Unsupervised DA 86 Applications 43 Related Topics 29 Other Transfer Learning Paradigms 15 Survey 10 Theory 6 Multi Source DA 5 Multi Step DA 3 Partial DA 3 Open Set DA 2 Weakly-Supervised DA 2 Benchmarks 2 Target-agnostic DA 2 One-shot DA 2 Zero-shot DA 2 Multi Target DA 1 Heterogeneous DA 1 Model Selection 1 Federated DA 1

Other Methods 48 Adversarial Methods 48 Image-to-Image Translation 25 Semantic Segmentation 11 Others 10 Domain Generalization 10 Distance-based Methods 10 Person Re-identification 10 Object Detection 9 Disentangled Representation Learning 6 Medical Related 3 Video Domain Adaptation 3 Optimal Transport 3 Incremental Methods 2 Transfer Metric Learning 1 Domain Randomization 1