Unsupervised Domain Adaptation Via Data Pruning

• URL: http://arxiv.org/abs/2409.12076v1
• Date: Wed, 18 Sep 2024 15:48:59 GMT
• Title: Unsupervised Domain Adaptation Via Data Pruning
• Authors: Andrea Napoli, Paul White,
• Abstract summary: We consider the problem from the perspective of unsupervised domain adaptation (UDA) We propose AdaPrune, a method for UDA whereby training examples are removed to attempt to align the training distribution to that of the target data. As a method for UDA, we show that AdaPrune outperforms related techniques, and is complementary to other UDA algorithms such as CORAL.
• Score: 0.0
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: The removal of carefully-selected examples from training data has recently emerged as an effective way of improving the robustness of machine learning models. However, the best way to select these examples remains an open question. In this paper, we consider the problem from the perspective of unsupervised domain adaptation (UDA). We propose AdaPrune, a method for UDA whereby training examples are removed to attempt to align the training distribution to that of the target data. By adopting the maximum mean discrepancy (MMD) as the criterion for alignment, the problem can be neatly formulated and solved as an integer quadratic program. We evaluate our approach on a real-world domain shift task of bioacoustic event detection. As a method for UDA, we show that AdaPrune outperforms related techniques, and is complementary to other UDA algorithms such as CORAL. Our analysis of the relationship between the MMD and model accuracy, along with t-SNE plots, validate the proposed method as a principled and well-founded way of performing data pruning.

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