An interpretive constrained linear model for ResNet and MgNet.

Juncai He, Jinchao Xu, Lian Zhang, Jianqing Zhu

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


We propose a constrained linear data-feature-mapping model as an interpretable mathematical model for image classification using a convolutional neural network (CNN). From this viewpoint, we establish detailed connections between the traditional iterative schemes for linear systems and the architectures of the basic blocks of ResNet- and MgNet-type models. Using these connections, we present some modified ResNet models that, compared with the original models, have fewer parameters but can produce more accurate results, thereby demonstrating the validity of this constrained learning data-feature-mapping assumption. Based on this assumption, we further propose a general data-feature iterative scheme to demonstrate the rationality of MgNet. We also provide a systematic numerical study on MgNet to show its success and advantages in image classification problems, particularly in comparison with established networks.
Original languageEnglish (US)
Pages (from-to)384-392
Number of pages9
JournalNeural networks : the official journal of the International Neural Network Society
StatePublished - Mar 20 2023

ASJC Scopus subject areas

  • Artificial Intelligence
  • Cognitive Neuroscience


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