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任务相关的图像小样本深度学习分类方法研究

Task-Relevant Few-Shot Image Classification

  • 摘要: 传统基于度量学习的图像小样本分类方法与任务无关, 这导致模型对新查询任务的泛化能力较差。针对该问题, 该研究提出一种任务相关的图像小样本深度学习方法——可以根据查询任务自适应地调整支持集样本特征, 从而有效形成任务相关的度量分类器。同时, 该研究通过引入多种正则化方法, 解决了数据量严重不足所带来的过拟合问题。基于 miniImageNet 和 tieredImageNet 两个常用标准数据集, 在特征提取网络相同的前提下, 所提出方法在 miniImageNe 中 1-shot 上获得了 66.05% 的准确率, 较目前最好的模型提高了 4.29%。

     

    Abstract: The traditional metric learning based few-shot image classification methods are task independent, which leads to poor generalization performance of the model on new query tasks. To solve this problem, a taskrelevant image few-shot learning method was proposed in this paper, which can adaptively adjust the feature of support samples according to the query task. Moreover, a variety of regularization methods to address the overfitting problem under severely-limited data scenarios were also investigated. We conduct comprehensive experiments on two popular benchmarks, i.e., miniImageNet and tieredImageNet. The result of 1-shot task on the miniImageNet by the proposed method was 66.05%, and it outperforms the SOTA (state of the art) approaches by 4.29% under the same backbones.

     

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