Papers › What Matters For Meta-Learning Vision Regression Tasks?

What Matters For Meta-Learning Vision Regression Tasks?

9 Mar 2022CVPR 2022 1arXiv:2203.04905archive 2025-07-28

Ning Gao, Hanna Ziesche, Ngo Anh Vien, Michael Volpp, Gerhard Neumann

Meta-learning is widely used in few-shot classification and function regression due to its ability to quickly adapt to unseen tasks. However, it has not yet been well explored on regression tasks with high dimensional inputs such as images. This paper makes two main contributions that help understand this barely explored area. \emph{First}, we design two new types of cross-category level vision regression tasks, namely object discovery and pose estimation of unprecedented complexity in the meta-learning domain for computer vision. To this end, we (i) exhaustively evaluate common meta-learning techniques on these tasks, and (ii) quantitatively analyze the effect of various deep learning techniques commonly used in recent meta-learning algorithms in order to strengthen the generalization capability: data augmentation, domain randomization, task augmentation and meta-regularization. Finally, we (iii) provide some insights and practical recommendations for training meta-learning algorithms on vision regression tasks. \emph{Second}, we propose the addition of functional contrastive learning (FCL) over the task representations in Conditional Neural Processes (CNPs) and train in an end-to-end fashion. The experimental results show that the results of prior work are misleading as a consequence of a poor choice of the loss function as well as too small meta-training sets. Specifically, we find that CNPs outperform MAML on most tasks without fine-tuning. Furthermore, we observe that naive task augmentation without a tailored design results in underfitting.

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boschresearch/what-matters-for-meta-learning officialmentioned in papermentioned on GitHubpytorchAGPL-3.0 report
azizanlab/unlimitd mentioned on GitHubjax report

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Tasks

Contrastive LearningData AugmentationMeta-LearningObject DiscoveryPose Estimationregression

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Methods

Contrastive LearningMAML

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