Complementary Domain Adaptation and Generalization for Unsupervised Continual Domain Shift Learning

• URL: http://arxiv.org/abs/2303.15833v2
• Date: Fri, 13 Oct 2023 12:49:35 GMT
• Title: Complementary Domain Adaptation and Generalization for Unsupervised Continual Domain Shift Learning
• Authors: Wonguk Cho, Jinha Park, Taesup Kim
• Abstract summary: Unsupervised continual domain shift learning is a significant challenge in real-world applications. We propose Complementary Domain Adaptation and Generalization (CoDAG), a simple yet effective learning framework. Our approach is model-agnostic, meaning that it is compatible with any existing domain adaptation and generalization algorithms.
• Score: 4.921899151930171
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Continual domain shift poses a significant challenge in real-world applications, particularly in situations where labeled data is not available for new domains. The challenge of acquiring knowledge in this problem setting is referred to as unsupervised continual domain shift learning. Existing methods for domain adaptation and generalization have limitations in addressing this issue, as they focus either on adapting to a specific domain or generalizing to unseen domains, but not both. In this paper, we propose Complementary Domain Adaptation and Generalization (CoDAG), a simple yet effective learning framework that combines domain adaptation and generalization in a complementary manner to achieve three major goals of unsupervised continual domain shift learning: adapting to a current domain, generalizing to unseen domains, and preventing forgetting of previously seen domains. Our approach is model-agnostic, meaning that it is compatible with any existing domain adaptation and generalization algorithms. We evaluate CoDAG on several benchmark datasets and demonstrate that our model outperforms state-of-the-art models in all datasets and evaluation metrics, highlighting its effectiveness and robustness in handling unsupervised continual domain shift learning.

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