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Improved Efficient Dictionary Learning with Cross-Label and Group Regularization

  • Tian Zhou
  • Sujuan Yang
  • Jian Xiong
  • Jie YangEmail author
  • Guan Gui
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 517)

Abstract

Existing works have revealed that dictionary learning can effectively preserve the label property when applied to signal reconstruction and face recognition. As time goes, the methods based on dictionary learning become increasingly popular due to their superior accuracy and efficiency. Based on this, an improved dictionary learning model is proposed in this paper to find the balance between the time cost of operating the algorithms and the residuals generated when reconstructing signals with the learnt dictionary sparse codes. Demonstrated by the results of experiments, the proposed method intends to determine a more reasonable sparse dimension, which can not only obtain desired classification results but also decrease much of the redundancy in experimental computation.

Keywords

Cross-label suppression Computational complexity Dictionary learning Face recognition Compressive sensing 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • Tian Zhou
    • 1
  • Sujuan Yang
    • 1
  • Jian Xiong
    • 1
  • Jie Yang
    • 1
    Email author
  • Guan Gui
    • 1
  1. 1.College of Telecommunication and Information Engineering, Nanjing University of Posts and TelecommunicationsNanjingChina

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