Abstract
Few-shot fine-grained classification aims to recognize novel fine-grained categories with the help of a few examples. Under the impact of the low inter-class and high intra-class differences properties of fine-grained datasets, the prototype-based approach, which originally performed well in general FS classification, could not achieve the expected results. In this paper, we propose a transductive method consisting of a feature mapping module and a prototype rectification module. Specifically, the feature mapping module removes redundant attributes from the feature space to enhance the inter-class difference. The prototype rectification module assigns a pseudo-label for each query sample according to the membership-grade between the query samples and the prototypes and uses them to update the prototypes. Experiments on multiple popular fine-grained benchmark datasets and few-shot general classification datasets demonstrate the effectiveness of our approach.
S. Ning and R. Qi—Contributed equally to this work.
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Acknowledgment
This study is supported by the Sichuan Science and Technology Program (NO. 2021YFG0031).
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Ning, S., Qi, R., Jiang, Y. (2023). Membership-Grade Based Prototype Rectification for Fine-Grained Few-Shot Classification. In: Iliadis, L., Papaleonidas, A., Angelov, P., Jayne, C. (eds) Artificial Neural Networks and Machine Learning – ICANN 2023. ICANN 2023. Lecture Notes in Computer Science, vol 14262. Springer, Cham. https://doi.org/10.1007/978-3-031-44201-8_2
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