Chun Yang, Chang Liu, Xu-Cheng Yin. Weakly Correlated Knowledge Integration for Few-shot Image Classification[J]. Machine Intelligence Research, 2022, 19(1): 24-37. DOI: 10.1007/s11633-022-1320-9
Citation: Chun Yang, Chang Liu, Xu-Cheng Yin. Weakly Correlated Knowledge Integration for Few-shot Image Classification[J]. Machine Intelligence Research, 2022, 19(1): 24-37. DOI: 10.1007/s11633-022-1320-9

Weakly Correlated Knowledge Integration for Few-shot Image Classification

  • Various few-shot image classification methods indicate that transferring knowledge from other sources can improve the accuracy of the classification. However, most of these methods work with one single source or use only closely correlated knowledge sources. In this paper, we propose a novel weakly correlated knowledge integration (WCKI) framework to address these issues. More specifically, we propose a unified knowledge graph (UKG) to integrate knowledge transferred from different sources (i.e., visual domain and textual domain). Moreover, a graph attention module is proposed to sample the subgraph from the UKG with low complexity. To avoid explicitly aligning the visual features to the potentially biased and weakly correlated knowledge space, we sample a task-specific subgraph from UKG and append it as latent variables. Our framework demonstrates significant improvements on multiple few-shot image classification datasets.
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