StyleAdv: Meta Style Adversarial Training for Cross-Domain Few-Shot Learning
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Abstract (arXiv)
Cross-Domain Few-Shot Learning (CD-FSL) is a recently emerging task that tackles few-shot learning across different domains. It aims at transferring prior knowledge learned on the source dataset to novel target datasets. The CD-FSL task is especially challenged by the huge domain gap between different datasets. Critically, such a domain gap actually comes from the changes of visual styles, and wave-SAN empirically shows that spanning the style distribution of the source data helps alleviate this issue. However, wave-SAN simply swaps styles of two images. Such a vanilla operation makes the generated styles ``real'' and ``easy'', which still fall into the original set of the source styles. Thus, inspired by vanilla adversarial learning, a novel model-agnostic meta Style Adversarial training (StyleAdv) method together with a novel style adversarial attack method is proposed for CD-FSL. Particularly, our style attack method synthesizes both ``virtual'' and ``hard'' adversarial styles for model training. This is achieved by perturbing the original style with the signed style gradients. By continually attacking styles and forcing the model to recognize these challenging adversarial styles, our model is gradually robust to the visual styles, thus boosting the generalization ability for novel target datasets. Besides the typical CNN-based backbone, we also employ our StyleAdv method on large-scale pretrained vision transformer. Extensive experiments conducted on eight various target datasets show the effectiveness of our method. Whether built upon ResNet or ViT, we achieve the new state of the art for CD-FSL. Code is available at https://github.com/lovelyqian/StyleAdv-CDFSL.
Key facts. Cited by 53 papers in the map (data through 7 Oct 2026). Builds on 57 of its 76 references that are in the map. First posted on arXiv 18 Feb 2023.
Builds on
57 of 76 references.
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- 2018Meta-Transfer Learning for Few-Shot Learningcited by 306
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- 2016Using Deep Learning for Image-Based Plant Disease Detectioncited by 216
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- 2020Explanation-Guided Training for Cross-Domain Few-Shot Classificationcited by 58
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- 2021Dynamic Distillation Network for Cross-Domain Few-Shot Recognition with Unlabeled Datacited by 49
- 2021Meta-FDMixup: Cross-Domain Few-Shot Learning Guided by Labeled Target Datacited by 48
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- 2021On Fast Adversarial Robustness Adaptation in Model-Agnostic Meta-Learningcited by 29
- 2021Ranking Distance Calibration for Cross-Domain Few-Shot Learningcited by 27
- 2022MaxStyle: Adversarial Style Composition for Robust Medical Image Segmentationcited by 27
- 2022Wave-SAN: Wavelet based Style Augmentation Network for Cross-Domain Few-Shot Learningcited by 23
- 2020Feature Transformation Ensemble Model with Batch Spectral Regularization for Cross-Domain Few-Shot Classificationcited by 20
50 most cited of 57 All 57 (JSON)
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Citing papers per year: 2023: 4; 2024: 13; 2025: 21; 2026: 15.
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- 2026GiPL: Generative augmented iterative Pseudo-Labeling for Cross-Domain Few-Shot Object Detection28 May 2026
- 2026Interpretable Cross-Domain Few-Shot Learning with Rectified Target-Domain Local Alignment18 Mar 2026
- 2026Mind the Discriminability Trap in Source-Free Cross-domain Few-shot Learning7 Mar 2026
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- 2026Training-Free Spectral Transductive Refinement for Cross-Domain Few-Shot Classification20 Sep 2026
- 2026When Semantics Saturate or Emerge: Adaptation-Conditional Semantic Utility in Source-Free Cross-Domain Few-Shot Learning7 Aug 2026
- 2026Prompt-Driven Simulation with Feature Perturbation for Cross-Domain Few-Shot Object Detection2 Aug 2026
- 2026Reclaiming Lost Text Layers for Source-Free Cross-Domain Few-Shot Learning5 Mar 2026
- 2026SRasP: Self-Reorientation Adversarial Style Perturbation for Cross-Domain Few-Shot Learning5 Mar 2026
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- 2026IPEC: Test-Time Incremental Prototype Enhancement Classifier for Few-Shot Learning16 Jan 2026
- 2025FreqGRL: Suppressing Low-Frequency Bias and Mining High-Frequency Knowledge for Cross-Domain Few-Shot Learning10 Nov 2025
12 newest of 42 All 42 (JSON)