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Unraveling Meta-Learning: Understanding Feature Representations for Few-Shot Tasks

机译:解开元学习:了解几次拍摄任务的特征表示

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Meta-learning algorithms produce feature extractors which achieve state-of-the-art performance on few-shot classification. While the literature is rich with meta-learning methods, little is known about why the resulting feature extractors perform so well. We develop a better understanding of the underlying mechanics of meta-learning and the difference between models trained using meta-learning and models which are trained classically. In doing so, we introduce and verify several hypotheses for why meta-learned models perform better. Furthermore, we develop a regularizer which boosts the performance of standard training routines for few-shot classification. In many cases, our routine outperforms meta-learning while simultaneously running an order of magnitude faster.
机译:元学习算法产生了在几次分类上实现最先进性能的特征提取器。 虽然文献具有富裕学习方法,但对于为什么所产生的特征提取器表现得很好,众所周知。 我们更好地了解元学习的基础力学,以及使用经典培训的元学习和模型培训的模型之间的差异。 在这样做时,我们介绍并验证Meta学习模型更好地执行的原因的几个假设。 此外,我们开发了一个符合程序,可以提高标准培训例程的性能,以实现几次分类。 在许多情况下,我们的例程优于元学习,同时运行更快的数量级。

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