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• W3007550519 abstract "Few-shot learning is a fundamental and challenging problem since it requires recognizing novel categories from only a few examples. The objects for recognition have multiple variants and can locate anywhere in images. Directly comparing query images with example images can not handle content misalignment. The representation and metric for comparison are critical but challenging to learn due to the scarcity and wide variation of the samples in few-shot learning. In this paper, we present a novel semantic alignment model to compare relations, which is robust to content misalignment. We propose to add two key ingredients to existing few-shot learning frameworks for better feature and metric learning ability. First, we introduce a semantic alignment loss to align the relation statistics of the features from samples that belong to the same category. And second, local and global mutual information maximization is introduced, allowing for representations that contain locally-consistent and intra-class shared information across structural locations in an image. Thirdly, we introduce a principled approach to weigh multiple loss functions by considering the homoscedastic uncertainty of each stream. We conduct extensive experiments on several few-shot learning datasets. Experimental results show that the proposed method is capable of comparing relations with semantic alignment strategies, and achieves state-of-the-art performance." @default.
• W3007550519 created "2020-03-06" @default.
• W3007550519 creator A5013382259 @default.
• W3007550519 creator A5028235866 @default.
• W3007550519 date "2020-02-29" @default.
• W3007550519 modified "2023-10-12" @default.
• W3007550519 title "Learning to Compare Relation: Semantic Alignment for Few-Shot Learning" @default.
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• W3007550519 doi "https://doi.org/10.48550/arxiv.2003.00210" @default.
• W3007550519 hasPublicationYear "2020" @default.
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