Abstract
Meta-learning has been widely used in medical image analysis. However, it requires a large amount of storage space and computing resources to train and use neural networks, especially model-agnostic meta-learning (MAML) models, making networks difficult to deploy on embedded systems and low-power devices for smart healthcare. Aiming at this problem, we explore to compress a MAML model with pruning methods for disease diagnosis. First, for each task, we find unimportant and redundant connections in MAML for its classification, respectively. Next, we find common unimportant connections for most tasks with intersections. Finally, we prune the common unimportant connections of the initial network. We conduct some experiments to assess the proposed model by comparison with MAML on Omniglot dataset and MiniImagenet dataset. The results show that our method reduces 40% parameters of the raw models, without incurring accuracy loss, demonstrating the potential of the proposed method for disease diagnosis.
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