当前位置:网站首页>德国弗莱堡大学、希尔德斯海姆大学等联合 | Zero-Shot AutoML with Pretrained Models(基于预训练模型的零样本AutoML)
德国弗莱堡大学、希尔德斯海姆大学等联合 | Zero-Shot AutoML with Pretrained Models(基于预训练模型的零样本AutoML)
2022-06-23 21:36:00 【智源社区】
作者:Ekrem Ozturk,Fabio Ferreira,Hadi S. Jomaa 等
简介:给定一个新的数据集 D 和一个低计算预算,我们应该如何选择一个预训练模型来微调到 D,并设置微调超参数而不会有过度拟合的风险,特别是在 D 很小的情况下?在这里,作者扩展了自动化机器学习 (AutoML) 以最好地做出这些选择。作者的领域无关元学习方法学习了一个零样本代理模型,该模型在测试时允许为新数据集 D 选择正确的深度学习 (DL) 管道(包括预训练模型和微调超参数)仅给出描述 D 的琐碎元特征,例如图像分辨率或类数。为了训练这个零样本模型,作者在大量数据集上收集许多 DL 管道的性能数据,并对这些数据进行元训练,以最小化成对排序目标。为推进ChaLearn AutoDL挑战基准 ,作者在严格时间限制下评估了作者的方法,明显优于所有挑战竞争者。
论文下载:https://arxiv.org/pdf/2206.08476.pdf
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