledge-induced solutions which contain the search experience of the past problem. Thereafter, we develop and apply a sparse-constraint strategy to refine these learned solutions to guarantee their sparse characteristics. Finally, we inject the refined solutions into the iteration of the current problem to facilitate the convergence. To validate the efficiency of the proposed operator, comprehensive studies on extensive simulated signal reconstruction are conducted. © Springer Nature Switzerland AG 2019.

关键词:

Knowledge management Iterative methods Mapping Signal reconstruction Evolutionary algorithms Transfer learning

作者机构:

  • [ 1 ] [Yan, Bai]Institute of Laser Engineering, Beijing University of Technology, Beijing, China
  • [ 2 ] [Zhao, Qi]College of Economics and Management, Beijing University of Technology, Beijing, China
  • [ 3 ] [Zhang, J. Andrew]Global Big Data Technologies Centre, University of Technology Sydney, Sydney, Australia
  • [ 4 ] [Li, Yonghui]School of Electrical and Information Engineering, University of Sydney, Sydney, Australia
  • [ 5 ] [Wang, Zhihai]Key Laboratory of Optoelectronics Technology, Ministry of Education, Beijing University of Technology, Beijing, China

通讯作者信息:

  • [yan, bai]institute of laser engineering, beijing university of technology, beijing, china

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ISSN: 0302-9743

年份: 2019

卷: 11411 LNCS

页码: 475-487

语种: 英文

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