Preserving bilateral view structural information for subspace clustering

Chong Peng, Jing Zhang, Yongyong Chen, Xin Xing, Chenglizhao Chen, Zhao Kang, Li Guo, Qiang Cheng

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


Subspace clustering algorithms have been found successful in various applications that involve two-dimensional data, i.e., each example of the data is a matrix. However, most of the existing methods transform the matrix-type examples to vectors in a pre-processing step, which omits and severely damages the inherent structural information of such data. In this paper, we propose a novel subspace clustering method for two-dimensional data, which is capable of extracting the most representative structural information from the data to recover the underlying grouping relationships of the data. The structural features are extracted from two views of the data and the numbers of feature spaces in both views are automatically determined by optimization. Extensive experiments confirm the effectiveness of the proposed method.

Original languageEnglish
Article number109915
JournalKnowledge-Based Systems
StatePublished - Dec 22 2022

Bibliographical note

Publisher Copyright:
© 2022 Elsevier B.V.


  • Ridge regression
  • Structural information
  • Subspace clustering
  • Two-dimensional data

ASJC Scopus subject areas

  • Software
  • Management Information Systems
  • Information Systems and Management
  • Artificial Intelligence


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